From 587d145200f26758940099fbbc301fdd43d3f391 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 25 Oct 2010 19:44:21 -0700 Subject: [PATCH 001/138] HID: Remove KERN_DEBUG from dbg_hid use Signed-off-by: Joe Perches Signed-off-by: Jiri Kosina --- drivers/hid/hid-input.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 834ef47b76d6..76e1f64e9765 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -136,7 +136,8 @@ static int hidinput_setkeycode(struct input_dev *dev, clear_bit(old_keycode, dev->keybit); set_bit(usage->code, dev->keybit); - dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode); + dbg_hid("Assigned keycode %d to HID usage code %x\n", + keycode, scancode); /* Set the keybit for the old keycode if the old keycode is used * by another key */ if (hidinput_find_key (hid, 0, old_keycode)) From 5a39ce5b491a10f4a15bd30b26e55d3533b5f587 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Wed, 13 Oct 2010 15:58:17 +0200 Subject: [PATCH 002/138] HID: egalax: Use kzalloc To avoid unnecessary explicit initialization, allocate zeroed memory. Signed-off-by: Henrik Rydberg Acked-by: Chase Douglas Signed-off-by: Jiri Kosina --- drivers/hid/hid-egalax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c index 54b017ad258d..5a1b52e0eb85 100644 --- a/drivers/hid/hid-egalax.c +++ b/drivers/hid/hid-egalax.c @@ -221,7 +221,7 @@ static int egalax_probe(struct hid_device *hdev, const struct hid_device_id *id) struct egalax_data *td; struct hid_report *report; - td = kmalloc(sizeof(struct egalax_data), GFP_KERNEL); + td = kzalloc(sizeof(struct egalax_data), GFP_KERNEL); if (!td) { dev_err(&hdev->dev, "cannot allocate eGalax data\n"); return -ENOMEM; From a48a982a6bd3896274dd643397c72da9258411e2 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 2 Nov 2010 23:36:02 +0100 Subject: [PATCH 003/138] fs/ocfs2/dlm: Use GFP_ATOMIC under spin_lock coccinelle check scripts/coccinelle/locks/call_kern.cocci found that in fs/ocfs2/dlm/dlmdomain.c an allocation with GFP_KERNEL is done with locks held: dlm_query_region_handler spin_lock(dlm_domain_lock) dlm_match_regions kmalloc(GFP_KERNEL) Change it to GFP_ATOMIC. Signed-off-by: David Sterba CC: Joel Becker CC: Mark Fasheh CC: ocfs2-devel@oss.oracle.com -- Exists in v2.6.37-rc1 and current linux-next. Signed-off-by: Joel Becker --- fs/ocfs2/dlm/dlmdomain.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 58a93b953735..cc2aaa96cfe5 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -959,7 +959,7 @@ static int dlm_match_regions(struct dlm_ctxt *dlm, r += O2HB_MAX_REGION_NAME_LEN; } - local = kmalloc(sizeof(qr->qr_regions), GFP_KERNEL); + local = kmalloc(sizeof(qr->qr_regions), GFP_ATOMIC); if (!local) { status = -ENOMEM; goto bail; From 1cf257f511918ba5b2eabd64d9acd40f1d7866ef Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Sat, 6 Nov 2010 10:06:52 +0100 Subject: [PATCH 004/138] ocfs2: fix memory leak Stanse found that o2hb_heartbeat_group_make_item leaks some memory on fail paths. Fix the paths by adding a new label and jump there. Signed-off-by: Jiri Slaby Cc: Mark Fasheh Cc: Joel Becker Cc: ocfs2-devel@oss.oracle.com Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Joel Becker --- fs/ocfs2/cluster/heartbeat.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 52c7557f3e25..9f26ac9be2a4 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1964,8 +1964,10 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g if (reg == NULL) return ERR_PTR(-ENOMEM); - if (strlen(name) > O2HB_MAX_REGION_NAME_LEN) - return ERR_PTR(-ENAMETOOLONG); + if (strlen(name) > O2HB_MAX_REGION_NAME_LEN) { + ret = -ENAMETOOLONG; + goto free; + } spin_lock(&o2hb_live_lock); reg->hr_region_num = 0; @@ -1974,7 +1976,8 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g O2NM_MAX_REGIONS); if (reg->hr_region_num >= O2NM_MAX_REGIONS) { spin_unlock(&o2hb_live_lock); - return ERR_PTR(-EFBIG); + ret = -EFBIG; + goto free; } set_bit(reg->hr_region_num, o2hb_region_bitmap); } @@ -1986,10 +1989,13 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g ret = o2hb_debug_region_init(reg, o2hb_debug_dir); if (ret) { config_item_put(®->hr_item); - return ERR_PTR(ret); + goto free; } return ®->hr_item; +free: + kfree(reg); + return ERR_PTR(ret); } static void o2hb_heartbeat_group_drop_item(struct config_group *group, From 1989a80a60d2f620bad99196d6c1801c2afd7c71 Mon Sep 17 00:00:00 2001 From: Tristan Ye Date: Mon, 15 Nov 2010 21:39:09 +0800 Subject: [PATCH 005/138] Ocfs2: Stop tracking a negative dentry after dentry_iput(). I suddenly hit the problem during 2.6.37-rc1 regression test, which was introduced by commit '5e98d492406818e6a94c0ba54c61f59d40cefa4a'(Track negative entries v3), following scenario reproduces the issue easily: Node A Node B ================ ============ $touch testfile $ls testfile $rm -rf testfile $touch testfile $ls testfile ls: cannot access testfile: No such file or directory This patch stops tracking the dentry which was negativated by a inode deletion, so as to force the revaliation in next lookup, in case we'll touch the inode again in the same node. It didn't hurt the performance of multiple lookup for none-existed files anyway, while regresses a bit in the first try after a file deletion. Signed-off-by: Tristan Ye Signed-off-by: Joel Becker --- fs/ocfs2/dcache.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index edaded48e7e9..895532ac4d98 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -476,7 +476,6 @@ static void ocfs2_dentry_iput(struct dentry *dentry, struct inode *inode) out: iput(inode); - ocfs2_dentry_attach_gen(dentry); } /* From a2a2f55291918f6cf9287d7beaecc7bc007a9f1c Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Wed, 17 Nov 2010 22:20:11 -0600 Subject: [PATCH 006/138] ocfs2: char is not always signed Commit 1c66b360fe262 (Change some lock status member in ocfs2_lock_res to char.) states that these fields need to be signed due to comparision to -1, but only changed the type from unsigned char to char. However, it is a compiler option if char is a signed or unsigned type. Change these fields to signed char so the code will work with all compilers. Signed-off-by: Milton Miller Signed-off-by: Joel Becker --- fs/ocfs2/ocfs2.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 1efea3615589..70dd3b1798f1 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -159,9 +159,9 @@ struct ocfs2_lock_res { char l_name[OCFS2_LOCK_ID_MAX_LEN]; unsigned int l_ro_holders; unsigned int l_ex_holders; - char l_level; - char l_requested; - char l_blocking; + signed char l_level; + signed char l_requested; + signed char l_blocking; /* Data packed - type enum ocfs2_lock_type */ unsigned char l_type; From 226291aa4641fa13cb5dec3bcb3379faa83009e2 Mon Sep 17 00:00:00 2001 From: dann frazier Date: Thu, 18 Nov 2010 15:03:09 -0700 Subject: [PATCH 007/138] ocfs2_connection_find() returns pointer to bad structure If ocfs2_live_connection_list is empty, ocfs2_connection_find() will return a pointer to the LIST_HEAD, cast as a ocfs2_live_connection. This can cause an oops when ocfs2_control_send_down() dereferences c->oc_conn: Call Trace: [] ocfs2_control_message+0x28c/0x2b0 [ocfs2_stack_user] [] ocfs2_control_write+0x35/0xb0 [ocfs2_stack_user] [] vfs_write+0xb8/0x1a0 [] ? do_page_fault+0x153/0x3b0 [] sys_write+0x51/0x80 [] system_call_fastpath+0x16/0x1b Fix by explicitly returning NULL if no match is found. Signed-off-by: dann frazier Signed-off-by: Joel Becker --- fs/ocfs2/stack_user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c index 252e7c82f929..a5ebe421195f 100644 --- a/fs/ocfs2/stack_user.c +++ b/fs/ocfs2/stack_user.c @@ -190,7 +190,7 @@ static struct ocfs2_live_connection *ocfs2_connection_find(const char *name) return c; } - return c; + return NULL; } /* From 86e187ff9bce9fbed7bfed92ae34f491cf1af50f Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 6 Nov 2010 18:30:23 -0300 Subject: [PATCH 008/138] kconfig: add an option to determine a menu's visibility This option is aimed to add the possibility to control a menu's visibility without adding dependency to the expression to all the submenu. Signed-off-by: Arnaud Lacombe Acked-by: Mauro Carvalho Chehab Tested-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab --- scripts/kconfig/expr.h | 1 + scripts/kconfig/lkc.h | 1 + scripts/kconfig/menu.c | 11 +++++++++++ scripts/kconfig/zconf.gperf | 1 + scripts/kconfig/zconf.y | 21 ++++++++++++++++++--- 5 files changed, 32 insertions(+), 3 deletions(-) diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index 184eb6a0b505..e57826ced380 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -164,6 +164,7 @@ struct menu { struct menu *list; struct symbol *sym; struct property *prompt; + struct expr *visibility; struct expr *dep; unsigned int flags; char *help; diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 753cdbd7b805..3f7240df0f3b 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -107,6 +107,7 @@ void menu_end_menu(void); void menu_add_entry(struct symbol *sym); void menu_end_entry(void); void menu_add_dep(struct expr *dep); +void menu_add_visibility(struct expr *dep); struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep); struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 7e83aef42c6d..b9d9aa18e6d6 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -152,6 +152,12 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr return menu_add_prop(type, prompt, NULL, dep); } +void menu_add_visibility(struct expr *expr) +{ + current_entry->visibility = expr_alloc_and(current_entry->visibility, + expr); +} + void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) { menu_add_prop(type, NULL, expr, dep); @@ -410,6 +416,11 @@ bool menu_is_visible(struct menu *menu) if (!menu->prompt) return false; + if (menu->visibility) { + if (expr_calc_value(menu->visibility) == no) + return no; + } + sym = menu->sym; if (sym) { sym_calc_value(sym); diff --git a/scripts/kconfig/zconf.gperf b/scripts/kconfig/zconf.gperf index d8bc74249622..c9e690eb7545 100644 --- a/scripts/kconfig/zconf.gperf +++ b/scripts/kconfig/zconf.gperf @@ -38,6 +38,7 @@ hex, T_TYPE, TF_COMMAND, S_HEX string, T_TYPE, TF_COMMAND, S_STRING select, T_SELECT, TF_COMMAND range, T_RANGE, TF_COMMAND +visible, T_VISIBLE, TF_COMMAND option, T_OPTION, TF_COMMAND on, T_ON, TF_PARAM modules, T_OPT_MODULES, TF_OPTION diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 2abd3c7ff15d..49fb4ab664c3 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -36,7 +36,7 @@ static struct menu *current_menu, *current_entry; #define YYERROR_VERBOSE #endif %} -%expect 28 +%expect 30 %union { @@ -68,6 +68,7 @@ static struct menu *current_menu, *current_entry; %token T_DEFAULT %token T_SELECT %token T_RANGE +%token T_VISIBLE %token T_OPTION %token T_ON %token T_WORD @@ -123,7 +124,7 @@ stmt_list: ; option_name: - T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT + T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE ; common_stmt: @@ -359,7 +360,7 @@ menu: T_MENU prompt T_EOL printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; -menu_entry: menu depends_list +menu_entry: menu visibility_list depends_list { $$ = menu_add_menu(); }; @@ -430,6 +431,19 @@ depends: T_DEPENDS T_ON expr T_EOL printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno()); }; +/* visibility option */ + +visibility_list: + /* empty */ + | visibility_list visible + | visibility_list T_EOL +; + +visible: T_VISIBLE if_expr +{ + menu_add_visibility($2); +}; + /* prompt statement */ prompt_stmt_opt: @@ -526,6 +540,7 @@ static const char *zconf_tokenname(int token) case T_IF: return "if"; case T_ENDIF: return "endif"; case T_DEPENDS: return "depends"; + case T_VISIBLE: return "visible"; } return ""; } From 09899c93b183870b122c94317f63344df43368e9 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 6 Nov 2010 18:30:24 -0300 Subject: [PATCH 009/138] kconfig: regen parser Signed-off-by: Arnaud Lacombe Signed-off-by: Mauro Carvalho Chehab --- scripts/kconfig/zconf.hash.c_shipped | 122 +++--- scripts/kconfig/zconf.tab.c_shipped | 608 ++++++++++++++------------- 2 files changed, 377 insertions(+), 353 deletions(-) diff --git a/scripts/kconfig/zconf.hash.c_shipped b/scripts/kconfig/zconf.hash.c_shipped index c1748faf4634..4055d5de1750 100644 --- a/scripts/kconfig/zconf.hash.c_shipped +++ b/scripts/kconfig/zconf.hash.c_shipped @@ -32,7 +32,7 @@ struct kconf_id; static struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len); -/* maximum key range = 47, duplicates = 0 */ +/* maximum key range = 50, duplicates = 0 */ #ifdef __GNUC__ __inline @@ -46,32 +46,32 @@ kconf_id_hash (register const char *str, register unsigned int len) { static unsigned char asso_values[] = { - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 11, 5, - 0, 0, 5, 49, 5, 20, 49, 49, 5, 20, - 5, 0, 30, 49, 0, 15, 0, 10, 0, 49, - 25, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49 + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 40, 5, + 0, 0, 5, 52, 0, 20, 52, 52, 10, 20, + 5, 0, 35, 52, 0, 30, 0, 15, 0, 52, + 15, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 52 }; register int hval = len; @@ -102,25 +102,26 @@ struct kconf_id_strings_t char kconf_id_strings_str12[sizeof("default")]; char kconf_id_strings_str13[sizeof("def_bool")]; char kconf_id_strings_str14[sizeof("help")]; - char kconf_id_strings_str15[sizeof("bool")]; char kconf_id_strings_str16[sizeof("config")]; char kconf_id_strings_str17[sizeof("def_tristate")]; - char kconf_id_strings_str18[sizeof("boolean")]; + char kconf_id_strings_str18[sizeof("hex")]; char kconf_id_strings_str19[sizeof("defconfig_list")]; - char kconf_id_strings_str21[sizeof("string")]; char kconf_id_strings_str22[sizeof("if")]; char kconf_id_strings_str23[sizeof("int")]; - char kconf_id_strings_str26[sizeof("select")]; char kconf_id_strings_str27[sizeof("modules")]; char kconf_id_strings_str28[sizeof("tristate")]; char kconf_id_strings_str29[sizeof("menu")]; - char kconf_id_strings_str31[sizeof("source")]; char kconf_id_strings_str32[sizeof("comment")]; - char kconf_id_strings_str33[sizeof("hex")]; char kconf_id_strings_str35[sizeof("menuconfig")]; - char kconf_id_strings_str36[sizeof("prompt")]; - char kconf_id_strings_str37[sizeof("depends")]; + char kconf_id_strings_str36[sizeof("string")]; + char kconf_id_strings_str37[sizeof("visible")]; + char kconf_id_strings_str41[sizeof("prompt")]; + char kconf_id_strings_str42[sizeof("depends")]; + char kconf_id_strings_str44[sizeof("bool")]; + char kconf_id_strings_str46[sizeof("select")]; + char kconf_id_strings_str47[sizeof("boolean")]; char kconf_id_strings_str48[sizeof("mainmenu")]; + char kconf_id_strings_str51[sizeof("source")]; }; static struct kconf_id_strings_t kconf_id_strings_contents = { @@ -136,25 +137,26 @@ static struct kconf_id_strings_t kconf_id_strings_contents = "default", "def_bool", "help", - "bool", "config", "def_tristate", - "boolean", + "hex", "defconfig_list", - "string", "if", "int", - "select", "modules", "tristate", "menu", - "source", "comment", - "hex", "menuconfig", + "string", + "visible", "prompt", "depends", - "mainmenu" + "bool", + "select", + "boolean", + "mainmenu", + "source" }; #define kconf_id_strings ((const char *) &kconf_id_strings_contents) #ifdef __GNUC__ @@ -168,11 +170,11 @@ kconf_id_lookup (register const char *str, register unsigned int len) { enum { - TOTAL_KEYWORDS = 31, + TOTAL_KEYWORDS = 32, MIN_WORD_LENGTH = 2, MAX_WORD_LENGTH = 14, MIN_HASH_VALUE = 2, - MAX_HASH_VALUE = 48 + MAX_HASH_VALUE = 51 }; static struct kconf_id wordlist[] = @@ -191,31 +193,35 @@ kconf_id_lookup (register const char *str, register unsigned int len) {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12, T_DEFAULT, TF_COMMAND, S_UNKNOWN}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13, T_DEFAULT, TF_COMMAND, S_BOOLEAN}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14, T_HELP, TF_COMMAND}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str15, T_TYPE, TF_COMMAND, S_BOOLEAN}, + {-1}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16, T_CONFIG, TF_COMMAND}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17, T_DEFAULT, TF_COMMAND, S_TRISTATE}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18, T_TYPE, TF_COMMAND, S_BOOLEAN}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18, T_TYPE, TF_COMMAND, S_HEX}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str19, T_OPT_DEFCONFIG_LIST,TF_OPTION}, - {-1}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21, T_TYPE, TF_COMMAND, S_STRING}, + {-1}, {-1}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22, T_IF, TF_COMMAND|TF_PARAM}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23, T_TYPE, TF_COMMAND, S_INT}, - {-1}, {-1}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str26, T_SELECT, TF_COMMAND}, + {-1}, {-1}, {-1}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27, T_OPT_MODULES, TF_OPTION}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28, T_TYPE, TF_COMMAND, S_TRISTATE}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29, T_MENU, TF_COMMAND}, - {-1}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31, T_SOURCE, TF_COMMAND}, + {-1}, {-1}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32, T_COMMENT, TF_COMMAND}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33, T_TYPE, TF_COMMAND, S_HEX}, - {-1}, + {-1}, {-1}, {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str35, T_MENUCONFIG, TF_COMMAND}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36, T_PROMPT, TF_COMMAND}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37, T_DEPENDS, TF_COMMAND}, - {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36, T_TYPE, TF_COMMAND, S_STRING}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37, T_VISIBLE, TF_COMMAND}, + {-1}, {-1}, {-1}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41, T_PROMPT, TF_COMMAND}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str42, T_DEPENDS, TF_COMMAND}, {-1}, - {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48, T_MAINMENU, TF_COMMAND} + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str44, T_TYPE, TF_COMMAND, S_BOOLEAN}, + {-1}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str46, T_SELECT, TF_COMMAND}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str47, T_TYPE, TF_COMMAND, S_BOOLEAN}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48, T_MAINMENU, TF_COMMAND}, + {-1}, {-1}, + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str51, T_SOURCE, TF_COMMAND} }; if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped index 699d4b265186..4c5495ea205e 100644 --- a/scripts/kconfig/zconf.tab.c_shipped +++ b/scripts/kconfig/zconf.tab.c_shipped @@ -160,18 +160,19 @@ static struct menu *current_menu, *current_entry; T_DEFAULT = 275, T_SELECT = 276, T_RANGE = 277, - T_OPTION = 278, - T_ON = 279, - T_WORD = 280, - T_WORD_QUOTE = 281, - T_UNEQUAL = 282, - T_CLOSE_PAREN = 283, - T_OPEN_PAREN = 284, - T_EOL = 285, - T_OR = 286, - T_AND = 287, - T_EQUAL = 288, - T_NOT = 289 + T_VISIBLE = 278, + T_OPTION = 279, + T_ON = 280, + T_WORD = 281, + T_WORD_QUOTE = 282, + T_UNEQUAL = 283, + T_CLOSE_PAREN = 284, + T_OPEN_PAREN = 285, + T_EOL = 286, + T_OR = 287, + T_AND = 288, + T_EQUAL = 289, + T_NOT = 290 }; #endif @@ -419,20 +420,20 @@ union yyalloc /* YYFINAL -- State number of the termination state. */ #define YYFINAL 11 /* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 277 +#define YYLAST 290 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 35 +#define YYNTOKENS 36 /* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 48 +#define YYNNTS 50 /* YYNRULES -- Number of rules. */ -#define YYNRULES 113 +#define YYNRULES 118 /* YYNRULES -- Number of states. */ -#define YYNSTATES 185 +#define YYNSTATES 191 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 289 +#define YYMAXUTOK 290 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) @@ -468,7 +469,8 @@ static const yytype_uint8 yytranslate[] = 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34 + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35 }; #if YYDEBUG @@ -478,72 +480,73 @@ static const yytype_uint16 yyprhs[] = { 0, 0, 3, 6, 8, 11, 13, 14, 17, 20, 23, 26, 31, 36, 40, 42, 44, 46, 48, 50, - 52, 54, 56, 58, 60, 62, 64, 66, 70, 73, - 77, 80, 84, 87, 88, 91, 94, 97, 100, 103, - 106, 110, 115, 120, 125, 131, 135, 136, 140, 141, - 144, 148, 151, 153, 157, 158, 161, 164, 167, 170, - 173, 178, 182, 185, 190, 191, 194, 198, 200, 204, - 205, 208, 211, 214, 218, 222, 225, 227, 231, 232, - 235, 238, 241, 245, 249, 252, 255, 258, 259, 262, - 265, 268, 273, 274, 277, 279, 281, 284, 287, 290, - 292, 295, 296, 299, 301, 305, 309, 313, 316, 320, - 324, 326, 328, 329 + 52, 54, 56, 58, 60, 62, 64, 66, 68, 72, + 75, 79, 82, 86, 89, 90, 93, 96, 99, 102, + 105, 108, 112, 117, 122, 127, 133, 137, 138, 142, + 143, 146, 150, 153, 155, 159, 160, 163, 166, 169, + 172, 175, 180, 184, 187, 192, 193, 196, 200, 202, + 206, 207, 210, 213, 216, 220, 224, 228, 230, 234, + 235, 238, 241, 244, 248, 252, 255, 258, 261, 262, + 265, 268, 271, 276, 277, 280, 283, 286, 287, 290, + 292, 294, 297, 300, 303, 305, 308, 309, 312, 314, + 318, 322, 326, 329, 333, 337, 339, 341, 342 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yytype_int8 yyrhs[] = { - 36, 0, -1, 78, 37, -1, 37, -1, 62, 38, - -1, 38, -1, -1, 38, 40, -1, 38, 54, -1, - 38, 66, -1, 38, 77, -1, 38, 25, 1, 30, - -1, 38, 39, 1, 30, -1, 38, 1, 30, -1, + 37, 0, -1, 81, 38, -1, 38, -1, 63, 39, + -1, 39, -1, -1, 39, 41, -1, 39, 55, -1, + 39, 67, -1, 39, 80, -1, 39, 26, 1, 31, + -1, 39, 40, 1, 31, -1, 39, 1, 31, -1, 16, -1, 18, -1, 19, -1, 21, -1, 17, -1, - 22, -1, 20, -1, 30, -1, 60, -1, 70, -1, - 43, -1, 45, -1, 68, -1, 25, 1, 30, -1, - 1, 30, -1, 10, 25, 30, -1, 42, 46, -1, - 11, 25, 30, -1, 44, 46, -1, -1, 46, 47, - -1, 46, 48, -1, 46, 74, -1, 46, 72, -1, - 46, 41, -1, 46, 30, -1, 19, 75, 30, -1, - 18, 76, 79, 30, -1, 20, 80, 79, 30, -1, - 21, 25, 79, 30, -1, 22, 81, 81, 79, 30, - -1, 23, 49, 30, -1, -1, 49, 25, 50, -1, - -1, 33, 76, -1, 7, 82, 30, -1, 51, 55, - -1, 77, -1, 52, 57, 53, -1, -1, 55, 56, - -1, 55, 74, -1, 55, 72, -1, 55, 30, -1, - 55, 41, -1, 18, 76, 79, 30, -1, 19, 75, - 30, -1, 17, 30, -1, 20, 25, 79, 30, -1, - -1, 57, 40, -1, 14, 80, 78, -1, 77, -1, - 58, 61, 59, -1, -1, 61, 40, -1, 61, 66, - -1, 61, 54, -1, 3, 76, 78, -1, 4, 76, - 30, -1, 63, 73, -1, 77, -1, 64, 67, 65, - -1, -1, 67, 40, -1, 67, 66, -1, 67, 54, - -1, 6, 76, 30, -1, 9, 76, 30, -1, 69, - 73, -1, 12, 30, -1, 71, 13, -1, -1, 73, - 74, -1, 73, 30, -1, 73, 41, -1, 16, 24, - 80, 30, -1, -1, 76, 79, -1, 25, -1, 26, - -1, 5, 30, -1, 8, 30, -1, 15, 30, -1, - 30, -1, 78, 30, -1, -1, 14, 80, -1, 81, - -1, 81, 33, 81, -1, 81, 27, 81, -1, 29, - 80, 28, -1, 34, 80, -1, 80, 31, 80, -1, - 80, 32, 80, -1, 25, -1, 26, -1, -1, 25, - -1 + 22, -1, 20, -1, 23, -1, 31, -1, 61, -1, + 71, -1, 44, -1, 46, -1, 69, -1, 26, 1, + 31, -1, 1, 31, -1, 10, 26, 31, -1, 43, + 47, -1, 11, 26, 31, -1, 45, 47, -1, -1, + 47, 48, -1, 47, 49, -1, 47, 75, -1, 47, + 73, -1, 47, 42, -1, 47, 31, -1, 19, 78, + 31, -1, 18, 79, 82, 31, -1, 20, 83, 82, + 31, -1, 21, 26, 82, 31, -1, 22, 84, 84, + 82, 31, -1, 24, 50, 31, -1, -1, 50, 26, + 51, -1, -1, 34, 79, -1, 7, 85, 31, -1, + 52, 56, -1, 80, -1, 53, 58, 54, -1, -1, + 56, 57, -1, 56, 75, -1, 56, 73, -1, 56, + 31, -1, 56, 42, -1, 18, 79, 82, 31, -1, + 19, 78, 31, -1, 17, 31, -1, 20, 26, 82, + 31, -1, -1, 58, 41, -1, 14, 83, 81, -1, + 80, -1, 59, 62, 60, -1, -1, 62, 41, -1, + 62, 67, -1, 62, 55, -1, 3, 79, 81, -1, + 4, 79, 31, -1, 64, 76, 74, -1, 80, -1, + 65, 68, 66, -1, -1, 68, 41, -1, 68, 67, + -1, 68, 55, -1, 6, 79, 31, -1, 9, 79, + 31, -1, 70, 74, -1, 12, 31, -1, 72, 13, + -1, -1, 74, 75, -1, 74, 31, -1, 74, 42, + -1, 16, 25, 83, 31, -1, -1, 76, 77, -1, + 76, 31, -1, 23, 82, -1, -1, 79, 82, -1, + 26, -1, 27, -1, 5, 31, -1, 8, 31, -1, + 15, 31, -1, 31, -1, 81, 31, -1, -1, 14, + 83, -1, 84, -1, 84, 34, 84, -1, 84, 28, + 84, -1, 30, 83, 29, -1, 35, 83, -1, 83, + 32, 83, -1, 83, 33, 83, -1, 26, -1, 27, + -1, -1, 26, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const yytype_uint16 yyrline[] = { - 0, 107, 107, 107, 109, 109, 111, 113, 114, 115, - 116, 117, 118, 122, 126, 126, 126, 126, 126, 126, - 126, 130, 131, 132, 133, 134, 135, 139, 140, 146, - 154, 160, 168, 178, 180, 181, 182, 183, 184, 185, - 188, 196, 202, 212, 218, 224, 227, 229, 240, 241, - 246, 255, 260, 268, 271, 273, 274, 275, 276, 277, - 280, 286, 297, 303, 313, 315, 320, 328, 336, 339, - 341, 342, 343, 348, 355, 362, 367, 375, 378, 380, - 381, 382, 385, 393, 400, 407, 413, 420, 422, 423, - 424, 427, 435, 437, 442, 443, 446, 447, 448, 452, - 453, 456, 457, 460, 461, 462, 463, 464, 465, 466, - 469, 470, 473, 474 + 0, 108, 108, 108, 110, 110, 112, 114, 115, 116, + 117, 118, 119, 123, 127, 127, 127, 127, 127, 127, + 127, 127, 131, 132, 133, 134, 135, 136, 140, 141, + 147, 155, 161, 169, 179, 181, 182, 183, 184, 185, + 186, 189, 197, 203, 213, 219, 225, 228, 230, 241, + 242, 247, 256, 261, 269, 272, 274, 275, 276, 277, + 278, 281, 287, 298, 304, 314, 316, 321, 329, 337, + 340, 342, 343, 344, 349, 356, 363, 368, 376, 379, + 381, 382, 383, 386, 394, 401, 408, 414, 421, 423, + 424, 425, 428, 436, 438, 439, 442, 449, 451, 456, + 457, 460, 461, 462, 466, 467, 470, 471, 474, 475, + 476, 477, 478, 479, 480, 483, 484, 487, 488 }; #endif @@ -556,7 +559,7 @@ static const char *const yytname[] = "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG", "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS", "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE", - "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL", + "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL", "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL", "T_NOT", "$accept", "input", "start", "stmt_list", "option_name", "common_stmt", "option_error", "config_entry_start", "config_stmt", @@ -567,8 +570,8 @@ static const char *const yytname[] = "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu", "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt", "comment", "comment_stmt", "help_start", "help", "depends_list", - "depends", "prompt_stmt_opt", "prompt", "end", "nl", "if_expr", "expr", - "symbol", "word_opt", 0 + "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt", + "end", "nl", "if_expr", "expr", "symbol", "word_opt", 0 }; #endif @@ -580,25 +583,25 @@ static const yytype_uint16 yytoknum[] = 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, - 285, 286, 287, 288, 289 + 285, 286, 287, 288, 289, 290 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const yytype_uint8 yyr1[] = { - 0, 35, 36, 36, 37, 37, 38, 38, 38, 38, - 38, 38, 38, 38, 39, 39, 39, 39, 39, 39, - 39, 40, 40, 40, 40, 40, 40, 41, 41, 42, - 43, 44, 45, 46, 46, 46, 46, 46, 46, 46, - 47, 47, 47, 47, 47, 48, 49, 49, 50, 50, - 51, 52, 53, 54, 55, 55, 55, 55, 55, 55, - 56, 56, 56, 56, 57, 57, 58, 59, 60, 61, - 61, 61, 61, 62, 63, 64, 65, 66, 67, 67, - 67, 67, 68, 69, 70, 71, 72, 73, 73, 73, - 73, 74, 75, 75, 76, 76, 77, 77, 77, 78, - 78, 79, 79, 80, 80, 80, 80, 80, 80, 80, - 81, 81, 82, 82 + 0, 36, 37, 37, 38, 38, 39, 39, 39, 39, + 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, + 40, 40, 41, 41, 41, 41, 41, 41, 42, 42, + 43, 44, 45, 46, 47, 47, 47, 47, 47, 47, + 47, 48, 48, 48, 48, 48, 49, 50, 50, 51, + 51, 52, 53, 54, 55, 56, 56, 56, 56, 56, + 56, 57, 57, 57, 57, 58, 58, 59, 60, 61, + 62, 62, 62, 62, 63, 64, 65, 66, 67, 68, + 68, 68, 68, 69, 70, 71, 72, 73, 74, 74, + 74, 74, 75, 76, 76, 76, 77, 78, 78, 79, + 79, 80, 80, 80, 81, 81, 82, 82, 83, 83, + 83, 83, 83, 83, 83, 84, 84, 85, 85 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ @@ -606,16 +609,16 @@ static const yytype_uint8 yyr2[] = { 0, 2, 2, 1, 2, 1, 0, 2, 2, 2, 2, 4, 4, 3, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 3, 2, 3, - 2, 3, 2, 0, 2, 2, 2, 2, 2, 2, - 3, 4, 4, 4, 5, 3, 0, 3, 0, 2, - 3, 2, 1, 3, 0, 2, 2, 2, 2, 2, - 4, 3, 2, 4, 0, 2, 3, 1, 3, 0, - 2, 2, 2, 3, 3, 2, 1, 3, 0, 2, - 2, 2, 3, 3, 2, 2, 2, 0, 2, 2, - 2, 4, 0, 2, 1, 1, 2, 2, 2, 1, - 2, 0, 2, 1, 3, 3, 3, 2, 3, 3, - 1, 1, 0, 1 + 1, 1, 1, 1, 1, 1, 1, 1, 3, 2, + 3, 2, 3, 2, 0, 2, 2, 2, 2, 2, + 2, 3, 4, 4, 4, 5, 3, 0, 3, 0, + 2, 3, 2, 1, 3, 0, 2, 2, 2, 2, + 2, 4, 3, 2, 4, 0, 2, 3, 1, 3, + 0, 2, 2, 2, 3, 3, 3, 1, 3, 0, + 2, 2, 2, 3, 3, 2, 2, 2, 0, 2, + 2, 2, 4, 0, 2, 2, 2, 0, 2, 1, + 1, 2, 2, 2, 1, 2, 0, 2, 1, 3, + 3, 3, 2, 3, 3, 1, 1, 0, 1 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state @@ -623,165 +626,172 @@ static const yytype_uint8 yyr2[] = means the default is an error. */ static const yytype_uint8 yydefact[] = { - 6, 0, 99, 0, 3, 0, 6, 6, 94, 95, - 0, 1, 0, 0, 0, 0, 112, 0, 0, 0, + 6, 0, 104, 0, 3, 0, 6, 6, 99, 100, + 0, 1, 0, 0, 0, 0, 117, 0, 0, 0, 0, 0, 0, 14, 18, 15, 16, 20, 17, 19, - 0, 21, 0, 7, 33, 24, 33, 25, 54, 64, - 8, 69, 22, 87, 78, 9, 26, 87, 23, 10, - 0, 100, 2, 73, 13, 0, 96, 0, 113, 0, - 97, 0, 0, 0, 110, 111, 0, 0, 0, 103, - 98, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 74, 82, 50, 83, 29, 31, 0, 107, 0, - 0, 66, 0, 0, 11, 12, 0, 0, 0, 0, - 92, 0, 0, 0, 46, 0, 39, 38, 34, 35, - 0, 37, 36, 0, 0, 92, 0, 58, 59, 55, - 57, 56, 65, 53, 52, 70, 72, 68, 71, 67, - 89, 90, 88, 79, 81, 77, 80, 76, 106, 108, - 109, 105, 104, 28, 85, 0, 101, 0, 101, 101, - 101, 0, 0, 0, 86, 62, 101, 0, 101, 0, - 0, 0, 40, 93, 0, 0, 101, 48, 45, 27, - 0, 61, 0, 91, 102, 41, 42, 43, 0, 0, - 47, 60, 63, 44, 49 + 21, 0, 22, 0, 7, 34, 25, 34, 26, 55, + 65, 8, 70, 23, 93, 79, 9, 27, 88, 24, + 10, 0, 105, 2, 74, 13, 0, 101, 0, 118, + 0, 102, 0, 0, 0, 115, 116, 0, 0, 0, + 108, 103, 0, 0, 0, 0, 0, 0, 0, 88, + 0, 0, 75, 83, 51, 84, 30, 32, 0, 112, + 0, 0, 67, 0, 0, 11, 12, 0, 0, 0, + 0, 97, 0, 0, 0, 47, 0, 40, 39, 35, + 36, 0, 38, 37, 0, 0, 97, 0, 59, 60, + 56, 58, 57, 66, 54, 53, 71, 73, 69, 72, + 68, 106, 95, 0, 94, 80, 82, 78, 81, 77, + 90, 91, 89, 111, 113, 114, 110, 109, 29, 86, + 0, 106, 0, 106, 106, 106, 0, 0, 0, 87, + 63, 106, 0, 106, 0, 96, 0, 0, 41, 98, + 0, 0, 106, 49, 46, 28, 0, 62, 0, 107, + 92, 42, 43, 44, 0, 0, 48, 61, 64, 45, + 50 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yytype_int16 yydefgoto[] = { - -1, 3, 4, 5, 32, 33, 107, 34, 35, 36, - 37, 73, 108, 109, 152, 180, 38, 39, 123, 40, - 75, 119, 76, 41, 127, 42, 77, 6, 43, 44, - 135, 45, 79, 46, 47, 48, 110, 111, 78, 112, - 147, 148, 49, 7, 161, 68, 69, 59 + -1, 3, 4, 5, 33, 34, 108, 35, 36, 37, + 38, 74, 109, 110, 157, 186, 39, 40, 124, 41, + 76, 120, 77, 42, 128, 43, 78, 6, 44, 45, + 137, 46, 80, 47, 48, 49, 111, 112, 81, 113, + 79, 134, 152, 153, 50, 7, 165, 69, 70, 60 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ -#define YYPACT_NINF -89 +#define YYPACT_NINF -90 static const yytype_int16 yypact[] = { - 3, 4, -89, 20, -89, 100, -89, 7, -89, -89, - -8, -89, 17, 4, 28, 4, 37, 36, 4, 68, - 87, -18, 69, -89, -89, -89, -89, -89, -89, -89, - 128, -89, 138, -89, -89, -89, -89, -89, -89, -89, - -89, -89, -89, -89, -89, -89, -89, -89, -89, -89, - 127, -89, -89, 110, -89, 126, -89, 136, -89, 137, - -89, 147, 150, 152, -89, -89, -18, -18, 171, -14, - -89, 153, 157, 34, 67, 180, 233, 220, 207, 220, - 154, -89, -89, -89, -89, -89, -89, 0, -89, -18, - -18, 110, 44, 44, -89, -89, 163, 174, 182, 4, - 4, -18, 194, 44, -89, 219, -89, -89, -89, -89, - 223, -89, -89, 203, 4, 4, 215, -89, -89, -89, - -89, -89, -89, -89, -89, -89, -89, -89, -89, -89, - -89, -89, -89, -89, -89, -89, -89, -89, -89, 213, - -89, -89, -89, -89, -89, -18, 232, 227, 232, -5, - 232, 44, 35, 234, -89, -89, 232, 235, 232, 224, - -18, 236, -89, -89, 237, 238, 232, 216, -89, -89, - 240, -89, 241, -89, 71, -89, -89, -89, 242, 4, - -89, -89, -89, -89, -89 + 4, 42, -90, 96, -90, 111, -90, 15, -90, -90, + 75, -90, 82, 42, 104, 42, 110, 107, 42, 115, + 125, -4, 121, -90, -90, -90, -90, -90, -90, -90, + -90, 162, -90, 163, -90, -90, -90, -90, -90, -90, + -90, -90, -90, -90, -90, -90, -90, -90, -90, -90, + -90, 139, -90, -90, 138, -90, 142, -90, 143, -90, + 152, -90, 164, 167, 168, -90, -90, -4, -4, 77, + -18, -90, 177, 185, 33, 71, 195, 247, 236, -2, + 236, 171, -90, -90, -90, -90, -90, -90, 41, -90, + -4, -4, 138, 97, 97, -90, -90, 186, 187, 194, + 42, 42, -4, 196, 97, -90, 219, -90, -90, -90, + -90, 210, -90, -90, 204, 42, 42, 199, -90, -90, + -90, -90, -90, -90, -90, -90, -90, -90, -90, -90, + -90, 222, -90, 223, -90, -90, -90, -90, -90, -90, + -90, -90, -90, -90, 215, -90, -90, -90, -90, -90, + -4, 222, 228, 222, -5, 222, 97, 35, 229, -90, + -90, 222, 232, 222, -4, -90, 135, 233, -90, -90, + 234, 235, 222, 240, -90, -90, 237, -90, 239, -13, + -90, -90, -90, -90, 244, 42, -90, -90, -90, -90, + -90 }; /* YYPGOTO[NTERM-NUM]. */ static const yytype_int16 yypgoto[] = { - -89, -89, 255, 267, -89, 47, -57, -89, -89, -89, - -89, 239, -89, -89, -89, -89, -89, -89, -89, 130, - -89, -89, -89, -89, -89, -89, -89, -89, -89, -89, - -89, 181, -89, -89, -89, -89, -89, 199, 229, 16, - 162, -1, 74, -7, 103, -65, -88, -89 + -90, -90, 269, 271, -90, 23, -70, -90, -90, -90, + -90, 243, -90, -90, -90, -90, -90, -90, -90, -48, + -90, -90, -90, -90, -90, -90, -90, -90, -90, -90, + -90, -20, -90, -90, -90, -90, -90, 206, 205, -68, + -90, -90, 169, -1, 27, -7, 118, -66, -89, -90 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which number is the opposite. If zero, do what YYDEFACT says. If YYTABLE_NINF, syntax error. */ -#define YYTABLE_NINF -85 +#define YYTABLE_NINF -86 static const yytype_int16 yytable[] = { - 10, 87, 88, 53, 141, 142, 1, 64, 65, 160, - 1, 66, 55, 92, 57, 151, 67, 61, 118, 93, - 11, 131, 2, 131, 139, 140, 89, 90, 138, 8, - 9, 89, 90, 2, -30, 96, 149, 51, -30, -30, - -30, -30, -30, -30, -30, -30, 97, 54, -30, -30, - 98, -30, 99, 100, 101, 102, 103, 104, 56, 105, - 167, 91, 58, 166, 106, 168, 60, -32, 96, 64, - 65, -32, -32, -32, -32, -32, -32, -32, -32, 97, - 159, -32, -32, 98, -32, 99, 100, 101, 102, 103, - 104, 121, 105, 62, 132, 174, 132, 106, 146, 70, - -5, 12, 89, 90, 13, 14, 15, 16, 17, 18, - 19, 20, 63, 156, 21, 22, 23, 24, 25, 26, - 27, 28, 29, 122, 125, 30, 133, -4, 12, 71, - 31, 13, 14, 15, 16, 17, 18, 19, 20, 72, - 51, 21, 22, 23, 24, 25, 26, 27, 28, 29, - 124, 129, 30, 137, -84, 96, 81, 31, -84, -84, - -84, -84, -84, -84, -84, -84, 82, 83, -84, -84, - 98, -84, -84, -84, -84, -84, -84, 84, 184, 105, - 85, 96, 86, 94, 130, -51, -51, 95, -51, -51, - -51, -51, 97, 143, -51, -51, 98, 113, 114, 115, - 116, 2, 89, 90, 144, 105, 145, 126, 96, 134, - 117, -75, -75, -75, -75, -75, -75, -75, -75, 150, - 153, -75, -75, 98, 13, 14, 15, 16, 17, 18, - 19, 20, 105, 155, 21, 22, 154, 130, 14, 15, - 158, 17, 18, 19, 20, 90, 160, 21, 22, 179, - 31, 163, 164, 165, 173, 89, 90, 162, 128, 170, - 136, 172, 52, 31, 169, 171, 175, 176, 177, 178, - 181, 182, 183, 50, 120, 74, 80, 157 + 10, 88, 89, 54, 146, 147, 119, 1, 122, 164, + 93, 141, 56, 142, 58, 156, 94, 62, 1, 90, + 91, 131, 65, 66, 144, 145, 67, 90, 91, 132, + 127, 68, 136, -31, 97, 2, 154, -31, -31, -31, + -31, -31, -31, -31, -31, 98, 52, -31, -31, 99, + -31, 100, 101, 102, 103, 104, -31, 105, 129, 106, + 138, 173, 92, 141, 107, 142, 174, 172, 8, 9, + 143, -33, 97, 90, 91, -33, -33, -33, -33, -33, + -33, -33, -33, 98, 166, -33, -33, 99, -33, 100, + 101, 102, 103, 104, -33, 105, 11, 106, 179, 151, + 123, 126, 107, 135, 125, 130, 2, 139, 2, 90, + 91, -5, 12, 55, 161, 13, 14, 15, 16, 17, + 18, 19, 20, 65, 66, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 57, 59, 31, 61, -4, + 12, 63, 32, 13, 14, 15, 16, 17, 18, 19, + 20, 64, 71, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 72, 73, 31, 180, 90, 91, 52, + 32, -85, 97, 82, 83, -85, -85, -85, -85, -85, + -85, -85, -85, 84, 190, -85, -85, 99, -85, -85, + -85, -85, -85, -85, -85, 85, 97, 106, 86, 87, + -52, -52, 140, -52, -52, -52, -52, 98, 95, -52, + -52, 99, 114, 115, 116, 117, 96, 148, 149, 150, + 158, 106, 155, 159, 97, 163, 118, -76, -76, -76, + -76, -76, -76, -76, -76, 160, 164, -76, -76, 99, + 13, 14, 15, 16, 17, 18, 19, 20, 91, 106, + 21, 22, 14, 15, 140, 17, 18, 19, 20, 168, + 175, 21, 22, 177, 181, 182, 183, 32, 187, 167, + 188, 169, 170, 171, 185, 189, 53, 51, 32, 176, + 75, 178, 121, 0, 133, 162, 0, 0, 0, 0, + 184 }; -static const yytype_uint8 yycheck[] = +static const yytype_int16 yycheck[] = { - 1, 66, 67, 10, 92, 93, 3, 25, 26, 14, - 3, 29, 13, 27, 15, 103, 34, 18, 75, 33, - 0, 78, 30, 80, 89, 90, 31, 32, 28, 25, - 26, 31, 32, 30, 0, 1, 101, 30, 4, 5, - 6, 7, 8, 9, 10, 11, 12, 30, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 30, 25, - 25, 68, 25, 151, 30, 30, 30, 0, 1, 25, - 26, 4, 5, 6, 7, 8, 9, 10, 11, 12, - 145, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 23, 75, 25, 25, 78, 160, 80, 30, 99, 30, - 0, 1, 31, 32, 4, 5, 6, 7, 8, 9, - 10, 11, 25, 114, 14, 15, 16, 17, 18, 19, - 20, 21, 22, 76, 77, 25, 79, 0, 1, 1, - 30, 4, 5, 6, 7, 8, 9, 10, 11, 1, - 30, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 76, 77, 25, 79, 0, 1, 30, 30, 4, 5, - 6, 7, 8, 9, 10, 11, 30, 30, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 30, 179, 25, - 30, 1, 30, 30, 30, 5, 6, 30, 8, 9, - 10, 11, 12, 30, 14, 15, 16, 17, 18, 19, - 20, 30, 31, 32, 30, 25, 24, 77, 1, 79, - 30, 4, 5, 6, 7, 8, 9, 10, 11, 25, - 1, 14, 15, 16, 4, 5, 6, 7, 8, 9, - 10, 11, 25, 30, 14, 15, 13, 30, 5, 6, - 25, 8, 9, 10, 11, 32, 14, 14, 15, 33, - 30, 148, 149, 150, 30, 31, 32, 30, 77, 156, - 79, 158, 7, 30, 30, 30, 30, 30, 30, 166, - 30, 30, 30, 6, 75, 36, 47, 115 + 1, 67, 68, 10, 93, 94, 76, 3, 76, 14, + 28, 81, 13, 81, 15, 104, 34, 18, 3, 32, + 33, 23, 26, 27, 90, 91, 30, 32, 33, 31, + 78, 35, 80, 0, 1, 31, 102, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 31, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 78, 26, + 80, 26, 69, 133, 31, 133, 31, 156, 26, 27, + 29, 0, 1, 32, 33, 4, 5, 6, 7, 8, + 9, 10, 11, 12, 150, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 0, 26, 164, 100, + 77, 78, 31, 80, 77, 78, 31, 80, 31, 32, + 33, 0, 1, 31, 115, 4, 5, 6, 7, 8, + 9, 10, 11, 26, 27, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 31, 26, 26, 31, 0, + 1, 26, 31, 4, 5, 6, 7, 8, 9, 10, + 11, 26, 31, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 1, 1, 26, 31, 32, 33, 31, + 31, 0, 1, 31, 31, 4, 5, 6, 7, 8, + 9, 10, 11, 31, 185, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 31, 1, 26, 31, 31, + 5, 6, 31, 8, 9, 10, 11, 12, 31, 14, + 15, 16, 17, 18, 19, 20, 31, 31, 31, 25, + 1, 26, 26, 13, 1, 26, 31, 4, 5, 6, + 7, 8, 9, 10, 11, 31, 14, 14, 15, 16, + 4, 5, 6, 7, 8, 9, 10, 11, 33, 26, + 14, 15, 5, 6, 31, 8, 9, 10, 11, 31, + 31, 14, 15, 31, 31, 31, 31, 31, 31, 151, + 31, 153, 154, 155, 34, 31, 7, 6, 31, 161, + 37, 163, 76, -1, 79, 116, -1, -1, -1, -1, + 172 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const yytype_uint8 yystos[] = { - 0, 3, 30, 36, 37, 38, 62, 78, 25, 26, - 76, 0, 1, 4, 5, 6, 7, 8, 9, 10, + 0, 3, 31, 37, 38, 39, 63, 81, 26, 27, + 79, 0, 1, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 25, 30, 39, 40, 42, 43, 44, 45, 51, 52, - 54, 58, 60, 63, 64, 66, 68, 69, 70, 77, - 38, 30, 37, 78, 30, 76, 30, 76, 25, 82, - 30, 76, 25, 25, 25, 26, 29, 34, 80, 81, - 30, 1, 1, 46, 46, 55, 57, 61, 73, 67, - 73, 30, 30, 30, 30, 30, 30, 80, 80, 31, - 32, 78, 27, 33, 30, 30, 1, 12, 16, 18, - 19, 20, 21, 22, 23, 25, 30, 41, 47, 48, - 71, 72, 74, 17, 18, 19, 20, 30, 41, 56, - 72, 74, 40, 53, 77, 40, 54, 59, 66, 77, - 30, 41, 74, 40, 54, 65, 66, 77, 28, 80, - 80, 81, 81, 30, 30, 24, 76, 75, 76, 80, - 25, 81, 49, 1, 13, 30, 76, 75, 25, 80, - 14, 79, 30, 79, 79, 79, 81, 25, 30, 30, - 79, 30, 79, 30, 80, 30, 30, 30, 79, 33, - 50, 30, 30, 30, 76 + 23, 26, 31, 40, 41, 43, 44, 45, 46, 52, + 53, 55, 59, 61, 64, 65, 67, 69, 70, 71, + 80, 39, 31, 38, 81, 31, 79, 31, 79, 26, + 85, 31, 79, 26, 26, 26, 27, 30, 35, 83, + 84, 31, 1, 1, 47, 47, 56, 58, 62, 76, + 68, 74, 31, 31, 31, 31, 31, 31, 83, 83, + 32, 33, 81, 28, 34, 31, 31, 1, 12, 16, + 18, 19, 20, 21, 22, 24, 26, 31, 42, 48, + 49, 72, 73, 75, 17, 18, 19, 20, 31, 42, + 57, 73, 75, 41, 54, 80, 41, 55, 60, 67, + 80, 23, 31, 74, 77, 41, 55, 66, 67, 80, + 31, 42, 75, 29, 83, 83, 84, 84, 31, 31, + 25, 79, 78, 79, 83, 26, 84, 50, 1, 13, + 31, 79, 78, 26, 14, 82, 83, 82, 31, 82, + 82, 82, 84, 26, 31, 31, 82, 31, 82, 83, + 31, 31, 31, 31, 82, 34, 51, 31, 31, 31, + 79 }; #define yyerrok (yyerrstatus = 0) @@ -1292,7 +1302,7 @@ yydestruct (yymsg, yytype, yyvaluep) switch (yytype) { - case 52: /* "choice_entry" */ + case 53: /* "choice_entry" */ { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -1302,7 +1312,7 @@ yydestruct (yymsg, yytype, yyvaluep) }; break; - case 58: /* "if_entry" */ + case 59: /* "if_entry" */ { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -1312,7 +1322,7 @@ yydestruct (yymsg, yytype, yyvaluep) }; break; - case 64: /* "menu_entry" */ + case 65: /* "menu_entry" */ { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -1644,17 +1654,17 @@ yyreduce: { zconf_error("invalid statement"); ;} break; - case 27: + case 28: { zconf_error("unknown option \"%s\"", (yyvsp[(1) - (3)].string)); ;} break; - case 28: + case 29: { zconf_error("invalid option"); ;} break; - case 29: + case 30: { struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0); @@ -1664,7 +1674,7 @@ yyreduce: ;} break; - case 30: + case 31: { menu_end_entry(); @@ -1672,7 +1682,7 @@ yyreduce: ;} break; - case 31: + case 32: { struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0); @@ -1682,7 +1692,7 @@ yyreduce: ;} break; - case 32: + case 33: { if (current_entry->prompt) @@ -1694,7 +1704,7 @@ yyreduce: ;} break; - case 40: + case 41: { menu_set_type((yyvsp[(1) - (3)].id)->stype); @@ -1704,7 +1714,7 @@ yyreduce: ;} break; - case 41: + case 42: { menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr)); @@ -1712,7 +1722,7 @@ yyreduce: ;} break; - case 42: + case 43: { menu_add_expr(P_DEFAULT, (yyvsp[(2) - (4)].expr), (yyvsp[(3) - (4)].expr)); @@ -1724,7 +1734,7 @@ yyreduce: ;} break; - case 43: + case 44: { menu_add_symbol(P_SELECT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr)); @@ -1732,7 +1742,7 @@ yyreduce: ;} break; - case 44: + case 45: { menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[(2) - (5)].symbol), (yyvsp[(3) - (5)].symbol)), (yyvsp[(4) - (5)].expr)); @@ -1740,7 +1750,7 @@ yyreduce: ;} break; - case 47: + case 48: { struct kconf_id *id = kconf_id_lookup((yyvsp[(2) - (3)].string), strlen((yyvsp[(2) - (3)].string))); @@ -1752,17 +1762,17 @@ yyreduce: ;} break; - case 48: + case 49: { (yyval.string) = NULL; ;} break; - case 49: + case 50: { (yyval.string) = (yyvsp[(2) - (2)].string); ;} break; - case 50: + case 51: { struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), SYMBOL_CHOICE); @@ -1773,14 +1783,14 @@ yyreduce: ;} break; - case 51: + case 52: { (yyval.menu) = menu_add_menu(); ;} break; - case 52: + case 53: { if (zconf_endtoken((yyvsp[(1) - (1)].id), T_CHOICE, T_ENDCHOICE)) { @@ -1790,7 +1800,7 @@ yyreduce: ;} break; - case 60: + case 61: { menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr)); @@ -1798,7 +1808,7 @@ yyreduce: ;} break; - case 61: + case 62: { if ((yyvsp[(1) - (3)].id)->stype == S_BOOLEAN || (yyvsp[(1) - (3)].id)->stype == S_TRISTATE) { @@ -1811,7 +1821,7 @@ yyreduce: ;} break; - case 62: + case 63: { current_entry->sym->flags |= SYMBOL_OPTIONAL; @@ -1819,7 +1829,7 @@ yyreduce: ;} break; - case 63: + case 64: { if ((yyvsp[(1) - (4)].id)->stype == S_UNKNOWN) { @@ -1831,7 +1841,7 @@ yyreduce: ;} break; - case 66: + case 67: { printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno()); @@ -1841,7 +1851,7 @@ yyreduce: ;} break; - case 67: + case 68: { if (zconf_endtoken((yyvsp[(1) - (1)].id), T_IF, T_ENDIF)) { @@ -1851,14 +1861,14 @@ yyreduce: ;} break; - case 73: + case 74: { menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL); ;} break; - case 74: + case 75: { menu_add_entry(NULL); @@ -1867,14 +1877,14 @@ yyreduce: ;} break; - case 75: + case 76: { (yyval.menu) = menu_add_menu(); ;} break; - case 76: + case 77: { if (zconf_endtoken((yyvsp[(1) - (1)].id), T_MENU, T_ENDMENU)) { @@ -1884,7 +1894,7 @@ yyreduce: ;} break; - case 82: + case 83: { printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string)); @@ -1892,7 +1902,7 @@ yyreduce: ;} break; - case 83: + case 84: { menu_add_entry(NULL); @@ -1901,14 +1911,14 @@ yyreduce: ;} break; - case 84: + case 85: { menu_end_entry(); ;} break; - case 85: + case 86: { printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno()); @@ -1916,14 +1926,14 @@ yyreduce: ;} break; - case 86: + case 87: { current_entry->help = (yyvsp[(2) - (2)].string); ;} break; - case 91: + case 92: { menu_add_dep((yyvsp[(3) - (4)].expr)); @@ -1931,85 +1941,92 @@ yyreduce: ;} break; - case 93: + case 96: + + { + menu_add_visibility((yyvsp[(2) - (2)].expr)); +;} + break; + + case 98: { menu_add_prompt(P_PROMPT, (yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].expr)); ;} break; - case 96: - - { (yyval.id) = (yyvsp[(1) - (2)].id); ;} - break; - - case 97: - - { (yyval.id) = (yyvsp[(1) - (2)].id); ;} - break; - - case 98: - - { (yyval.id) = (yyvsp[(1) - (2)].id); ;} - break; - case 101: - { (yyval.expr) = NULL; ;} + { (yyval.id) = (yyvsp[(1) - (2)].id); ;} break; case 102: - { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;} + { (yyval.id) = (yyvsp[(1) - (2)].id); ;} break; case 103: - { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;} - break; - - case 104: - - { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;} - break; - - case 105: - - { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;} + { (yyval.id) = (yyvsp[(1) - (2)].id); ;} break; case 106: - { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;} + { (yyval.expr) = NULL; ;} break; case 107: - { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;} + { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;} break; case 108: - { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;} + { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;} break; case 109: - { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;} + { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;} break; case 110: - { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;} + { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;} break; case 111: - { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;} + { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;} break; case 112: + { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;} + break; + + case 113: + + { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;} + break; + + case 114: + + { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;} + break; + + case 115: + + { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;} + break; + + case 116: + + { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;} + break; + + case 117: + { (yyval.string) = NULL; ;} break; @@ -2278,6 +2295,7 @@ static const char *zconf_tokenname(int token) case T_IF: return "if"; case T_ENDIF: return "endif"; case T_DEPENDS: return "depends"; + case T_VISIBLE: return "visible"; } return ""; } From dfc518dd6b5c5e00f98906eaa5c7d716d856c098 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 6 Nov 2010 18:30:25 -0300 Subject: [PATCH 010/138] Revert "i2c: Fix Kconfig dependencies" This reverts commit 0a57274ea026c2b7670683947b6cc08b195148cf. Signed-off-by: Arnaud Lacombe Signed-off-by: Mauro Carvalho Chehab --- drivers/i2c/Kconfig | 3 +-- drivers/i2c/algos/Kconfig | 12 ------------ 2 files changed, 1 insertion(+), 14 deletions(-) diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index b923074b2cbe..30f06e956bfb 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -75,8 +75,7 @@ config I2C_HELPER_AUTO In doubt, say Y. config I2C_SMBUS - tristate - prompt "SMBus-specific protocols" if !I2C_HELPER_AUTO + tristate "SMBus-specific protocols" if !I2C_HELPER_AUTO help Say Y here if you want support for SMBus extensions to the I2C specification. At the moment, the only supported extension is diff --git a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig index 3998dd620a03..7b2ce4a08524 100644 --- a/drivers/i2c/algos/Kconfig +++ b/drivers/i2c/algos/Kconfig @@ -15,15 +15,3 @@ config I2C_ALGOPCA tristate "I2C PCA 9564 interfaces" endmenu - -# In automatic configuration mode, we still have to define the -# symbols to avoid unmet dependencies. - -if I2C_HELPER_AUTO -config I2C_ALGOBIT - tristate -config I2C_ALGOPCF - tristate -config I2C_ALGOPCA - tristate -endif From 37e3273ee52fb995c1f531fa1d98d190cc35e1bc Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 6 Nov 2010 18:30:26 -0300 Subject: [PATCH 011/138] media/video: convert Kconfig to use the menu's `visible' keyword Signed-off-by: Arnaud Lacombe Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index ac16e815e275..6830d2848bd7 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -112,7 +112,7 @@ config VIDEO_IR_I2C # menu "Encoders/decoders and other helper chips" - depends on !VIDEO_HELPER_CHIPS_AUTO + visible if !VIDEO_HELPER_CHIPS_AUTO comment "Audio decoders" From c38bd4ffc7f24a99a14f9c776276e816f5de2509 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 6 Nov 2010 18:30:27 -0300 Subject: [PATCH 012/138] i2c/algos: convert Kconfig to use the menu's `visible' keyword Signed-off-by: Arnaud Lacombe Signed-off-by: Mauro Carvalho Chehab --- drivers/i2c/algos/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig index 7b2ce4a08524..f1cfe7e5508b 100644 --- a/drivers/i2c/algos/Kconfig +++ b/drivers/i2c/algos/Kconfig @@ -3,7 +3,7 @@ # menu "I2C Algorithms" - depends on !I2C_HELPER_AUTO + visible if !I2C_HELPER_AUTO config I2C_ALGOBIT tristate "I2C bit-banging interfaces" From 9b4320b77bab4031649c484da1c595f39c2e43cd Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 9 Nov 2010 14:29:05 -0300 Subject: [PATCH 013/138] [media] Fix Kconfig errors due to two visible menus Use the new visible Kconfig keyword to avoid producing error for two menus that are visible only if Tuner/frontend customise options are enabled. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/Kconfig | 8 ++++---- drivers/media/dvb/frontends/Kconfig | 5 +---- 2 files changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig index 2385e6cca635..78b089526e02 100644 --- a/drivers/media/common/tuners/Kconfig +++ b/drivers/media/common/tuners/Kconfig @@ -31,7 +31,7 @@ config MEDIA_TUNER select MEDIA_TUNER_TDA9887 if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_MC44S803 if !MEDIA_TUNER_CUSTOMISE -menuconfig MEDIA_TUNER_CUSTOMISE +config MEDIA_TUNER_CUSTOMISE bool "Customize analog and hybrid tuner modules to build" depends on MEDIA_TUNER default y if EMBEDDED @@ -44,7 +44,8 @@ menuconfig MEDIA_TUNER_CUSTOMISE If unsure say N. -if MEDIA_TUNER_CUSTOMISE +menu "Customize TV tuners" + visible if MEDIA_TUNER_CUSTOMISE config MEDIA_TUNER_SIMPLE tristate "Simple tuner support" @@ -185,5 +186,4 @@ config MEDIA_TUNER_TDA18218 default m if MEDIA_TUNER_CUSTOMISE help NXP TDA18218 silicon tuner driver. - -endif # MEDIA_TUNER_CUSTOMISE +endmenu diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index e9062b08a485..96b27016670e 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -12,9 +12,8 @@ config DVB_FE_CUSTOMISE If unsure say N. -if DVB_FE_CUSTOMISE - menu "Customise DVB Frontends" + visible if DVB_FE_CUSTOMISE comment "Multistandard (satellite) frontends" depends on DVB_CORE @@ -619,5 +618,3 @@ config DVB_DUMMY_FE tristate "Dummy frontend driver" default n endmenu - -endif From 09910509ebc74643e94fe6f3feb4c23b019aeb34 Mon Sep 17 00:00:00 2001 From: Glenn Sommer Date: Mon, 22 Nov 2010 12:00:05 -0800 Subject: [PATCH 014/138] Input: usbtouchscreen - add support for LG Flatron T1710B I've recently got my hands on a LG Flatron T1710B touchscreen. As other LG products, this seems to use the ITM panel. Signed-off-by: Glenn Sommer Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/usbtouchscreen.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index f45f80f6d336..73fd6642b681 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -178,6 +178,7 @@ static const struct usb_device_id usbtouch_devices[] = { #ifdef CONFIG_TOUCHSCREEN_USB_ITM {USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM}, + {USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM}, #endif #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO From c2d0879112825cddddd6c4f9b2645ff32acd6dc5 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 22 Nov 2010 16:31:35 -0800 Subject: [PATCH 015/138] xen: clean up "extra" memory handling some more Make sure that extra_pages is added for all E820_RAM regions beyond mem_end - completely excluded regions as well as the remains of partially included regions. Also makes sure the extra region is not unnecessarily high, and simplifies the logic to decide which regions should be added. Signed-off-by: Jeremy Fitzhardinge --- arch/x86/xen/setup.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 38fdffaa71d3..b85dceef56f7 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -182,24 +182,21 @@ char * __init xen_memory_setup(void) for (i = 0; i < memmap.nr_entries; i++) { unsigned long long end = map[i].addr + map[i].size; - if (map[i].type == E820_RAM) { - if (map[i].addr < mem_end && end > mem_end) { - /* Truncate region to max_mem. */ - u64 delta = end - mem_end; + if (map[i].type == E820_RAM && end > mem_end) { + /* RAM off the end - may be partially included */ + u64 delta = min(map[i].size, end - mem_end); - map[i].size -= delta; - extra_pages += PFN_DOWN(delta); + map[i].size -= delta; + end -= delta; - end = mem_end; - } + extra_pages += PFN_DOWN(delta); } - if (end > xen_extra_mem_start) + if (map[i].size > 0 && end > xen_extra_mem_start) xen_extra_mem_start = end; - /* If region is non-RAM or below mem_end, add what remains */ - if ((map[i].type != E820_RAM || map[i].addr < mem_end) && - map[i].size > 0) + /* Add region if any remains */ + if (map[i].size > 0) e820_add_region(map[i].addr, map[i].size, map[i].type); } From bc15fde77fc5d9ec2eec6066a5ab554ea1266a0a Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 22 Nov 2010 17:17:50 -0800 Subject: [PATCH 016/138] xen: use default_idle We just need the idle loop to drop into safe_halt, which default_idle() is perfectly capable of doing. There's no need to duplicate it. Signed-off-by: Jeremy Fitzhardinge --- arch/x86/xen/setup.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index b85dceef56f7..95fb68a8c20d 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -250,20 +250,6 @@ char * __init xen_memory_setup(void) return "Xen"; } -static void xen_idle(void) -{ - local_irq_disable(); - - if (need_resched()) - local_irq_enable(); - else { - current_thread_info()->status &= ~TS_POLLING; - smp_mb__after_clear_bit(); - safe_halt(); - current_thread_info()->status |= TS_POLLING; - } -} - /* * Set the bit indicating "nosegneg" library variants should be used. * We only need to bother in pure 32-bit mode; compat 32-bit processes @@ -360,7 +346,11 @@ void __init xen_arch_setup(void) MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ? COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE); - pm_idle = xen_idle; + /* Set up idle, making sure it calls safe_halt() pvop */ +#ifdef CONFIG_X86_32 + boot_cpu_data.hlt_works_ok = 1; +#endif + pm_idle = default_idle; fiddle_vdso(); } From c72b844ed2f55c442b464e382a2eb2ecab5292a8 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 22 Oct 2010 16:18:47 -0700 Subject: [PATCH 017/138] ibm_rtl: fix printk format warning Fix printk format warning: drivers/platform/x86/ibm_rtl.c:305:warning: format '%#llx' expects type 'long long unsigned int', but argument 2 has type 'phys_addr_t' Signed-off-by: Randy Dunlap Cc: Keith Mannthey Cc: Vernon Mauery Cc: platform-driver-x86@vger.kernel.org Cc: Matthew Garrett Signed-off-by: Matthew Garrett --- drivers/platform/x86/ibm_rtl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c index 3c2c6b91ecb3..a884f5498846 100644 --- a/drivers/platform/x86/ibm_rtl.c +++ b/drivers/platform/x86/ibm_rtl.c @@ -302,7 +302,7 @@ static int __init ibm_rtl_init(void) { RTL_DEBUG("rtl_cmd_width = %u, rtl_cmd_type = %u\n", rtl_cmd_width, rtl_cmd_type); addr = ioread32(&rtl_table->cmd_port_address); - RTL_DEBUG("addr = %#llx\n", addr); + RTL_DEBUG("addr = %#llx\n", (unsigned long long)addr); plen = rtl_cmd_width/sizeof(char); rtl_cmd_addr = rtl_port_map(addr, plen); RTL_DEBUG("rtl_cmd_addr = %#llx\n", (u64)rtl_cmd_addr); From a49010f53b723ed0711d645ec43bde498c6756dc Mon Sep 17 00:00:00 2001 From: Jon Dowland Date: Wed, 27 Oct 2010 00:24:59 +0100 Subject: [PATCH 018/138] toshiba_acpi.c: Add key_entry for a lone FN keypress MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A lone FN key press on a Toshiba Portégé R700 without another key in conjunction results in an ACPI event and a spurious error message on the console. Add a key entry to map this event to a KEY_FN keypress. This prevents the console message. Signed-off-by: Jon Dowland Signed-off-by: Matthew Garrett --- drivers/platform/x86/toshiba_acpi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 06f304f46e02..4276da7291b8 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -135,6 +135,7 @@ static const struct key_entry toshiba_acpi_keymap[] __initconst = { { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } }, { KE_KEY, 0x142, { KEY_WLAN } }, { KE_KEY, 0x143, { KEY_PROG1 } }, + { KE_KEY, 0x17f, { KEY_FN } }, { KE_KEY, 0xb05, { KEY_PROG2 } }, { KE_KEY, 0xb06, { KEY_WWW } }, { KE_KEY, 0xb07, { KEY_MAIL } }, From e599ab2556006398ba9aad536a58eedad515e807 Mon Sep 17 00:00:00 2001 From: Chris Bagwell Date: Mon, 25 Oct 2010 21:08:39 -0500 Subject: [PATCH 019/138] eeepc-wmi: add cpufv sysfs documentation Based on cpufv text from sysfs-platform-eeepc-laptop that has almost same behavior. Signed-off-by: Chris Bagwell Signed-off-by: Matthew Garrett Acked-by: Corentin Chary --- Documentation/ABI/testing/sysfs-platform-eeepc-wmi | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-eeepc-wmi diff --git a/Documentation/ABI/testing/sysfs-platform-eeepc-wmi b/Documentation/ABI/testing/sysfs-platform-eeepc-wmi new file mode 100644 index 000000000000..e4b5fef5fadd --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-eeepc-wmi @@ -0,0 +1,10 @@ +What: /sys/devices/platform/eeepc-wmi/cpufv +Date: Oct 2010 +KernelVersion: 2.6.37 +Contact: "Corentin Chary" +Description: + Change CPU clock configuration (write-only). + There are three available clock configuration: + * 0 -> Super Performance Mode + * 1 -> High Performance Mode + * 2 -> Power Saving Mode From d41014b92d60a6b375aad9b6ebc52201ee58df70 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Tue, 26 Oct 2010 12:25:37 +0200 Subject: [PATCH 020/138] drivers/platform/x86/thinkpad_acpi.c: delete double assignment Delete successive assignments to the same location. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression i; @@ *i = ...; i = ...; // Signed-off-by: Julia Lawall Signed-off-by: Matthew Garrett --- drivers/platform/x86/thinkpad_acpi.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 2d61186ad5a2..e8c21994b36d 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -8497,7 +8497,6 @@ static void ibm_exit(struct ibm_struct *ibm) ibm->acpi->type, dispatch_acpi_notify); ibm->flags.acpi_notify_installed = 0; - ibm->flags.acpi_notify_installed = 0; } if (ibm->flags.proc_created) { From a2262260f9eaee4acd56b5624b5d2bf4be9bb38a Mon Sep 17 00:00:00 2001 From: Vernon Mauery Date: Tue, 2 Nov 2010 13:08:10 -0700 Subject: [PATCH 021/138] ibm_rtl: Loosen the DMI criteria to all IBM machines Allow all IBM machines to pass the DMI check so that we don't have to add them one by one to the driver. Any IBM machine that has the _RTL_ table in the EBDA will work. Signed-off-by: Vernon Mauery Signed-off-by: Matthew Garrett --- drivers/platform/x86/ibm_rtl.c | 29 +++++------------------------ 1 file changed, 5 insertions(+), 24 deletions(-) diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c index a884f5498846..5c975edb3c81 100644 --- a/drivers/platform/x86/ibm_rtl.c +++ b/drivers/platform/x86/ibm_rtl.c @@ -220,32 +220,13 @@ static void rtl_teardown_sysfs(void) { sysdev_class_unregister(&class_rtl); } -static int dmi_check_cb(const struct dmi_system_id *id) -{ - RTL_DEBUG("found IBM server '%s'\n", id->ident); - return 0; -} - -#define ibm_dmi_entry(NAME, TYPE) \ -{ \ - .ident = NAME, \ - .matches = { \ - DMI_MATCH(DMI_SYS_VENDOR, "IBM"), \ - DMI_MATCH(DMI_PRODUCT_NAME, TYPE), \ - }, \ - .callback = dmi_check_cb \ -} static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = { - ibm_dmi_entry("BladeCenter LS21", "7971"), - ibm_dmi_entry("BladeCenter LS22", "7901"), - ibm_dmi_entry("BladeCenter HS21 XM", "7995"), - ibm_dmi_entry("BladeCenter HS22", "7870"), - ibm_dmi_entry("BladeCenter HS22V", "7871"), - ibm_dmi_entry("System x3550 M2", "7946"), - ibm_dmi_entry("System x3650 M2", "7947"), - ibm_dmi_entry("System x3550 M3", "7944"), - ibm_dmi_entry("System x3650 M3", "7945"), + { \ + .matches = { \ + DMI_MATCH(DMI_SYS_VENDOR, "IBM"), \ + }, \ + }, { } }; From 1d37db77c1aa199ae9a4114af7c0412c8417e949 Mon Sep 17 00:00:00 2001 From: Vernon Mauery Date: Tue, 2 Nov 2010 13:08:11 -0700 Subject: [PATCH 022/138] ibm_rtl: _RTL_ is not available in UEFI mode Some of the IBM servers that are supported by ibm_rtl can run in both Legacy mode (BIOS) and in UEFI mode. When running in UEFI mode, it is possible that the EBDA table exists but cannot be mapped and reports errors. We need to make sure that by default we don't try to probe the machines if they are running in UEFI mode. Signed-off-by: Vernon Mauery Signed-off-by: Matthew Garrett --- drivers/platform/x86/ibm_rtl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c index 5c975edb3c81..94a114aa8e28 100644 --- a/drivers/platform/x86/ibm_rtl.c +++ b/drivers/platform/x86/ibm_rtl.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include @@ -238,7 +239,7 @@ static int __init ibm_rtl_init(void) { if (force) pr_warning("ibm-rtl: module loaded by force\n"); /* first ensure that we are running on IBM HW */ - else if (!dmi_check_system(ibm_rtl_dmi_table)) + else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table)) return -ENODEV; /* Get the address for the Extended BIOS Data Area */ From 67fa38ec097a3e270ab175636338185017b49fa7 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Wed, 3 Nov 2010 11:14:01 -0700 Subject: [PATCH 023/138] eeepc-wmi: fix compiler warning This fixes the following: CC [M] drivers/platform/x86/eeepc-wmi.o drivers/platform/x86/eeepc-wmi.c:322: warning: initialization from incompatible pointer type Signed-off-by: Dmitry Torokhov Signed-off-by: Matthew Garrett --- drivers/platform/x86/eeepc-wmi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 462ceab93f87..0d50fbbe2478 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -298,8 +298,8 @@ static void eeepc_wmi_notify(u32 value, void *context) kfree(obj); } -static int store_cpufv(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { int value; struct acpi_buffer input = { (acpi_size)sizeof(value), &value }; From ba1ff5be52163a97ac4ce8bc51beae2c96861a43 Mon Sep 17 00:00:00 2001 From: Corentin Chary Date: Sun, 14 Nov 2010 17:40:12 +0100 Subject: [PATCH 024/138] asus-laptop: add wimax and wwan support Asus UL30A has a 3G chip, but the radio is disabled by default. The DSDT also reference a WIMAX device, which is not present on this model. This patch adds two new files: wwan and wimax to control WWAN and WIMAX devices. It does not use rfkill, because like WLED and BLED, we don't know yet that the two ACPI functions will always control the radio, they may control only the leds on some hardware. We may add rfkill switchs later. Signed-off-by: Corentin Chary Signed-off-by: Matthew Garrett --- .../ABI/testing/sysfs-platform-asus-laptop | 16 ++- drivers/platform/x86/asus-laptop.c | 97 ++++++++++++++++++- 2 files changed, 111 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop index 1d775390e856..41ff8ae4dee0 100644 --- a/Documentation/ABI/testing/sysfs-platform-asus-laptop +++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop @@ -47,6 +47,20 @@ Date: January 2007 KernelVersion: 2.6.20 Contact: "Corentin Chary" Description: - Control the bluetooth device. 1 means on, 0 means off. + Control the wlan device. 1 means on, 0 means off. This may control the led, the device or both. Users: Lapsus + +What: /sys/devices/platform/asus_laptop/wimax +Date: October 2010 +KernelVersion: 2.6.37 +Contact: "Corentin Chary" +Description: + Control the wimax device. 1 means on, 0 means off. + +What: /sys/devices/platform/asus_laptop/wwan +Date: October 2010 +KernelVersion: 2.6.37 +Contact: "Corentin Chary" +Description: + Control the wwan (3G) device. 1 means on, 0 means off. diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 60a5a5c6b50a..d235f44fd7a3 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -81,6 +81,8 @@ MODULE_PARM_DESC(wapf, "WAPF value"); static int wlan_status = 1; static int bluetooth_status = 1; +static int wimax_status = -1; +static int wwan_status = -1; module_param(wlan_status, int, 0444); MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " @@ -92,6 +94,16 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " "(0 = disabled, 1 = enabled, -1 = don't do anything). " "default is 1"); +module_param(wimax_status, int, 0444); +MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot " + "(0 = disabled, 1 = enabled, -1 = don't do anything). " + "default is 1"); + +module_param(wwan_status, int, 0444); +MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " + "(0 = disabled, 1 = enabled, -1 = don't do anything). " + "default is 1"); + /* * Some events we use, same for all Asus */ @@ -114,6 +126,8 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " */ #define WL_RSTS 0x01 /* internal Wifi */ #define BT_RSTS 0x02 /* internal Bluetooth */ +#define WM_RSTS 0x08 /* internal wimax */ +#define WW_RSTS 0x20 /* internal wwan */ /* LED */ #define METHOD_MLED "MLED" @@ -132,6 +146,11 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " */ #define METHOD_WLAN "WLED" #define METHOD_BLUETOOTH "BLED" + +/* WWAN and WIMAX */ +#define METHOD_WWAN "GSMC" +#define METHOD_WIMAX "WMXC" + #define METHOD_WL_STATUS "RSTS" /* Brightness */ @@ -882,6 +901,64 @@ static ssize_t store_bluetooth(struct device *dev, return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); } +/* + * Wimax + */ +static int asus_wimax_set(struct asus_laptop *asus, int status) +{ + if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) { + pr_warning("Error setting wimax status to %d", status); + return -EIO; + } + return 0; +} + +static ssize_t show_wimax(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_laptop *asus = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS)); +} + +static ssize_t store_wimax(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + struct asus_laptop *asus = dev_get_drvdata(dev); + + return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX); +} + +/* + * Wwan + */ +static int asus_wwan_set(struct asus_laptop *asus, int status) +{ + if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) { + pr_warning("Error setting wwan status to %d", status); + return -EIO; + } + return 0; +} + +static ssize_t show_wwan(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_laptop *asus = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS)); +} + +static ssize_t store_wwan(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + struct asus_laptop *asus = dev_get_drvdata(dev); + + return sysfs_acpi_set(asus, buf, count, METHOD_WWAN); +} + /* * Display */ @@ -1202,6 +1279,8 @@ static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth, store_bluetooth); +static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax); +static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan); static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); @@ -1212,6 +1291,8 @@ static struct attribute *asus_attributes[] = { &dev_attr_infos.attr, &dev_attr_wlan.attr, &dev_attr_bluetooth.attr, + &dev_attr_wimax.attr, + &dev_attr_wwan.attr, &dev_attr_display.attr, &dev_attr_ledd.attr, &dev_attr_ls_level.attr, @@ -1239,6 +1320,13 @@ static mode_t asus_sysfs_is_visible(struct kobject *kobj, } else if (attr == &dev_attr_display.attr) { supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL); + } else if (attr == &dev_attr_wimax.attr) { + supported = + !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL); + + } else if (attr == &dev_attr_wwan.attr) { + supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL); + } else if (attr == &dev_attr_ledd.attr) { supported = !acpi_check_handle(handle, METHOD_LEDD, NULL); @@ -1397,7 +1485,8 @@ static int asus_laptop_get_info(struct asus_laptop *asus) /* * The HWRS method return informations about the hardware. - * 0x80 bit is for WLAN, 0x100 for Bluetooth. + * 0x80 bit is for WLAN, 0x100 for Bluetooth, + * 0x40 for WWAN, 0x10 for WIMAX. * The significance of others is yet to be found. */ status = @@ -1440,6 +1529,12 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus) if (wlan_status >= 0) asus_wlan_set(asus, !!wlan_status); + if (wimax_status >= 0) + asus_wimax_set(asus, !!wimax_status); + + if (wwan_status >= 0) + asus_wwan_set(asus, !!wwan_status); + /* Keyboard Backlight is on by default */ if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) asus_kled_set(asus, 1); From 92f61cbc614fb422759790739cbd3e5a68c9a6fc Mon Sep 17 00:00:00 2001 From: Anisse Astier Date: Thu, 18 Nov 2010 13:00:53 +0100 Subject: [PATCH 025/138] msi-wmi: Add mute key support Add new MUTE key seen on Medion Akoya AIO PC P4010D using MSI motherboard (Product Name: MS-7621) Reported-and-tested-by: Mark Huijgen Signed-off-by: Anisse Astier Signed-off-by: Matthew Garrett --- drivers/platform/x86/msi-wmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index 42a5469a2459..bde607d98d6f 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -48,11 +48,13 @@ MODULE_ALIAS("wmi:B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2"); #define MSI_WMI_BRIGHTNESSDOWN (KEYCODE_BASE + 1) #define MSI_WMI_VOLUMEUP (KEYCODE_BASE + 2) #define MSI_WMI_VOLUMEDOWN (KEYCODE_BASE + 3) +#define MSI_WMI_MUTE (KEYCODE_BASE + 4) static struct key_entry msi_wmi_keymap[] = { { KE_KEY, MSI_WMI_BRIGHTNESSUP, {KEY_BRIGHTNESSUP} }, { KE_KEY, MSI_WMI_BRIGHTNESSDOWN, {KEY_BRIGHTNESSDOWN} }, { KE_KEY, MSI_WMI_VOLUMEUP, {KEY_VOLUMEUP} }, { KE_KEY, MSI_WMI_VOLUMEDOWN, {KEY_VOLUMEDOWN} }, + { KE_KEY, MSI_WMI_MUTE, {KEY_MUTE} }, { KE_END, 0} }; static ktime_t last_pressed[ARRAY_SIZE(msi_wmi_keymap) - 1]; From a80e1cd70144fe7727f2e2d838611b6b8cf8a6d5 Mon Sep 17 00:00:00 2001 From: Anisse Astier Date: Thu, 18 Nov 2010 13:00:54 +0100 Subject: [PATCH 026/138] msi-wmi: fix semantically incorrect use of keycode instead of scancode MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I didn't know the difference between the two when I wrote this code in commit c30116c6f0d26cd6e46dfa578163d573ef4730b2. Signed-off-by: Anisse Astier Signed-off-by: Matthew Garrett --- drivers/platform/x86/msi-wmi.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index bde607d98d6f..35278ad7e628 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -43,12 +43,12 @@ MODULE_ALIAS("wmi:B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2"); #define dprintk(msg...) pr_debug(DRV_PFX msg) -#define KEYCODE_BASE 0xD0 -#define MSI_WMI_BRIGHTNESSUP KEYCODE_BASE -#define MSI_WMI_BRIGHTNESSDOWN (KEYCODE_BASE + 1) -#define MSI_WMI_VOLUMEUP (KEYCODE_BASE + 2) -#define MSI_WMI_VOLUMEDOWN (KEYCODE_BASE + 3) -#define MSI_WMI_MUTE (KEYCODE_BASE + 4) +#define SCANCODE_BASE 0xD0 +#define MSI_WMI_BRIGHTNESSUP SCANCODE_BASE +#define MSI_WMI_BRIGHTNESSDOWN (SCANCODE_BASE + 1) +#define MSI_WMI_VOLUMEUP (SCANCODE_BASE + 2) +#define MSI_WMI_VOLUMEDOWN (SCANCODE_BASE + 3) +#define MSI_WMI_MUTE (SCANCODE_BASE + 4) static struct key_entry msi_wmi_keymap[] = { { KE_KEY, MSI_WMI_BRIGHTNESSUP, {KEY_BRIGHTNESSUP} }, { KE_KEY, MSI_WMI_BRIGHTNESSDOWN, {KEY_BRIGHTNESSDOWN} }, @@ -171,7 +171,7 @@ static void msi_wmi_notify(u32 value, void *context) ktime_t diff; cur = ktime_get_real(); diff = ktime_sub(cur, last_pressed[key->code - - KEYCODE_BASE]); + SCANCODE_BASE]); /* Ignore event if the same event happened in a 50 ms timeframe -> Key press may result in 10-20 GPEs */ if (ktime_to_us(diff) < 1000 * 50) { @@ -180,7 +180,7 @@ static void msi_wmi_notify(u32 value, void *context) key->code, ktime_to_us(diff)); return; } - last_pressed[key->code - KEYCODE_BASE] = cur; + last_pressed[key->code - SCANCODE_BASE] = cur; if (key->type == KE_KEY && /* Brightness is served via acpi video driver */ From 53c96dfdd0c0ccbba7aee84c60ce0f2aa466413f Mon Sep 17 00:00:00 2001 From: Zeng Zhaoming Date: Fri, 19 Nov 2010 00:46:19 +0800 Subject: [PATCH 027/138] ACPI, hp-wmi: Fix memory leak in acpi query Free acpi return memory after query. Signed-off-by: Zeng Zhaoming Signed-off-by: Matthew Garrett --- drivers/platform/x86/hp-wmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 1dac659b5e0c..9e05af9c41cb 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -172,6 +172,8 @@ static int hp_wmi_perform_query(int query, int write, u32 *buffer, bios_return = *((struct bios_return *)obj->buffer.pointer); memcpy(buffer, &bios_return.value, sizeof(bios_return.value)); + + kfree(obj); return 0; } From e5843341e3ad8ff00332376cd0745026e4b5d45f Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Wed, 24 Nov 2010 09:48:10 +0000 Subject: [PATCH 028/138] dma: shdma: add a MODULE_ALIAS() to allow module autoloading Signed-off-by: Guennadi Liakhovetski Signed-off-by: Paul Mundt --- drivers/dma/shdma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index eb6b54dbb806..85ffd5e38c50 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -1213,3 +1213,4 @@ module_exit(sh_dmae_exit); MODULE_AUTHOR("Nobuhiro Iwamatsu "); MODULE_DESCRIPTION("Renesas SH DMA Engine driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:sh-dma-engine"); From 22a95949d03548cb346d81d71ce6c64dc273f421 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 26 Nov 2010 05:20:25 +0000 Subject: [PATCH 029/138] framebuffer: fix fbcmap.c kernel-doc warning Fix kernel-doc warning in fbcmap.c: Warning(drivers/video/fbcmap.c:92): No description found for parameter 'flags' Signed-off-by: Randy Dunlap Signed-off-by: Paul Mundt --- drivers/video/fbcmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c index affdf3e32cf3..5c3960da755a 100644 --- a/drivers/video/fbcmap.c +++ b/drivers/video/fbcmap.c @@ -80,6 +80,7 @@ static const struct fb_cmap default_16_colors = { * @cmap: frame buffer colormap structure * @len: length of @cmap * @transp: boolean, 1 if there is transparency, 0 otherwise + * @flags: flags for kmalloc memory allocation * * Allocates memory for a colormap @cmap. @len is the * number of entries in the palette. From 49f4138346b3cec2706adff02658fe27ceb1e46f Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Fri, 26 Nov 2010 13:42:47 +0100 Subject: [PATCH 030/138] printk: Fix wake_up_klogd() vs cpu hotplug wake_up_klogd() may get called from preemptible context but uses __raw_get_cpu_var() to write to a per cpu variable. If it gets preempted between getting the address and writing to it, the cpu in question could be offline if the process gets scheduled back and hence writes to the per cpu data of an offline cpu. This buggy behaviour was introduced with fa33507a "printk: robustify printk, fix #2" which was supposed to fix a "using smp_processor_id() in preemptible" warning. Let's use this_cpu_write() instead which disables preemption and makes sure that the outlined scenario cannot happen. Signed-off-by: Heiko Carstens Acked-by: Eric Dumazet Signed-off-by: Peter Zijlstra LKML-Reference: <20101126124247.GC7023@osiris.boeblingen.de.ibm.com> Signed-off-by: Ingo Molnar --- kernel/printk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/printk.c b/kernel/printk.c index 9a2264fc42ca..cf7588e93f6f 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1088,7 +1088,7 @@ int printk_needs_cpu(int cpu) void wake_up_klogd(void) { if (waitqueue_active(&log_wait)) - __raw_get_cpu_var(printk_pending) = 1; + this_cpu_write(printk_pending, 1); } /** From 61ab25447ad6334a74e32f60efb135a3467223f8 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Fri, 26 Nov 2010 13:00:59 +0100 Subject: [PATCH 031/138] nohz: Fix printk_needs_cpu() return value on offline cpus This patch fixes a hang observed with 2.6.32 kernels where timers got enqueued on offline cpus. printk_needs_cpu() may return 1 if called on offline cpus. When a cpu gets offlined it schedules the idle process which, before killing its own cpu, will call tick_nohz_stop_sched_tick(). That function in turn will call printk_needs_cpu() in order to check if the local tick can be disabled. On offline cpus this function should naturally return 0 since regardless if the tick gets disabled or not the cpu will be dead short after. That is besides the fact that __cpu_disable() should already have made sure that no interrupts on the offlined cpu will be delivered anyway. In this case it prevents tick_nohz_stop_sched_tick() to call select_nohz_load_balancer(). No idea if that really is a problem. However what made me debug this is that on 2.6.32 the function get_nohz_load_balancer() is used within __mod_timer() to select a cpu on which a timer gets enqueued. If printk_needs_cpu() returns 1 then the nohz_load_balancer cpu doesn't get updated when a cpu gets offlined. It may contain the cpu number of an offline cpu. In turn timers get enqueued on an offline cpu and not very surprisingly they never expire and cause system hangs. This has been observed 2.6.32 kernels. On current kernels __mod_timer() uses get_nohz_timer_target() which doesn't have that problem. However there might be other problems because of the too early exit tick_nohz_stop_sched_tick() in case a cpu goes offline. Easiest way to fix this is just to test if the current cpu is offline and call printk_tick() directly which clears the condition. Alternatively I tried a cpu hotplug notifier which would clear the condition, however between calling the notifier function and printk_needs_cpu() something could have called printk() again and the problem is back again. This seems to be the safest fix. Signed-off-by: Heiko Carstens Signed-off-by: Peter Zijlstra Cc: stable@kernel.org LKML-Reference: <20101126120235.406766476@de.ibm.com> Signed-off-by: Ingo Molnar --- kernel/printk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/printk.c b/kernel/printk.c index cf7588e93f6f..a23315dc4498 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1082,6 +1082,8 @@ void printk_tick(void) int printk_needs_cpu(int cpu) { + if (unlikely(cpu_is_offline(cpu))) + printk_tick(); return per_cpu(printk_pending, cpu); } From e7a3481c0246c8e45e79c629efd63b168e91fcda Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 25 Oct 2010 16:53:46 -0700 Subject: [PATCH 032/138] x86/pvclock: Zero last_value on resume If the guest domain has been suspend/resumed or migrated, then the system clock backing the pvclock clocksource may revert to a smaller value (ie, can be non-monotonic across the migration/save-restore). Make sure we zero last_value in that case so that the domain continues to see clock updates. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/include/asm/pvclock.h | 1 + arch/x86/kernel/pvclock.c | 5 +++++ arch/x86/xen/time.c | 2 ++ 3 files changed, 8 insertions(+) diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h index 7f7e577a0e39..31d84acc1512 100644 --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -11,6 +11,7 @@ unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src); void pvclock_read_wallclock(struct pvclock_wall_clock *wall, struct pvclock_vcpu_time_info *vcpu, struct timespec *ts); +void pvclock_resume(void); /* * Scale a 64-bit delta by scaling and multiplying by a 32-bit fraction, diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 008b91eefa18..42eb3300dfc6 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -83,6 +83,11 @@ unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src) static atomic64_t last_value = ATOMIC64_INIT(0); +void pvclock_resume(void) +{ + atomic64_set(&last_value, 0); +} + cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) { struct pvclock_shadow_time shadow; diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index b2bb5aa3b054..5da5e53fb94c 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -426,6 +426,8 @@ void xen_timer_resume(void) { int cpu; + pvclock_resume(); + if (xen_clockevent != &xen_vcpuop_clockevent) return; From 4bd5d259e451d35380de2fcd1a3510ae22d000a3 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 26 Nov 2010 09:40:22 +0000 Subject: [PATCH 033/138] sh: Add div6_reparent_clks to clock framework for FSI Current clk_ops doesn't support .init which is used to select external clock on ecovec without CONFIG_SH_CLK_CPG_LEGACY. To solve this problem, this patch add div6_reparent_clks to clock-sh7724. This patch solve compile error too. Signed-off-by: Kuninori Morimoto Signed-off-by: Paul Mundt --- arch/sh/boards/mach-ecovec24/setup.c | 34 +++----------------- arch/sh/include/cpu-sh4/cpu/sh7724.h | 3 ++ arch/sh/kernel/cpu/sh4a/clock-sh7724.c | 44 +++++++++++++++++++++++--- 3 files changed, 46 insertions(+), 35 deletions(-) diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 2eaeb9e59585..f48c492a68d3 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -720,32 +720,6 @@ static struct platform_device camera_devices[] = { }; /* FSI */ -/* - * FSI-B use external clock which came from da7210. - * So, we should change parent of fsi - */ -#define FCLKBCR 0xa415000c -static void fsimck_init(struct clk *clk) -{ - u32 status = __raw_readl(clk->enable_reg); - - /* use external clock */ - status &= ~0x000000ff; - status |= 0x00000080; - - __raw_writel(status, clk->enable_reg); -} - -static struct clk_ops fsimck_clk_ops = { - .init = fsimck_init, -}; - -static struct clk fsimckb_clk = { - .ops = &fsimck_clk_ops, - .enable_reg = (void __iomem *)FCLKBCR, - .rate = 0, /* unknown */ -}; - static struct sh_fsi_platform_info fsi_info = { .portb_flags = SH_FSI_BRS_INV | SH_FSI_OUT_SLAVE_MODE | @@ -1264,10 +1238,10 @@ static int __init arch_setup(void) /* change parent of FSI B */ clk = clk_get(NULL, "fsib_clk"); if (!IS_ERR(clk)) { - clk_register(&fsimckb_clk); - clk_set_parent(clk, &fsimckb_clk); - clk_set_rate(clk, 11000); - clk_set_rate(&fsimckb_clk, 11000); + /* 48kHz dummy clock was used to make sure 1/1 divide */ + clk_set_rate(&sh7724_fsimckb_clk, 48000); + clk_set_parent(clk, &sh7724_fsimckb_clk); + clk_set_rate(clk, 48000); clk_put(clk); } diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h index 4c27b68789b3..7eb435999426 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7724.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h @@ -303,4 +303,7 @@ enum { SHDMA_SLAVE_SDHI1_RX, }; +extern struct clk sh7724_fsimcka_clk; +extern struct clk sh7724_fsimckb_clk; + #endif /* __ASM_SH7724_H__ */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c index 0fe2e9329cb2..271c0b325a9a 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c @@ -111,12 +111,21 @@ static struct clk div3_clk = { .parent = &pll_clk, }; +/* External input clock (pin name: FSIMCKA/FSIMCKB ) */ +struct clk sh7724_fsimcka_clk = { +}; + +struct clk sh7724_fsimckb_clk = { +}; + static struct clk *main_clks[] = { &r_clk, &extal_clk, &fll_clk, &pll_clk, &div3_clk, + &sh7724_fsimcka_clk, + &sh7724_fsimckb_clk, }; static void div4_kick(struct clk *clk) @@ -154,16 +163,38 @@ struct clk div4_clks[DIV4_NR] = { [DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT), }; -enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR }; +enum { DIV6_V, DIV6_I, DIV6_S, DIV6_NR }; static struct clk div6_clks[DIV6_NR] = { [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0), - [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0), - [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0), [DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0), [DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT), }; +enum { DIV6_FA, DIV6_FB, DIV6_REPARENT_NR }; + +/* Indices are important - they are the actual src selecting values */ +static struct clk *fclkacr_parent[] = { + [0] = &div3_clk, + [1] = NULL, + [2] = &sh7724_fsimcka_clk, + [3] = NULL, +}; + +static struct clk *fclkbcr_parent[] = { + [0] = &div3_clk, + [1] = NULL, + [2] = &sh7724_fsimckb_clk, + [3] = NULL, +}; + +static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { + [DIV6_FA] = SH_CLK_DIV6_EXT(&div3_clk, FCLKACR, 0, + fclkacr_parent, ARRAY_SIZE(fclkacr_parent), 6, 2), + [DIV6_FB] = SH_CLK_DIV6_EXT(&div3_clk, FCLKBCR, 0, + fclkbcr_parent, ARRAY_SIZE(fclkbcr_parent), 6, 2), +}; + static struct clk mstp_clks[HWBLK_NR] = { SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT), SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT), @@ -240,8 +271,8 @@ static struct clk_lookup lookups[] = { /* DIV6 clocks */ CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]), - CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]), - CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FB]), + CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FA]), + CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FB]), CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]), CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]), @@ -375,6 +406,9 @@ int __init arch_clk_init(void) if (!ret) ret = sh_clk_div6_register(div6_clks, DIV6_NR); + if (!ret) + ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR); + if (!ret) ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR); From 193006f7e3b1abd42d7a3677b54fa2996461a842 Mon Sep 17 00:00:00 2001 From: Vasiliy Kulikov Date: Fri, 26 Nov 2010 17:06:28 +0000 Subject: [PATCH 034/138] sh: boards: mach-se: use IS_ERR() instead of NULL check clk_get() returns ERR_PTR() on error, not NULL. Signed-off-by: Vasiliy Kulikov Reviewed-by: Guennadi Liakhovetski Signed-off-by: Paul Mundt --- arch/sh/boards/mach-se/7724/setup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index c31d228fdfc6..673530500e27 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -871,14 +871,14 @@ static int __init devices_setup(void) /* set SPU2 clock to 83.4 MHz */ clk = clk_get(NULL, "spu_clk"); - if (clk) { + if (!IS_ERR(clk)) { clk_set_rate(clk, clk_round_rate(clk, 83333333)); clk_put(clk); } /* change parent of FSI A */ clk = clk_get(NULL, "fsia_clk"); - if (clk) { + if (!IS_ERR(clk)) { clk_register(&fsimcka_clk); clk_set_parent(clk, &fsimcka_clk); clk_set_rate(clk, 11000); From ac70eb1305d5a81efd1e32327d7e79be15a63a5a Mon Sep 17 00:00:00 2001 From: Daniel T Chen Date: Sat, 27 Nov 2010 13:58:04 -0500 Subject: [PATCH 035/138] ALSA: hda: Use BIOS auto-parsing instead of existing model quirk for MEDION MD2 BugLink: https://launchpad.net/bugs/682199 A 2.6.35 (Ubuntu Maverick) user, burningphantom1, reported a regression in audio: playback was inaudible through both speakers and headphones. In commit 272a527c04 of sound-2.6.git, a new model was added with this machine's PCI SSID. Fortunately, it is now sufficient to use the auto model for BIOS auto-parsing instead of the existing quirk. Playback, capture, and jack sense were verified working for both 2.6.35 and the alsa-driver snapshot from 2010-11-27 when model=auto is used. Reported-and-tested-by: burningphantom1 Cc: [2.6.35+] Signed-off-by: Daniel T Chen Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 886d7c72936e..8fddc9d08726 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9865,7 +9865,6 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3bfc, "Lenovo NB0763", ALC883_LENOVO_NB0763), SND_PCI_QUIRK(0x17aa, 0x3bfd, "Lenovo NB0763", ALC883_LENOVO_NB0763), SND_PCI_QUIRK(0x17aa, 0x101d, "Lenovo Sky", ALC888_LENOVO_SKY), - SND_PCI_QUIRK(0x17c0, 0x4071, "MEDION MD2", ALC883_MEDION_MD2), SND_PCI_QUIRK(0x17c0, 0x4085, "MEDION MD96630", ALC888_LENOVO_MS7195_DIG), SND_PCI_QUIRK(0x17f2, 0x5000, "Albatron KI690-AM2", ALC883_6ST_DIG), SND_PCI_QUIRK(0x1991, 0x5625, "Haier W66", ALC883_HAIER_W66), From 44266416f786514ec43a0d15ad951c34566b99c9 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Mon, 29 Nov 2010 18:46:22 +0300 Subject: [PATCH 036/138] ARM: cns3xxx: Fix build with CONFIG_PCI=y commit 6338a6aa7c082f11d55712251e14178c68bf5869 ("ARM: 6269/1: Add 'code' parameter for hook_fault_code()") breaks CNS3xxx build: CC arch/arm/mach-cns3xxx/pcie.o pcie.c: In function 'cns3xxx_pcie_init': pcie.c:373: warning: passing argument 4 of 'hook_fault_code' makes integer from pointer without a cast pcie.c:373: error: too few arguments to function 'hook_fault_code' This commit fixes the small issue. Cc: stable@kernel.org [36] Signed-off-by: Anton Vorontsov --- arch/arm/mach-cns3xxx/pcie.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c index 38088c36936c..78defd71a829 100644 --- a/arch/arm/mach-cns3xxx/pcie.c +++ b/arch/arm/mach-cns3xxx/pcie.c @@ -369,7 +369,7 @@ static int __init cns3xxx_pcie_init(void) { int i; - hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, + hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, 0, "imprecise external abort"); for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) { From d65c3768afb47fb93c43fbfcafef53502edaaa85 Mon Sep 17 00:00:00 2001 From: Simon Wood Date: Mon, 29 Nov 2010 17:41:23 +0100 Subject: [PATCH 037/138] HID: add support for F430 Force Feedback Wheel This patch adds USB IDs to enable force feedback on the Thrustmaster F430 wheel. Antonio did the work, I just converted to git patch to include in Kernel. Reported-by: Antonio Orefice Signed-off-by: Simon Wood Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 1 + drivers/hid/hid-tmff.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 7832b6e2478b..7854a7988fcd 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1386,6 +1386,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c index 15434c814793..25be4e1461bd 100644 --- a/drivers/hid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -256,6 +256,8 @@ static const struct hid_device_id tm_devices[] = { .driver_data = (unsigned long)ff_joystick }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */ .driver_data = (unsigned long)ff_joystick }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a), /* F430 Force Feedback Wheel */ + .driver_data = (unsigned long)ff_joystick }, { } }; MODULE_DEVICE_TABLE(hid, tm_devices); From 5a8f1d4701a50bc2a1e112f6c8e7d30f63597eae Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 17:39:10 +0800 Subject: [PATCH 038/138] ASoC: Fix compile error for nuc900-ac97.c Fix below compile error by add a missing ';'. CC sound/soc/nuc900/nuc900-ac97.o sound/soc/nuc900/nuc900-ac97.c:300: warning: initialization from incompatible pointer type sound/soc/nuc900/nuc900-ac97.c:301: warning: initialization from incompatible pointer type sound/soc/nuc900/nuc900-ac97.c:318: error: expected ',' or ';' before 'static' sound/soc/nuc900/nuc900-ac97.c:405: error: 'nuc900_ac97_drvprobe' undeclared here (not in a function) make[3]: *** [sound/soc/nuc900/nuc900-ac97.o] Error 1 make[2]: *** [sound/soc/nuc900] Error 2 make[1]: *** [sound/soc] Error 2 make: *** [sound] Error 2 Signed-off-by: Axel Lin Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/nuc900/nuc900-ac97.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c index e00e39dd6576..4f056b4a102b 100644 --- a/sound/soc/nuc900/nuc900-ac97.c +++ b/sound/soc/nuc900/nuc900-ac97.c @@ -313,7 +313,7 @@ static struct snd_soc_dai_driver nuc900_ac97_dai = { .channels_max = 2, }, .ops = &nuc900_ac97_dai_ops, -} +}; static int __devinit nuc900_ac97_drvprobe(struct platform_device *pdev) { From e3edefbd4a9071daf388978355f69c37fbeae261 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 17:40:05 +0800 Subject: [PATCH 039/138] ASoC: Fix prototype for nuc900_ac97_probe and nuc900_ac97_remove This patch fixes below compile warning: CC sound/soc/nuc900/nuc900-ac97.o sound/soc/nuc900/nuc900-ac97.c:300: warning: initialization from incompatible pointer type sound/soc/nuc900/nuc900-ac97.c:301: warning: initialization from incompatible pointer type Signed-off-by: Axel Lin Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/nuc900/nuc900-ac97.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c index 4f056b4a102b..3d9d8b1636b2 100644 --- a/sound/soc/nuc900/nuc900-ac97.c +++ b/sound/soc/nuc900/nuc900-ac97.c @@ -263,8 +263,7 @@ static int nuc900_ac97_trigger(struct snd_pcm_substream *substream, return ret; } -static int nuc900_ac97_probe(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int nuc900_ac97_probe(struct snd_soc_dai *dai) { struct nuc900_audio *nuc900_audio = nuc900_ac97_data; unsigned long val; @@ -284,12 +283,12 @@ static int nuc900_ac97_probe(struct platform_device *pdev, return 0; } -static void nuc900_ac97_remove(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int nuc900_ac97_remove(struct snd_soc_dai *dai) { struct nuc900_audio *nuc900_audio = nuc900_ac97_data; clk_disable(nuc900_audio->clk); + return 0; } static struct snd_soc_dai_ops nuc900_ac97_dai_ops = { From a7a9820bae19775df1d6cc70d2571ee26e099413 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 17:40:53 +0800 Subject: [PATCH 040/138] ASoC: Fix compile error for nuc900-pcm.c This patch fixes below error: CC sound/soc/nuc900/nuc900-pcm.o sound/soc/nuc900/nuc900-pcm.c: In function 'nuc900_dma_open': sound/soc/nuc900/nuc900-pcm.c:267: error: 'nuc900_ac97_data' undeclared (first use in this function) sound/soc/nuc900/nuc900-pcm.c:267: error: (Each undeclared identifier is reported only once sound/soc/nuc900/nuc900-pcm.c:267: error: for each function it appears in.) sound/soc/nuc900/nuc900-pcm.c: At top level: sound/soc/nuc900/nuc900-pcm.c:337: error: expected ',' or ';' before 'static' sound/soc/nuc900/nuc900-pcm.c:354: error: 'nuc900_soc_platform_probe' undeclared here (not in a function) make[3]: *** [sound/soc/nuc900/nuc900-pcm.o] Error 1 make[2]: *** [sound/soc/nuc900] Error 2 make[1]: *** [sound/soc] Error 2 make: *** [sound] Error 2 Signed-off-by: Axel Lin Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/nuc900/nuc900-audio.h | 2 ++ sound/soc/nuc900/nuc900-pcm.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/nuc900/nuc900-audio.h b/sound/soc/nuc900/nuc900-audio.h index aeed8ead2b2b..59f7e8ed1a68 100644 --- a/sound/soc/nuc900/nuc900-audio.h +++ b/sound/soc/nuc900/nuc900-audio.h @@ -110,4 +110,6 @@ struct nuc900_audio { }; +extern struct nuc900_audio *nuc900_ac97_data; + #endif /*end _NUC900_AUDIO_H */ diff --git a/sound/soc/nuc900/nuc900-pcm.c b/sound/soc/nuc900/nuc900-pcm.c index 195d1ac94771..2245f8b8edc1 100644 --- a/sound/soc/nuc900/nuc900-pcm.c +++ b/sound/soc/nuc900/nuc900-pcm.c @@ -332,7 +332,7 @@ static struct snd_soc_platform_driver nuc900_soc_platform = { .ops = &nuc900_dma_ops, .pcm_new = nuc900_dma_new, .pcm_free = nuc900_dma_free_dma_buffers, -} +}; static int __devinit nuc900_soc_platform_probe(struct platform_device *pdev) { From 3f90e5028a03be4496a04e4599b16f4420ff1304 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 17:43:39 +0800 Subject: [PATCH 041/138] ASoC: Remove unneeded !! operations while checking return value of nuc900_checkready I think this unneededd !! operations just reduce the readability. Signed-off-by: Axel Lin Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/nuc900/nuc900-ac97.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c index 3d9d8b1636b2..dac6732da969 100644 --- a/sound/soc/nuc900/nuc900-ac97.c +++ b/sound/soc/nuc900/nuc900-ac97.c @@ -49,7 +49,7 @@ static unsigned short nuc900_ac97_read(struct snd_ac97 *ac97, mutex_lock(&ac97_mutex); val = nuc900_checkready(); - if (!!val) { + if (val) { dev_err(nuc900_audio->dev, "AC97 codec is not ready\n"); goto out; } @@ -102,7 +102,7 @@ static void nuc900_ac97_write(struct snd_ac97 *ac97, unsigned short reg, mutex_lock(&ac97_mutex); tmp = nuc900_checkready(); - if (!!tmp) + if (tmp) dev_err(nuc900_audio->dev, "AC97 codec is not ready\n"); /* clear the R_WB bit and write register index */ @@ -149,7 +149,7 @@ static void nuc900_ac97_warm_reset(struct snd_ac97 *ac97) udelay(100); val = nuc900_checkready(); - if (!!val) + if (val) dev_err(nuc900_audio->dev, "AC97 codec is not ready\n"); mutex_unlock(&ac97_mutex); From 67bd489aa309a680b1462ad635df29e8825152d2 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 14:54:58 +0800 Subject: [PATCH 042/138] ASoC: Add missing dev_set_drvdata in mpc8610_hpcd_probe Otherwise, calling dev_get_drvdata in mpc8610_hpcd_remove returns NULL. Signed-off-by: Axel Lin Acked-by: Timur Tabi Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/fsl/mpc8610_hpcd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c index 0d7dcf1e4863..7d7847a1e66b 100644 --- a/sound/soc/fsl/mpc8610_hpcd.c +++ b/sound/soc/fsl/mpc8610_hpcd.c @@ -498,6 +498,7 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev) dev_err(&pdev->dev, "platform device add failed\n"); goto error; } + dev_set_drvdata(&pdev->dev, sound_device); of_node_put(codec_np); From 39a545559f8d5f13e8a4a7dfddcaad0e2ba9bcfb Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 14:55:58 +0800 Subject: [PATCH 043/138] ASoC: Add missing dev_set_drvdata in p1022_ds_probe Otherwise, calling dev_get_drvdata in p1022_ds_remove returns NULL. Signed-off-by: Axel Lin Acked-by: Timur Tabi Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/fsl/p1022_ds.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c index 63b9eaa1ebc2..026b756961e0 100644 --- a/sound/soc/fsl/p1022_ds.c +++ b/sound/soc/fsl/p1022_ds.c @@ -498,6 +498,7 @@ static int p1022_ds_probe(struct platform_device *pdev) dev_err(&pdev->dev, "platform device add failed\n"); goto error; } + dev_set_drvdata(&pdev->dev, sound_device); of_node_put(codec_np); From 31e323cca9d5c8afd372976c35a5d46192f540d1 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 29 Nov 2010 14:16:53 -0800 Subject: [PATCH 044/138] xen: don't bother to stop other cpus on shutdown/reboot Xen will shoot all the VCPUs when we do a shutdown hypercall, so there's no need to do it manually. In any case it will fail because all the IPI irqs have been pulled down by this point, so the cross-CPU calls will simply hang forever. Until change 76fac077db6b34e2c6383a7b4f3f4f7b7d06d8ce the function calls were not synchronously waited for, so this wasn't apparent. However after that change the calls became synchronous leading to a hang on shutdown on multi-VCPU guests. Signed-off-by: Jeremy Fitzhardinge Cc: Stable Kernel Cc: Alok Kataria --- arch/x86/xen/enlighten.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 235c0f4d3861..4a5973abefc8 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1016,10 +1016,6 @@ static void xen_reboot(int reason) { struct sched_shutdown r = { .reason = reason }; -#ifdef CONFIG_SMP - stop_other_cpus(); -#endif - if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r)) BUG(); } From 805e3f495057aa5307ad4e3d6dc7073d4733c691 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Wed, 3 Nov 2010 15:32:21 +0000 Subject: [PATCH 045/138] xen: x86/32: perform initial startup on initial_page_table Only make swapper_pg_dir readonly and pinned when generic x86 architecture code (which also starts on initial_page_table) switches to it. This helps ensure that the generic setup paths work on Xen unmodified. In particular clone_pgd_range writes directly to the destination pgd entries and is used to initialise swapper_pg_dir so we need to ensure that it remains writeable until the last possible moment during bring up. This is complicated slightly by the need to avoid sharing kernel PMD entries when running under Xen, therefore the Xen implementation must make a copy of the kernel PMD (which is otherwise referred to by both intial_page_table and swapper_pg_dir) before switching to swapper_pg_dir. Signed-off-by: Ian Campbell Cc: Borislav Petkov Cc: H. Peter Anvin Cc: Jeremy Fitzhardinge Signed-off-by: Jeremy Fitzhardinge --- arch/x86/xen/enlighten.c | 2 -- arch/x86/xen/mmu.c | 69 ++++++++++++++++++++++++++++++++-------- 2 files changed, 56 insertions(+), 15 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 4a5973abefc8..0db7303bccb6 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1187,8 +1187,6 @@ asmlinkage void __init xen_start_kernel(void) /* Allocate and initialize top and mid mfn levels for p2m structure */ xen_build_mfn_list_list(); - init_mm.pgd = pgd; - /* keep using Xen gdt for now; no urgent need to change it */ #ifdef CONFIG_X86_32 diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 21ed8d7f75a5..c9cf23e17440 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -2119,44 +2119,83 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, return pgd; } #else /* !CONFIG_X86_64 */ -static RESERVE_BRK_ARRAY(pmd_t, level2_kernel_pgt, PTRS_PER_PMD); +static RESERVE_BRK_ARRAY(pmd_t, initial_kernel_pmd, PTRS_PER_PMD); +static RESERVE_BRK_ARRAY(pmd_t, swapper_kernel_pmd, PTRS_PER_PMD); + +static __init void xen_write_cr3_init(unsigned long cr3) +{ + unsigned long pfn = PFN_DOWN(__pa(swapper_pg_dir)); + + BUG_ON(read_cr3() != __pa(initial_page_table)); + BUG_ON(cr3 != __pa(swapper_pg_dir)); + + /* + * We are switching to swapper_pg_dir for the first time (from + * initial_page_table) and therefore need to mark that page + * read-only and then pin it. + * + * Xen disallows sharing of kernel PMDs for PAE + * guests. Therefore we must copy the kernel PMD from + * initial_page_table into a new kernel PMD to be used in + * swapper_pg_dir. + */ + swapper_kernel_pmd = + extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE); + memcpy(swapper_kernel_pmd, initial_kernel_pmd, + sizeof(pmd_t) * PTRS_PER_PMD); + swapper_pg_dir[KERNEL_PGD_BOUNDARY] = + __pgd(__pa(swapper_kernel_pmd) | _PAGE_PRESENT); + set_page_prot(swapper_kernel_pmd, PAGE_KERNEL_RO); + + set_page_prot(swapper_pg_dir, PAGE_KERNEL_RO); + xen_write_cr3(cr3); + pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, pfn); + + pin_pagetable_pfn(MMUEXT_UNPIN_TABLE, + PFN_DOWN(__pa(initial_page_table))); + set_page_prot(initial_page_table, PAGE_KERNEL); + set_page_prot(initial_kernel_pmd, PAGE_KERNEL); + + pv_mmu_ops.write_cr3 = &xen_write_cr3; +} __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) { pmd_t *kernel_pmd; - level2_kernel_pgt = extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE); + initial_kernel_pmd = + extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE); max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) + xen_start_info->nr_pt_frames * PAGE_SIZE + 512*1024); kernel_pmd = m2v(pgd[KERNEL_PGD_BOUNDARY].pgd); - memcpy(level2_kernel_pgt, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD); + memcpy(initial_kernel_pmd, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD); - xen_map_identity_early(level2_kernel_pgt, max_pfn); + xen_map_identity_early(initial_kernel_pmd, max_pfn); - memcpy(swapper_pg_dir, pgd, sizeof(pgd_t) * PTRS_PER_PGD); - set_pgd(&swapper_pg_dir[KERNEL_PGD_BOUNDARY], - __pgd(__pa(level2_kernel_pgt) | _PAGE_PRESENT)); + memcpy(initial_page_table, pgd, sizeof(pgd_t) * PTRS_PER_PGD); + initial_page_table[KERNEL_PGD_BOUNDARY] = + __pgd(__pa(initial_kernel_pmd) | _PAGE_PRESENT); - set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(swapper_pg_dir, PAGE_KERNEL_RO); + set_page_prot(initial_kernel_pmd, PAGE_KERNEL_RO); + set_page_prot(initial_page_table, PAGE_KERNEL_RO); set_page_prot(empty_zero_page, PAGE_KERNEL_RO); pin_pagetable_pfn(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(pgd))); - xen_write_cr3(__pa(swapper_pg_dir)); - - pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(swapper_pg_dir))); + pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, + PFN_DOWN(__pa(initial_page_table))); + xen_write_cr3(__pa(initial_page_table)); memblock_x86_reserve_range(__pa(xen_start_info->pt_base), __pa(xen_start_info->pt_base + xen_start_info->nr_pt_frames * PAGE_SIZE), "XEN PAGETABLES"); - return swapper_pg_dir; + return initial_page_table; } #endif /* CONFIG_X86_64 */ @@ -2290,7 +2329,11 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = { .write_cr2 = xen_write_cr2, .read_cr3 = xen_read_cr3, +#ifdef CONFIG_X86_32 + .write_cr3 = xen_write_cr3_init, +#else .write_cr3 = xen_write_cr3, +#endif .flush_tlb_user = xen_flush_tlb, .flush_tlb_kernel = xen_flush_tlb, From 67bace72ee64f6a11cfb914b91d9d6bd47e80ed8 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 29 Nov 2010 20:34:38 -0500 Subject: [PATCH 046/138] parisc: remove redundant initialization in sigsegv path of sys_rt_sigreturn Noticed-by: Randy Dunlap Signed-off-by: Kyle McMartin --- arch/parisc/kernel/signal.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 35c827e94e31..609a331878e7 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -98,7 +98,6 @@ void sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) { struct rt_sigframe __user *frame; - struct siginfo si; sigset_t set; unsigned long usp = (regs->gr[30] & ~(0x01UL)); unsigned long sigframe_size = PARISC_RT_SIGFRAME_SIZE; @@ -178,13 +177,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) give_sigsegv: DBG(1,"sys_rt_sigreturn: Sending SIGSEGV\n"); - si.si_signo = SIGSEGV; - si.si_errno = 0; - si.si_code = SI_KERNEL; - si.si_pid = task_pid_vnr(current); - si.si_uid = current_uid(); - si.si_addr = &frame->uc; - force_sig_info(SIGSEGV, &si, current); + force_sig(SIGSEGV, current); return; } From 60686aa0086a14f8b15c83a09f3df1eebe3aab3c Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 30 Nov 2010 08:14:21 +0100 Subject: [PATCH 047/138] ALSA: Fix SNDCTL_DSP_RESET ioctl for OSS emulation In OSS emulation, SNDCTL_DSP_RESET ioctl needs the reset of the internal buffer state in addition to drop of the running streams. Otherwise the succeeding access becomes inconsistent. Tested-by: Amit Nagal Cc: Signed-off-by: Takashi Iwai --- sound/core/oss/pcm_oss.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 5c8c7dff8ede..b753ec661fcf 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -1510,16 +1510,19 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file) { struct snd_pcm_substream *substream; + struct snd_pcm_runtime *runtime; + int i; - substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK]; - if (substream != NULL) { + for (i = 0; i < 2; i++) { + substream = pcm_oss_file->streams[i]; + if (!substream) + continue; + runtime = substream->runtime; snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); - substream->runtime->oss.prepare = 1; - } - substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE]; - if (substream != NULL) { - snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); - substream->runtime->oss.prepare = 1; + runtime->oss.prepare = 1; + runtime->oss.buffer_used = 0; + runtime->oss.prev_hw_ptr_period = 0; + runtime->oss.period_ptr = 0; } return 0; } From 4249f8acf993046948dc1f2e74244fe484c8cb8f Mon Sep 17 00:00:00 2001 From: Yauhen Kharuzhy Date: Sun, 28 Nov 2010 20:30:19 +0200 Subject: [PATCH 048/138] ARM: SMDK2416: Select MACH_SMDK, S3C_DEV_NAND, S3C_DEV_USB_HOST Enable compilation of platform devices and initialization code used in SMDK2416 board file. Signed-off-by: Yauhen Kharuzhy Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2416/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig index 87b9c9f003bd..27b3e7c9d613 100644 --- a/arch/arm/mach-s3c2416/Kconfig +++ b/arch/arm/mach-s3c2416/Kconfig @@ -35,9 +35,12 @@ menu "S3C2416 Machines" config MACH_SMDK2416 bool "SMDK2416" select CPU_S3C2416 + select MACH_SMDK select S3C_DEV_FB select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 + select S3C_DEV_NAND + select S3C_DEV_USB_HOST select S3C2416_PM if PM help Say Y here if you are using an SMDK2416 From 71f608ef56c987c5325c3aaf9c3fadd4ddc77f64 Mon Sep 17 00:00:00 2001 From: Yauhen Kharuzhy Date: Sun, 28 Nov 2010 20:30:23 +0200 Subject: [PATCH 049/138] ARM: S3C2443: Select properly ARM core type Select ARM920T core when compiling kernel for s3c2443. Signed-off-by: Yauhen Kharuzhy Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2443/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig index 4fef723126fa..31babec90cec 100644 --- a/arch/arm/mach-s3c2443/Kconfig +++ b/arch/arm/mach-s3c2443/Kconfig @@ -5,6 +5,7 @@ config CPU_S3C2443 bool depends on ARCH_S3C2410 + select CPU_ARM920T select S3C2443_DMA if S3C2410_DMA select CPU_LLSERIAL_S3C2440 select SAMSUNG_CLKSRC From 4acf89fb3bbb01ba9de4a7cc102e46095a12c94e Mon Sep 17 00:00:00 2001 From: Yauhen Kharuzhy Date: Sun, 28 Nov 2010 20:30:27 +0200 Subject: [PATCH 050/138] ARM: S3C2412: Fix typo in CONFIG_CPU_S3C2412_ONLY definition Dependency on (CPU_S3C2416 is not selected) was defined as "!CPU_2416", instead of "!CPU_S3C2416". Fix it. Signed-off-by: Yauhen Kharuzhy Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2412/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig index cef6a65637bd..fa2e5bffbb8e 100644 --- a/arch/arm/mach-s3c2412/Kconfig +++ b/arch/arm/mach-s3c2412/Kconfig @@ -16,7 +16,7 @@ config CPU_S3C2412 config CPU_S3C2412_ONLY bool depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \ - !CPU_2416 && !CPU_S3C2440 && !CPU_S3C2442 && \ + !CPU_S3C2416 && !CPU_S3C2440 && !CPU_S3C2442 && \ !CPU_S3C2443 && CPU_S3C2412 default y if CPU_S3C2412 From 3f1af9d26fb02a99a60a045b8ae93ccc6fe50b97 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 29 Nov 2010 17:42:47 +0800 Subject: [PATCH 051/138] ASoC: Fix missing spin_unlock_irqrestore In nuc900_dma_hw_params(), if snd_pcm_lib_malloc_pages failed it returns without calling spin_unlock_irqrestore(). Since snd_pcm_lib_malloc_pages() does not touch struct nuc900_audio, we don't need to hold the lock while calling snd_pcm_lib_malloc_pages(). Fix it by moving spin_lock_irqsave() down to after snd_pcm_lib_malloc_pages(). In nuc900_dma_prepare(), spin_unlock_irqrestore() is missing in the error path. Fix it by removing the return in default case. Signed-off-by: Axel Lin Acked-by: Wan ZongShun Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/nuc900/nuc900-pcm.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/sound/soc/nuc900/nuc900-pcm.c b/sound/soc/nuc900/nuc900-pcm.c index 2245f8b8edc1..8263f56dc665 100644 --- a/sound/soc/nuc900/nuc900-pcm.c +++ b/sound/soc/nuc900/nuc900-pcm.c @@ -50,12 +50,12 @@ static int nuc900_dma_hw_params(struct snd_pcm_substream *substream, unsigned long flags; int ret = 0; - spin_lock_irqsave(&nuc900_audio->lock, flags); - ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); if (ret < 0) return ret; + spin_lock_irqsave(&nuc900_audio->lock, flags); + nuc900_audio->substream = substream; nuc900_audio->dma_addr[substream->stream] = runtime->dma_addr; nuc900_audio->buffersize[substream->stream] = @@ -169,6 +169,7 @@ static int nuc900_dma_prepare(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct nuc900_audio *nuc900_audio = runtime->private_data; unsigned long flags, val; + int ret = 0; spin_lock_irqsave(&nuc900_audio->lock, flags); @@ -197,10 +198,10 @@ static int nuc900_dma_prepare(struct snd_pcm_substream *substream) AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val); break; default: - return -EINVAL; + ret = -EINVAL; } spin_unlock_irqrestore(&nuc900_audio->lock, flags); - return 0; + return ret; } static int nuc900_dma_trigger(struct snd_pcm_substream *substream, int cmd) From b1d36b1c3573fd5adecbd313d30a8bdc8d7fbc5e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20Gl=C3=B6ckner?= Date: Tue, 30 Nov 2010 01:00:16 +0100 Subject: [PATCH 052/138] s6000-i2s: fix compilation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A semicolon was missing. Signed-off-by: Daniel Glöckner Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/s6000/s6000-i2s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/s6000/s6000-i2s.c b/sound/soc/s6000/s6000-i2s.c index 8778faa174a6..3052f64b2403 100644 --- a/sound/soc/s6000/s6000-i2s.c +++ b/sound/soc/s6000/s6000-i2s.c @@ -434,7 +434,7 @@ static struct snd_soc_dai_driver s6000_i2s_dai = { .rate_max = 1562500, }, .ops = &s6000_i2s_dai_ops, -} +}; static int __devinit s6000_i2s_probe(struct platform_device *pdev) { From 9e4ea718d3c53f9f2a65ddddf95ffd7743be458e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20Gl=C3=B6ckner?= Date: Tue, 30 Nov 2010 01:00:17 +0100 Subject: [PATCH 053/138] s6000-pcm: fix compilation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit s6000_soc_platform has lost its forward declaration and there no longer is a name element in it, so use a string constant when calling request_irq. Signed-off-by: Daniel Glöckner Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/s6000/s6000-pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c index 271fd222bf19..ab3ccaec72d2 100644 --- a/sound/soc/s6000/s6000-pcm.c +++ b/sound/soc/s6000/s6000-pcm.c @@ -473,7 +473,7 @@ static int s6000_pcm_new(struct snd_card *card, } res = request_irq(params->irq, s6000_pcm_irq, IRQF_SHARED, - s6000_soc_platform.name, pcm); + "s6000-audio", pcm); if (res) { printk(KERN_ERR "s6000-pcm couldn't get IRQ\n"); return res; From b76fb39d49f67a484a6adc8f041d9ad833f6860e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20Gl=C3=B6ckner?= Date: Tue, 30 Nov 2010 01:00:18 +0100 Subject: [PATCH 054/138] s6105-ipcam: fix compilation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When the s6105-ipcam ASoC driver had been converted to the multi-component API, a single reference to a former structure element remained, blocking successful compilation. Signed-off-by: Daniel Glöckner Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/s6000/s6105-ipcam.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/s6000/s6105-ipcam.c b/sound/soc/s6000/s6105-ipcam.c index 96c05e137538..c1244c5bc730 100644 --- a/sound/soc/s6000/s6105-ipcam.c +++ b/sound/soc/s6000/s6105-ipcam.c @@ -167,7 +167,7 @@ static int s6105_aic3x_init(struct snd_soc_pcm_runtime *rtd) snd_soc_dapm_sync(codec); - snd_ctl_add(codec->snd_card, snd_ctl_new1(&audio_out_mux, codec)); + snd_ctl_add(codec->card->snd_card, snd_ctl_new1(&audio_out_mux, codec)); return 0; } From e6afec9b6808eff6dc392ac07c1552e87aebcdf7 Mon Sep 17 00:00:00 2001 From: Pawel Moll Date: Fri, 26 Nov 2010 13:45:43 +0100 Subject: [PATCH 055/138] ARM: 6496/1: GIC: Do not try to register more then NR_IRQS interrupts This change limits number of GIC-originating interrupts to the platform maximum (defined by NR_IRQS) while still initialising all distributor registers. Signed-off-by: Pawel Moll Signed-off-by: Russell King --- arch/arm/common/gic.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 772f95f1aecd..fea1bd7249b6 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -210,7 +210,7 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq) void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, unsigned int irq_start) { - unsigned int max_irq, i; + unsigned int gic_irqs, irq_limit, i; u32 cpumask = 1 << smp_processor_id(); if (gic_nr >= MAX_GIC_NR) @@ -226,47 +226,49 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, /* * Find out how many interrupts are supported. - */ - max_irq = readl(base + GIC_DIST_CTR) & 0x1f; - max_irq = (max_irq + 1) * 32; - - /* * The GIC only supports up to 1020 interrupt sources. - * Limit this to either the architected maximum, or the - * platform maximum. */ - if (max_irq > max(1020, NR_IRQS)) - max_irq = max(1020, NR_IRQS); + gic_irqs = readl(base + GIC_DIST_CTR) & 0x1f; + gic_irqs = (gic_irqs + 1) * 32; + if (gic_irqs > 1020) + gic_irqs = 1020; /* * Set all global interrupts to be level triggered, active low. */ - for (i = 32; i < max_irq; i += 16) + for (i = 32; i < gic_irqs; i += 16) writel(0, base + GIC_DIST_CONFIG + i * 4 / 16); /* * Set all global interrupts to this CPU only. */ - for (i = 32; i < max_irq; i += 4) + for (i = 32; i < gic_irqs; i += 4) writel(cpumask, base + GIC_DIST_TARGET + i * 4 / 4); /* * Set priority on all global interrupts. */ - for (i = 32; i < max_irq; i += 4) + for (i = 32; i < gic_irqs; i += 4) writel(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4); /* * Disable all interrupts. Leave the PPI and SGIs alone * as these enables are banked registers. */ - for (i = 32; i < max_irq; i += 32) + for (i = 32; i < gic_irqs; i += 32) writel(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32); + /* + * Limit number of interrupts registered to the platform maximum + */ + irq_limit = gic_data[gic_nr].irq_offset + gic_irqs; + if (WARN_ON(irq_limit > NR_IRQS)) + irq_limit = NR_IRQS; + /* * Setup the Linux IRQ subsystem. */ - for (i = irq_start; i < gic_data[gic_nr].irq_offset + max_irq; i++) { + for (i = irq_start; i < irq_limit; i++) { set_irq_chip(i, &gic_chip); set_irq_chip_data(i, &gic_data[gic_nr]); set_irq_handler(i, handle_level_irq); From bc8b57f08c53344d13e3b5e644c56c0355899b47 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:21 +0100 Subject: [PATCH 056/138] ARM: 6497/1: kexec: Correct data alignment for CONFIG_THUMB2_KERNEL Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/kernel/relocate_kernel.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S index fd26f8d65151..9cf4cbf8f95b 100644 --- a/arch/arm/kernel/relocate_kernel.S +++ b/arch/arm/kernel/relocate_kernel.S @@ -59,6 +59,8 @@ relocate_new_kernel: ldr r2,kexec_boot_atags mov pc,lr + .align + .globl kexec_start_address kexec_start_address: .long 0x0 From 7eb25ebee894ba2f8a591a83e45accc091ced19f Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:22 +0100 Subject: [PATCH 057/138] ARM: 6498/1: vfp: Correct data alignment for CONFIG_THUMB2_KERNEL Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/vfp/vfphw.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index d66cead97d28..9897dcfc16d6 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -206,6 +206,7 @@ ENTRY(vfp_save_state) mov pc, lr ENDPROC(vfp_save_state) + .align last_VFP_context_address: .word last_VFP_context From 077248fcce5edabb1b77ba3269e6c72341769d94 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:23 +0100 Subject: [PATCH 058/138] ARM: 6499/1: Thumb-2: Correct data alignment for CONFIG_THUMB2_KERNEL in bootp/init.S Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/boot/bootp/init.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/bootp/init.S b/arch/arm/boot/bootp/init.S index 8b0de41c3dcb..78b508075161 100644 --- a/arch/arm/boot/bootp/init.S +++ b/arch/arm/boot/bootp/init.S @@ -73,6 +73,8 @@ move: ldmia r4!, {r7 - r10} @ move 32-bytes at a time .size _start, . - _start + .align + .type data,#object data: .word initrd_start @ source initrd address .word initrd_phys @ destination initrd address From 4f79a5dd7c3e316e2230dc0ee665c40a39023a81 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:24 +0100 Subject: [PATCH 059/138] ARM: 6500/1: Thumb-2: Correct data alignment for CONFIG_THUMB2_KERNEL in kernel/head.S Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/kernel/head.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index dd6b369ac69c..591c097c89ab 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -262,6 +262,7 @@ __create_page_tables: mov pc, lr ENDPROC(__create_page_tables) .ltorg + .align __enable_mmu_loc: .long . .long __enable_mmu @@ -308,6 +309,8 @@ ENTRY(__secondary_switched) b secondary_start_kernel ENDPROC(__secondary_switched) + .align + .type __secondary_data, %object __secondary_data: .long . @@ -413,6 +416,7 @@ __fixup_smp_on_up: mov pc, lr ENDPROC(__fixup_smp) + .align 1: .word . .word __smpalt_begin .word __smpalt_end From 6323875db20fd8ca8c8fbbd608bc377f2d4c8cf5 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:25 +0100 Subject: [PATCH 060/138] ARM: 6501/1: Thumb-2: Correct data alignment for CONFIG_THUMB2_KERNEL in mm/proc-v7.S Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. In this specific case, we can achieve the desired alignment by forcing a 32-bit branch instruction using the W() macro, since the assembler location counter is already 32-bit aligned in this case. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mm/proc-v7.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 53cbe2225153..9b9ff5d949fd 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -381,7 +381,7 @@ __v7_ca9mp_proc_info: PMD_SECT_XN | \ PMD_SECT_AP_WRITE | \ PMD_SECT_AP_READ - b __v7_ca9mp_setup + W(b) __v7_ca9mp_setup .long cpu_arch_name .long cpu_elf_name .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS @@ -413,7 +413,7 @@ __v7_proc_info: PMD_SECT_XN | \ PMD_SECT_AP_WRITE | \ PMD_SECT_AP_READ - b __v7_setup + W(b) __v7_setup .long cpu_arch_name .long cpu_elf_name .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS From bfa64c4ab1235b732542f11f4e0005e1774f779a Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:26 +0100 Subject: [PATCH 061/138] ARM: 6502/1: Thumb-2: Fix CONFIG_THUMB2_KERNEL breakage in compressed/head.S Some instruction operand combinations are used here which are nor permitted in Thumb-2. In particular, most uses of pc as an operand are disallowed in Thumb-2, and deprecated in ARM from ARMv7 onwards. The modified code introduced by this patch should be compatible with all architecture versions >= v3, with or without CONFIG_THUMB2_KERNEL. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/boot/compressed/head.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 9be21ba648cd..be97e0832d73 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -174,7 +174,8 @@ not_angel: ldr sp, [r0, #28] #ifdef CONFIG_AUTO_ZRELADDR @ determine final kernel image address - and r4, pc, #0xf8000000 + mov r4, pc + and r4, r4, #0xf8000000 add r4, r4, #TEXT_OFFSET #else ldr r4, =zreladdr @@ -445,7 +446,8 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size */ mov r1, #0x1e orr r1, r1, #3 << 10 - mov r2, pc, lsr #20 + mov r2, pc + mov r2, r2, lsr #20 orr r1, r1, r2, lsl #20 add r0, r3, r2, lsl #2 str r1, [r0], #4 From 26e5ca93dda9425f8ff78ccb2f9b193328087e45 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:27 +0100 Subject: [PATCH 062/138] ARM: 6503/1: Thumb-2: Restore sensible zImage header layout for CONFIG_THUMB2_KERNEL The code which makes up the zImage header intends to leave a 32-byte gap followed by a branch to the real entry point, a magic number, and a word containing the absolute entry point address. This gets messed up with with CONFIG_THUMB2_KERNEL, because the size of the initial padding NOPs changes. Instead, the header can be made fully compatible by restoring it to ARM. In the Thumb-2 case, we can replace the initial NOPs with a sequence which switches to Thumb and jumps to the real entry point. As a consequence, the zImage entry point is now always ARM, so no special magic is needed any more for the uImage rules in the Thumb-2 case. Signed-off-by: Dave Martin Acked-by: Catalin Marinas Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/boot/Makefile | 5 ----- arch/arm/boot/compressed/head.S | 7 ++++++- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 4a590f4113e2..4d26f2c52a75 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -70,12 +70,7 @@ else $(obj)/uImage: LOADADDR=$(ZRELADDR) endif -ifeq ($(CONFIG_THUMB2_KERNEL),y) -# Set bit 0 to 1 so that "mov pc, rx" switches to Thumb-2 mode -$(obj)/uImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/") -else $(obj)/uImage: STARTADDR=$(LOADADDR) -endif $(obj)/uImage: $(obj)/zImage FORCE $(call if_changed,uimage) diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index be97e0832d73..7193884ed8b0 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -125,9 +125,13 @@ wait: mrc p14, 0, pc, c0, c1, 0 * sort out different calling conventions */ .align + .arm @ Always enter in ARM state start: .type start,#function - .rept 8 + THUMB( adr r12, BSYM(1f) ) + THUMB( bx r12 ) + THUMB( .rept 6 ) + ARM( .rept 8 ) mov r0, r0 .endr @@ -135,6 +139,7 @@ start: .word 0x016f2818 @ Magic numbers to help the loader .word start @ absolute load/run zImage address .word _edata @ zImage end address + THUMB( .thumb ) 1: mov r7, r1 @ save architecture ID mov r8, r2 @ save atags pointer From a75e5248c51af1eaeed936be6bd3497b93f09685 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:28 +0100 Subject: [PATCH 063/138] ARM: 6504/1: Thumb-2: Fix long-distance conditional branches in head.S for Thumb-2. The 32-bit conditional branches in Thumb-2 have a shorter range (+/-512K) than their ARM counterparts (+/-32MB). The linker does not currently generate trampolines to extend the range of these Thumb-2 conditional branches, resulting in link errors when vmlinux is sufficiently large, e.g.: head.o:(.text+0x464): relocation truncated to fit: R_ARM_THM_JUMP19 This patch forces the longer-range, unconditional branch encoding by use of an explicit IT instruction. The resulting branches are triggered on the same conditions as before. Signed-off-by: Dave Martin Signed-off-by: Russell King --- arch/arm/kernel/head.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 591c097c89ab..6bd82d25683c 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -85,9 +85,11 @@ ENTRY(stext) mrc p15, 0, r9, c0, c0 @ get processor id bl __lookup_processor_type @ r5=procinfo r9=cpuid movs r10, r5 @ invalid processor (r5=0)? + THUMB( it eq ) @ force fixup-able long branch encoding beq __error_p @ yes, error 'p' bl __lookup_machine_type @ r5=machinfo movs r8, r5 @ invalid machine (r5=0)? + THUMB( it eq ) @ force fixup-able long branch encoding beq __error_a @ yes, error 'a' bl __vet_atags #ifdef CONFIG_SMP_ON_UP @@ -283,6 +285,7 @@ ENTRY(secondary_startup) bl __lookup_processor_type movs r10, r5 @ invalid processor? moveq r0, #'p' @ yes, error 'p' + THUMB( it eq ) @ force fixup-able long branch encoding beq __error_p /* From 725ca4adaea07460accd4622d44bcc7eaa34da09 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Tue, 30 Nov 2010 13:04:36 +0100 Subject: [PATCH 064/138] ARM: 6507/1: RealView: Correct data alignment in headsmp.S for CONFIG_THUMB2_KERNEL Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-realview/headsmp.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-realview/headsmp.S b/arch/arm/mach-realview/headsmp.S index 4075473cf68a..b34be4554d40 100644 --- a/arch/arm/mach-realview/headsmp.S +++ b/arch/arm/mach-realview/headsmp.S @@ -35,5 +35,6 @@ pen: ldr r7, [r6] */ b secondary_startup + .align 1: .long . .long pen_release From 618d9c8f9e554b5eaaca3f8e55a28e1a928a8571 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Tue, 30 Nov 2010 13:05:10 +0100 Subject: [PATCH 065/138] ARM: 6508/1: vexpress: Correct data alignment in headsmp.S for CONFIG_THUMB2_KERNEL Directives such as .long and .word do not magically cause the assembler location counter to become aligned in gas. As a result, using these directives in code sections can result in misaligned data words when building a Thumb-2 kernel (CONFIG_THUMB2_KERNEL). This is a Bad Thing, since the ABI permits the compiler to assume that fundamental types of word size or above are word- aligned when accessing them from C. If the data is not really word-aligned, this can cause impaired performance and stray alignment faults in some circumstances. In general, the following rules should be applied when using data word declaration directives inside code sections: * .quad and .double: .align 3 * .long, .word, .single, .float: .align (or .align 2) * .short: No explicit alignment required, since Thumb-2 instructions are always 2 or 4 bytes in size. immediately after an instruction. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-vexpress/headsmp.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-vexpress/headsmp.S b/arch/arm/mach-vexpress/headsmp.S index 8a78ff68e1ee..7a3f0632947c 100644 --- a/arch/arm/mach-vexpress/headsmp.S +++ b/arch/arm/mach-vexpress/headsmp.S @@ -35,5 +35,6 @@ pen: ldr r7, [r6] */ b secondary_startup + .align 1: .long . .long pen_release From ed7c84d54837b182c5f56f821ef213c8ca817a91 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Mon, 29 Nov 2010 19:43:29 +0100 Subject: [PATCH 066/138] ARM: 6505/1: kprobes: Don't HAVE_KPROBES when CONFIG_THUMB2_KERNEL is selected Currently, the kprobes implementation for ARM only supports the ARM instruction set, so it only works if CONFIG_THUMB2_KERNEL is not enabled. Until kprobes is updated to work with Thumb-2, turning it on will cause horrible things to happen, so this patch disables it for now. Signed-off-by: Dave Martin Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index db524e75c4a2..f1d9297b1050 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -9,7 +9,7 @@ config ARM select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI) select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_KGDB - select HAVE_KPROBES if (!XIP_KERNEL) + select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL) select HAVE_KRETPROBES if (HAVE_KPROBES) select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) From 8a9533123f43f2cdb3eb601c17ff2ad336882eff Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 29 Nov 2010 12:44:15 -0200 Subject: [PATCH 067/138] perf symbols: Fix kallsyms kernel/module map splitting On ARM, module addresss space is ahead of kernel space, so the module symbols are handled before kernel symbol in dso__split_kallsyms, then was causing one map to be created for each kernel symbol. Reported-by: Ming Lei Tested-by: Ming Lei Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Mike Galbraith Cc: Ming Lei Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Tom Zanussi LKML-Reference: <20101124144540.GB15875@ghostprotocols.net> Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/symbol.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 0500895a45af..2af4d7d22373 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -532,7 +532,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, struct machine *machine = kmaps->machine; struct map *curr_map = map; struct symbol *pos; - int count = 0; + int count = 0, moved = 0; struct rb_root *root = &self->symbols[map->type]; struct rb_node *next = rb_first(root); int kernel_range = 0; @@ -590,6 +590,11 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, char dso_name[PATH_MAX]; struct dso *dso; + if (count == 0) { + curr_map = map; + goto filter_symbol; + } + if (self->kernel == DSO_TYPE_GUEST_KERNEL) snprintf(dso_name, sizeof(dso_name), "[guest.kernel].%d", @@ -615,7 +620,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, map_groups__insert(kmaps, curr_map); ++kernel_range; } - +filter_symbol: if (filter && filter(curr_map, pos)) { discard_symbol: rb_erase(&pos->rb_node, root); symbol__delete(pos); @@ -623,8 +628,9 @@ discard_symbol: rb_erase(&pos->rb_node, root); if (curr_map != map) { rb_erase(&pos->rb_node, root); symbols__insert(&curr_map->dso->symbols[curr_map->type], pos); - } - count++; + ++moved; + } else + ++count; } } @@ -634,7 +640,7 @@ discard_symbol: rb_erase(&pos->rb_node, root); dso__set_loaded(curr_map->dso, curr_map->type); } - return count; + return count + moved; } int dso__load_kallsyms(struct dso *self, const char *filename, From d214afbd81405d4da2c5745fe867e6b313fd4178 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Thu, 25 Nov 2010 19:27:25 +0800 Subject: [PATCH 068/138] perf symbols: Figure out start address of kernel map from kallsyms On ARM, module symbol start address is ahead of kernel symbol start address, so we can't suppose that the start address of kernel map always is zero, otherwise may cause incorrect .start and .end of kernel map (caused by fixup) when there are modules loaded, then map_groups__find may return incorrect map for symbol query. This patch always figures out the start address of kernel map from /proc/kallsyms if the file is available, so fix the issues on ARM for module loaded case. This patch fixes the following issues on ARM when modules are loaded: - vmlinux symbol can't be found by kallsyms maps doing 'perf test' - module symbols are parsed mistakenlly when doing 'perf top'/'perf report' Cc: Ian Munsie Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Tom Zanussi LKML-Reference: <20101125192725.62d31b42@tom-lei> Signed-off-by: Ming Lei Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/symbol.c | 43 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 2af4d7d22373..d628c8d1cf5e 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -2131,14 +2131,55 @@ static struct dso *machine__create_kernel(struct machine *self) return kernel; } +struct process_args { + u64 start; +}; + +static int symbol__in_kernel(void *arg, const char *name, + char type __used, u64 start) +{ + struct process_args *args = arg; + + if (strchr(name, '[')) + return 0; + + args->start = start; + return 1; +} + +/* Figure out the start address of kernel map from /proc/kallsyms */ +static u64 machine__get_kernel_start_addr(struct machine *machine) +{ + const char *filename; + char path[PATH_MAX]; + struct process_args args; + + if (machine__is_host(machine)) { + filename = "/proc/kallsyms"; + } else { + if (machine__is_default_guest(machine)) + filename = (char *)symbol_conf.default_guest_kallsyms; + else { + sprintf(path, "%s/proc/kallsyms", machine->root_dir); + filename = path; + } + } + + if (kallsyms__parse(filename, &args, symbol__in_kernel) <= 0) + return 0; + + return args.start; +} + int __machine__create_kernel_maps(struct machine *self, struct dso *kernel) { enum map_type type; + u64 start = machine__get_kernel_start_addr(self); for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; - self->vmlinux_maps[type] = map__new2(0, kernel, type); + self->vmlinux_maps[type] = map__new2(start, kernel, type); if (self->vmlinux_maps[type] == NULL) return -1; From 60e677373be9c0bf7c9a22937601d5a40e51c042 Mon Sep 17 00:00:00 2001 From: Franck Bui-Huu Date: Tue, 30 Nov 2010 12:50:14 +0100 Subject: [PATCH 069/138] perf header: Don't assume there's no attr info if no sample ids is provided This primarily fixes perf-report, which didn't report the correct type of event if perf-record was called to record one event different from 'cycles': $ perf record -e instructions true [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.007 MB perf.data (~295 samples) ] $ perf report | head -n1 # Events: 7 cycles LPU-Reference: Signed-off-by: Franck Bui-Huu --- tools/perf/util/header.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index d7e67b167ea3..64a85bafde63 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -946,11 +946,16 @@ perf_header__find_attr(u64 id, struct perf_header *header) /* * We set id to -1 if the data file doesn't contain sample - * ids. Check for this and avoid walking through the entire - * list of ids which may be large. + * ids. This can happen when the data file contains one type + * of event and in that case, the header can still store the + * event attribute information. Check for this and avoid + * walking through the entire list of ids which may be large. */ - if (id == -1ULL) + if (id == -1ULL) { + if (header->attrs > 0) + return &header->attr[0]->attr; return NULL; + } for (i = 0; i < header->attrs; i++) { struct perf_header_attr *attr = header->attr[i]; From 55661fc1f105ed75852e937bf8ea408270eb0cca Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 1 Dec 2010 15:39:51 +0900 Subject: [PATCH 070/138] sh: Assume new page cache pages have dirty dcache lines. This follows the ARM change c01778001a4f5ad9c62d882776235f3f31922fdd ("ARM: 6379/1: Assume new page cache pages have dirty D-cache") for the same rationale: There are places in Linux where writes to newly allocated page cache pages happen without a subsequent call to flush_dcache_page() (several PIO drivers including USB HCD). This patch changes the meaning of PG_arch_1 to be PG_dcache_clean and always flush the D-cache for a newly mapped page in update_mmu_cache(). This addresses issues seen with executing binaries from MMC, in addition to some of the other HCDs that don't explicitly do cache management for their pipe-in buffers. Requested-by: Yoshihiro Shimoda Signed-off-by: Paul Mundt --- arch/sh/include/asm/cacheflush.h | 2 +- arch/sh/mm/cache-sh4.c | 4 ++-- arch/sh/mm/cache-sh7705.c | 2 +- arch/sh/mm/cache.c | 14 +++++++------- arch/sh/mm/kmap.c | 2 +- 5 files changed, 12 insertions(+), 12 deletions(-) diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h index 1f4e562c5e8c..82e1eabeac98 100644 --- a/arch/sh/include/asm/cacheflush.h +++ b/arch/sh/include/asm/cacheflush.h @@ -96,7 +96,7 @@ void kmap_coherent_init(void); void *kmap_coherent(struct page *page, unsigned long addr); void kunmap_coherent(void *kvaddr); -#define PG_dcache_dirty PG_arch_1 +#define PG_dcache_clean PG_arch_1 void cpu_cache_init(void); diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 2cfae81914aa..92eb98633ab0 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -114,7 +114,7 @@ static void sh4_flush_dcache_page(void *arg) struct address_space *mapping = page_mapping(page); if (mapping && !mapping_mapped(mapping)) - set_bit(PG_dcache_dirty, &page->flags); + clear_bit(PG_dcache_clean, &page->flags); else #endif flush_cache_one(CACHE_OC_ADDRESS_ARRAY | @@ -239,7 +239,7 @@ static void sh4_flush_cache_page(void *args) * another ASID than the current one. */ map_coherent = (current_cpu_data.dcache.n_aliases && - !test_bit(PG_dcache_dirty, &page->flags) && + test_bit(PG_dcache_clean, &page->flags) && page_mapped(page)); if (map_coherent) vaddr = kmap_coherent(page, address); diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c index f498da1cce7a..7729cca727eb 100644 --- a/arch/sh/mm/cache-sh7705.c +++ b/arch/sh/mm/cache-sh7705.c @@ -139,7 +139,7 @@ static void sh7705_flush_dcache_page(void *arg) struct address_space *mapping = page_mapping(page); if (mapping && !mapping_mapped(mapping)) - set_bit(PG_dcache_dirty, &page->flags); + clear_bit(PG_dcache_clean, &page->flags); else __flush_dcache_page(__pa(page_address(page))); } diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index ba401d137bb9..88d3dc3d30d5 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -60,14 +60,14 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long len) { if (boot_cpu_data.dcache.n_aliases && page_mapped(page) && - !test_bit(PG_dcache_dirty, &page->flags)) { + test_bit(PG_dcache_clean, &page->flags)) { void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); memcpy(vto, src, len); kunmap_coherent(vto); } else { memcpy(dst, src, len); if (boot_cpu_data.dcache.n_aliases) - set_bit(PG_dcache_dirty, &page->flags); + clear_bit(PG_dcache_clean, &page->flags); } if (vma->vm_flags & VM_EXEC) @@ -79,14 +79,14 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page, unsigned long len) { if (boot_cpu_data.dcache.n_aliases && page_mapped(page) && - !test_bit(PG_dcache_dirty, &page->flags)) { + test_bit(PG_dcache_clean, &page->flags)) { void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); memcpy(dst, vfrom, len); kunmap_coherent(vfrom); } else { memcpy(dst, src, len); if (boot_cpu_data.dcache.n_aliases) - set_bit(PG_dcache_dirty, &page->flags); + clear_bit(PG_dcache_clean, &page->flags); } } @@ -98,7 +98,7 @@ void copy_user_highpage(struct page *to, struct page *from, vto = kmap_atomic(to, KM_USER1); if (boot_cpu_data.dcache.n_aliases && page_mapped(from) && - !test_bit(PG_dcache_dirty, &from->flags)) { + test_bit(PG_dcache_clean, &from->flags)) { vfrom = kmap_coherent(from, vaddr); copy_page(vto, vfrom); kunmap_coherent(vfrom); @@ -141,7 +141,7 @@ void __update_cache(struct vm_area_struct *vma, page = pfn_to_page(pfn); if (pfn_valid(pfn)) { - int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); + int dirty = !test_and_set_bit(PG_dcache_clean, &page->flags); if (dirty) __flush_purge_region(page_address(page), PAGE_SIZE); } @@ -153,7 +153,7 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr) if (pages_do_alias(addr, vmaddr)) { if (boot_cpu_data.dcache.n_aliases && page_mapped(page) && - !test_bit(PG_dcache_dirty, &page->flags)) { + test_bit(PG_dcache_clean, &page->flags)) { void *kaddr; kaddr = kmap_coherent(page, vmaddr); diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c index 15d74ea42094..ec29e14ec5a8 100644 --- a/arch/sh/mm/kmap.c +++ b/arch/sh/mm/kmap.c @@ -34,7 +34,7 @@ void *kmap_coherent(struct page *page, unsigned long addr) enum fixed_addresses idx; unsigned long vaddr; - BUG_ON(test_bit(PG_dcache_dirty, &page->flags)); + BUG_ON(!test_bit(PG_dcache_clean, &page->flags)); pagefault_disable(); From 0417596f66dd6621f4fd46563c7c56a95311dbe8 Mon Sep 17 00:00:00 2001 From: Bastien Nocera Date: Mon, 29 Nov 2010 23:33:05 -0800 Subject: [PATCH 071/138] Input: add keycodes for touchpad on/off keys Some laptops will have a "touchpad toggle" soft button, which expects user-space to turn off the touchpad themselves, some other devices will do this in hardware, but send key events telling us that the touchpad has been turned off/on. KEY_TOUCHPAD_ON/KEY_TOUCHPAD_OFF will be used by user-space to show a popup with the status of the touchpad. Signed-off-by: Bastien Nocera Signed-off-by: Dmitry Torokhov --- include/linux/input.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/input.h b/include/linux/input.h index 6ef44465db8d..a50046f15372 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -624,6 +624,10 @@ struct input_keymap_entry { #define KEY_CAMERA_FOCUS 0x210 #define KEY_WPS_BUTTON 0x211 /* WiFi Protected Setup key */ +#define KEY_TOUCHPAD_TOGGLE 0x212 /* Request switch touchpad on or off */ +#define KEY_TOUCHPAD_ON 0x213 +#define KEY_TOUCHPAD_OFF 0x214 + #define BTN_TRIGGER_HAPPY 0x2c0 #define BTN_TRIGGER_HAPPY1 0x2c0 #define BTN_TRIGGER_HAPPY2 0x2c1 From 86b17f76f462db460d6d916e105a4c44cb353e36 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Mon, 29 Nov 2010 23:33:04 -0800 Subject: [PATCH 072/138] Input: document struct input_absinfo Add documentation for struct input_absinfo that is used in EVIOCGABS and EVIOCSABS ioctl and specify units of measure used for reporting resolution for an axis. Acked-by: Henrik Rydberg Signed-off-by: Dmitry Torokhov --- include/linux/input.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/include/linux/input.h b/include/linux/input.h index a50046f15372..a8af21d42bc1 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -47,6 +47,25 @@ struct input_id { __u16 version; }; +/** + * struct input_absinfo - used by EVIOCGABS/EVIOCSABS ioctls + * @value: latest reported value for the axis. + * @minimum: specifies minimum value for the axis. + * @maximum: specifies maximum value for the axis. + * @fuzz: specifies fuzz value that is used to filter noise from + * the event stream. + * @flat: values that are within this value will be discarded by + * joydev interface and reported as 0 instead. + * @resolution: specifies resolution for the values reported for + * the axis. + * + * Note that input core does not clamp reported values to the + * [minimum, maximum] limits, such task is left to userspace. + * + * Resolution for main axes (ABS_X, ABS_Y, ABS_Z) is reported in + * units per millimeter (units/mm), resolution for rotational axes + * (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian. + */ struct input_absinfo { __s32 value; __s32 minimum; @@ -1134,7 +1153,7 @@ struct input_mt_slot { * of tracked contacts * @mtsize: number of MT slots the device uses * @slot: MT slot currently being transmitted - * @absinfo: array of &struct absinfo elements holding information + * @absinfo: array of &struct input_absinfo elements holding information * about absolute axes (current value, min, max, flat, fuzz, * resolution) * @key: reflects current state of device's keys/buttons From 25c9170ed64a6551beefe9315882f754e14486f4 Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Tue, 30 Nov 2010 17:36:08 +0900 Subject: [PATCH 073/138] genirq: Fix incorrect proc spurious output Since commit a1afb637(switch /proc/irq/*/spurious to seq_file) all /proc/irq/XX/spurious files show the information of irq 0. Current irq_spurious_proc_open() passes on NULL as the 3rd argument, which is used as an IRQ number in irq_spurious_proc_show(), to the single_open(). Because of this, all the /proc/irq/XX/spurious file shows IRQ 0 information regardless of the IRQ number. To fix the problem, irq_spurious_proc_open() must pass on the appropreate data (IRQ number) to single_open(). Signed-off-by: Kenji Kaneshige Reviewed-by: Yong Zhang LKML-Reference: <4CF4B778.90604@jp.fujitsu.com> Cc: stable@kernel.org [2.6.33+] Signed-off-by: Thomas Gleixner --- kernel/irq/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 01b1d3a88983..6c8a2a9f8a7b 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -214,7 +214,7 @@ static int irq_spurious_proc_show(struct seq_file *m, void *v) static int irq_spurious_proc_open(struct inode *inode, struct file *file) { - return single_open(file, irq_spurious_proc_show, NULL); + return single_open(file, irq_spurious_proc_show, PDE(inode)->data); } static const struct file_operations irq_spurious_proc_fops = { From a318e6b1a04c9d8882712508eb9c8a061796c06b Mon Sep 17 00:00:00 2001 From: David Foley Date: Tue, 30 Nov 2010 23:45:46 -0800 Subject: [PATCH 074/138] Input: wacom - add IDs for two new Bamboo PTs Add two new Bamboo Pen & Touch models: Bamboo Comic Medium (CTH661/S1; Product ID = 0xd8) Bamboo P & T Special Edition Small (CTH461/L; Product ID = 0xdA) Tested-by: IRIE Shinsuke Tested-by: Andrea Cadeddu Signed-off-by: David Foley Reviewed-by: Ping Cheng Signed-off-by: Dmitry Torokhov --- drivers/input/tablet/wacom_wac.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index b3252ef1e279..db747e4c4c4c 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1436,6 +1436,10 @@ static struct wacom_features wacom_features_0xD2 = { "Wacom Bamboo Craft", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; static struct wacom_features wacom_features_0xD3 = { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD8 = + { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xDA = + { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; #define USB_DEVICE_WACOM(prod) \ USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \ @@ -1504,6 +1508,8 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xD1) }, { USB_DEVICE_WACOM(0xD2) }, { USB_DEVICE_WACOM(0xD3) }, + { USB_DEVICE_WACOM(0xD8) }, + { USB_DEVICE_WACOM(0xDA) }, { USB_DEVICE_WACOM(0xF0) }, { USB_DEVICE_WACOM(0xCC) }, { USB_DEVICE_WACOM(0x90) }, From 3bfa321e662edf90fb8123a02c987c2965fa50bb Mon Sep 17 00:00:00 2001 From: Yan Li Date: Tue, 30 Nov 2010 23:51:03 -0800 Subject: [PATCH 075/138] Input: synaptics - fix handling of 2-button ClickPads Lenovo S10-3t's ClickPad is a 2-button ClickPad that reports BTN_LEFT and BTN_RIGHT as normal touchpad, unlike the 1-button ClickPad used in HP mini 210 that reports solely BTN_MIDDLE. In 0xc0-cap response, the 1-button ClickPad has the 20-bit set while 2-button ClickPad has the 8-bit set. This patch makes the kernel only handle 1-button ClickPad specially, and treat 2-button ClickPad in the same fashion as regular touchpads. This fixes kernel bug #18122 and MeeGo bug #4807. Signed-off-by: Yan Li Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/synaptics.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index 613a3652f98f..0aefaa885871 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -51,7 +51,8 @@ #define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) #define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) #define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) -#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100) +#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ +#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ #define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000) /* synaptics modes query bits */ From 398812159e328478ae49b4bd01f0d71efea96c39 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 1 Dec 2010 10:08:01 +0100 Subject: [PATCH 076/138] [S390] nohz/s390: fix arch_needs_cpu() return value on offline cpus This fixes the same problem as described in the patch "nohz: fix printk_needs_cpu() return value on offline cpus" for the arch_needs_cpu() primitive: arch_needs_cpu() may return 1 if called on offline cpus. When a cpu gets offlined it schedules the idle process which, before killing its own cpu, will call tick_nohz_stop_sched_tick(). That function in turn will call arch_needs_cpu() in order to check if the local tick can be disabled. On offline cpus this function should naturally return 0 since regardless if the tick gets disabled or not the cpu will be dead short after. That is besides the fact that __cpu_disable() should already have made sure that no interrupts on the offlined cpu will be delivered anyway. In this case it prevents tick_nohz_stop_sched_tick() to call select_nohz_load_balancer(). No idea if that really is a problem. However what made me debug this is that on 2.6.32 the function get_nohz_load_balancer() is used within __mod_timer() to select a cpu on which a timer gets enqueued. If arch_needs_cpu() returns 1 then the nohz_load_balancer cpu doesn't get updated when a cpu gets offlined. It may contain the cpu number of an offline cpu. In turn timers get enqueued on an offline cpu and not very surprisingly they never expire and cause system hangs. This has been observed 2.6.32 kernels. On current kernels __mod_timer() uses get_nohz_timer_target() which doesn't have that problem. However there might be other problems because of the too early exit tick_nohz_stop_sched_tick() in case a cpu goes offline. This specific bug was indrocuded with 3c5d92a0 "nohz: Introduce arch_needs_cpu". In this case a cpu hotplug notifier is used to fix the issue in order to keep the normal/fast path small. All we need to do is to clear the condition that makes arch_needs_cpu() return 1 since it is just a performance improvement which is supposed to keep the local tick running for a short period if a cpu goes idle. Nothing special needs to be done except for clearing the condition. Cc: stable@kernel.org Acked-by: Peter Zijlstra Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/vtime.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 56c8687b29b3..7eff9b7347c0 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -566,6 +567,23 @@ void init_cpu_vtimer(void) __ctl_set_bit(0,10); } +static int __cpuinit s390_nohz_notify(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + struct s390_idle_data *idle; + long cpu = (long) hcpu; + + idle = &per_cpu(s390_idle, cpu); + switch (action) { + case CPU_DYING: + case CPU_DYING_FROZEN: + idle->nohz_delay = 0; + default: + break; + } + return NOTIFY_OK; +} + void __init vtime_init(void) { /* request the cpu timer external interrupt */ @@ -574,5 +592,6 @@ void __init vtime_init(void) /* Enable cpu timer interrupts on the boot cpu. */ init_cpu_vtimer(); + cpu_notifier(s390_nohz_notify, 0); } From 8d7bfb4a891d606d52e1a99cf7231b4417b935dc Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Wed, 1 Dec 2010 10:08:02 +0100 Subject: [PATCH 077/138] [S390] css: fix rsid evaluation for 2nd crw Use correct bit positions of rsid field. Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/css.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index a5050e217150..825951b6b83f 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -635,7 +635,7 @@ static void css_process_crw(struct crw *crw0, struct crw *crw1, int overflow) init_subchannel_id(&mchk_schid); mchk_schid.sch_no = crw0->rsid; if (crw1) - mchk_schid.ssid = (crw1->rsid >> 8) & 3; + mchk_schid.ssid = (crw1->rsid >> 4) & 3; /* * Since we are always presented with IPI in the CRW, we have to From 93c176f39fedaeff854ccb7681d626d65bdffe52 Mon Sep 17 00:00:00 2001 From: Caglar Akyuz Date: Tue, 30 Nov 2010 20:04:14 +0000 Subject: [PATCH 078/138] video: da8xx: Register IRQ as last thing in driver probing. Following commit exposed a bug in driver: "fbdev: da8xx/omap-l1xx: implement double buffering" Bug is, if interrupt handler is called before initialization is finished, raster controller is enabled and following register modifications causes hardware to stay in a broken state. By looking at this one may say that proper locking is missing in this driver, and a more proper fix should be prepared. However, aformentioned commit causes a regression in the driver and some fix to current one should be applied first. Signed-off-by: Caglar Akyuz Signed-off-by: Paul Mundt --- drivers/video/da8xx-fb.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index cad7d45c8bac..c265aed09e04 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -1029,10 +1029,6 @@ static int __init fb_probe(struct platform_device *device) goto err_release_pl_mem; } - ret = request_irq(par->irq, lcdc_irq_handler, 0, DRIVER_NAME, par); - if (ret) - goto err_release_pl_mem; - /* Initialize par */ da8xx_fb_info->var.bits_per_pixel = lcd_cfg->bpp; @@ -1060,7 +1056,7 @@ static int __init fb_probe(struct platform_device *device) ret = fb_alloc_cmap(&da8xx_fb_info->cmap, PALETTE_SIZE, 0); if (ret) - goto err_free_irq; + goto err_release_pl_mem; da8xx_fb_info->cmap.len = par->palette_sz; /* initialize var_screeninfo */ @@ -1088,8 +1084,13 @@ static int __init fb_probe(struct platform_device *device) goto err_cpu_freq; } #endif + + ret = request_irq(par->irq, lcdc_irq_handler, 0, DRIVER_NAME, par); + if (ret) + goto irq_freq; return 0; +irq_freq: #ifdef CONFIG_CPU_FREQ err_cpu_freq: unregister_framebuffer(da8xx_fb_info); @@ -1098,9 +1099,6 @@ err_cpu_freq: err_dealloc_cmap: fb_dealloc_cmap(&da8xx_fb_info->cmap); -err_free_irq: - free_irq(par->irq, par); - err_release_pl_mem: dma_free_coherent(NULL, PALETTE_SIZE, par->v_palette_base, par->p_palette_base); From 16cdd4336fdca9b50f991b591005b5f6416f82c4 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Tue, 30 Nov 2010 20:34:52 +0000 Subject: [PATCH 079/138] lxfb: Maintain video processor palette through suspend/resume The Geode X driver uses both of the LX's palettes, one for gamma correction and one for colormaps. The kernel driver currently only backs up the one used for colormaps during suspend/resume. If you mess with gamma settings and do a suspend/resume, colors go funny. Fix this by backing up the video proc palette during suspend/resume, alongside the display controller one which is already handled. Signed-off-by: Daniel Drake Acked-by: Andres Salomon Signed-off-by: Paul Mundt --- drivers/video/geode/lxfb.h | 4 +++- drivers/video/geode/lxfb_ops.c | 20 +++++++++++++++----- 2 files changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/video/geode/lxfb.h b/drivers/video/geode/lxfb.h index e4c4d89b7860..be8ccb47ebe0 100644 --- a/drivers/video/geode/lxfb.h +++ b/drivers/video/geode/lxfb.h @@ -22,6 +22,7 @@ #define DC_HFILT_COUNT 0x100 #define DC_VFILT_COUNT 0x100 #define VP_COEFF_SIZE 0x1000 +#define VP_PAL_COUNT 0x100 #define OUTPUT_CRT 0x01 #define OUTPUT_PANEL 0x02 @@ -48,7 +49,8 @@ struct lxfb_par { uint64_t vp[VP_REG_COUNT]; uint64_t fp[FP_REG_COUNT]; - uint32_t pal[DC_PAL_COUNT]; + uint32_t dc_pal[DC_PAL_COUNT]; + uint32_t vp_pal[VP_PAL_COUNT]; uint32_t hcoeff[DC_HFILT_COUNT * 2]; uint32_t vcoeff[DC_VFILT_COUNT]; uint32_t vp_coeff[VP_COEFF_SIZE / 4]; diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c index 85ec7f64c42a..79e9abc72b83 100644 --- a/drivers/video/geode/lxfb_ops.c +++ b/drivers/video/geode/lxfb_ops.c @@ -610,10 +610,15 @@ static void lx_save_regs(struct lxfb_par *par) memcpy(par->vp, par->vp_regs, sizeof(par->vp)); memcpy(par->fp, par->vp_regs + VP_FP_START, sizeof(par->fp)); - /* save the palette */ + /* save the display controller palette */ write_dc(par, DC_PAL_ADDRESS, 0); - for (i = 0; i < ARRAY_SIZE(par->pal); i++) - par->pal[i] = read_dc(par, DC_PAL_DATA); + for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++) + par->dc_pal[i] = read_dc(par, DC_PAL_DATA); + + /* save the video processor palette */ + write_vp(par, VP_PAR, 0); + for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++) + par->vp_pal[i] = read_vp(par, VP_PDR); /* save the horizontal filter coefficients */ filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL; @@ -706,8 +711,8 @@ static void lx_restore_display_ctlr(struct lxfb_par *par) /* restore the palette */ write_dc(par, DC_PAL_ADDRESS, 0); - for (i = 0; i < ARRAY_SIZE(par->pal); i++) - write_dc(par, DC_PAL_DATA, par->pal[i]); + for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++) + write_dc(par, DC_PAL_DATA, par->dc_pal[i]); /* restore the horizontal filter coefficients */ filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL; @@ -751,6 +756,11 @@ static void lx_restore_video_proc(struct lxfb_par *par) } } + /* restore video processor palette */ + write_vp(par, VP_PAR, 0); + for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++) + write_vp(par, VP_PDR, par->vp_pal[i]); + /* restore video coeff ram */ memcpy(par->vp_regs + VP_VCR, par->vp_coeff, sizeof(par->vp_coeff)); } From 2062ea522bb58bb2aeee86d051b37136491ccd65 Mon Sep 17 00:00:00 2001 From: Dimitris Papastamos Date: Wed, 1 Dec 2010 09:38:55 +0000 Subject: [PATCH 080/138] ASoC: WM8731: Fix incorrect mask for bypass path disable According to the datasheet the bypass path enable/disable is bit 3 therefore we need 0x8 and not 0x4. Signed-off-by: Dimitris Papastamos Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/codecs/wm8731.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 631385802eb4..e725c09a3e79 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -526,7 +526,7 @@ static int wm8731_probe(struct snd_soc_codec *codec) snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0); /* Disable bypass path by default */ - snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0); + snd_soc_update_bits(codec, WM8731_APANA, 0x8, 0); snd_soc_add_controls(codec, wm8731_snd_controls, ARRAY_SIZE(wm8731_snd_controls)); From 1198c6d45a1ef5f4f7fdfbf33ef7d270493ec575 Mon Sep 17 00:00:00 2001 From: Hendrik Brueckner Date: Mon, 29 Nov 2010 14:38:50 -0800 Subject: [PATCH 081/138] initramfs: Really fix build break on symbol-prefixed archs Define the __initramfs_size variable using VMLINUX_SYMBOL() to take care of symbol-prefixed architectures, for example, blackfin. Signed-off-by: Hendrik Brueckner Cc: Mike Frysinger Cc: Hendrik Brueckner , Cc: Michal Marek Cc: Sam Ravnborg Signed-off-by: Andrew Morton [mmarek: leave out Makefile change, since d63f6d1 already takes care of the SYMBOL_PREFIX define] Signed-off-by: Michal Marek --- usr/initramfs_data.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/usr/initramfs_data.S b/usr/initramfs_data.S index 792a750d9441..c14322d1c0cf 100644 --- a/usr/initramfs_data.S +++ b/usr/initramfs_data.S @@ -22,14 +22,15 @@ */ #include +#include .section .init.ramfs,"a" __irf_start: .incbin __stringify(INITRAMFS_IMAGE) __irf_end: .section .init.ramfs.info,"a" -.globl __initramfs_size -__initramfs_size: +.globl VMLINUX_SYMBOL(__initramfs_size) +VMLINUX_SYMBOL(__initramfs_size): #ifdef CONFIG_64BIT .quad __irf_end - __irf_start #else From 8ed9e0e1b602a0bcdc3bef52ec05fdab5b484341 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Wed, 1 Dec 2010 09:19:45 -0800 Subject: [PATCH 082/138] Input: turbografx - fix reference counting The ref-count of parport gained from parport_find_number() was not released in normal path. Signed-off-by: Namhyung Kim Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/turbografx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index d53b9e900234..27b6a3ce18ca 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -245,6 +245,7 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) goto err_free_tgfx; } + parport_put_port(pp); return tgfx; err_free_dev: From 0defe09ca70daccdc83abd9c3c24cd89ae6a1141 Mon Sep 17 00:00:00 2001 From: Daniel T Chen Date: Wed, 1 Dec 2010 19:16:07 -0500 Subject: [PATCH 083/138] ALSA: hda: Use "alienware" model quirk for another SSID BugLink: https://launchpad.net/bugs/683695 The original reporter states that headphone jacks do not appear to work. Upon inspecting his codec dump, and upon further testing, it is confirmed that the "alienware" model quirk is correct. Reported-and-tested-by: Cody Thierauf Cc: [2.6.32+] Signed-off-by: Daniel T Chen Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_sigmatel.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 5c710807dfe5..efa4225f5fd6 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1627,6 +1627,8 @@ static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = { static struct snd_pci_quirk stac92hd73xx_codec_id_cfg_tbl[] = { SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02a1, "Alienware M17x", STAC_ALIENWARE_M17X), + SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x043a, + "Alienware M17x", STAC_ALIENWARE_M17X), {} /* terminator */ }; From 83ed79c561da20019cb24944f535530d73b2d615 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 2 Dec 2010 11:49:06 +0100 Subject: [PATCH 084/138] HID: length resolution should be reported units/mm Input ABI requires reporting resolution on main axes in units per millimeter, not units per inch, so we need to convert accordingly. Tested-by: Nikolai Kondrashov Acked-by: Nikolai Kondrashov Signed-off-by: Dmitry Torokhov Signed-off-by: Jiri Kosina --- drivers/hid/hid-input.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 76e1f64e9765..30af8760174b 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -162,8 +162,8 @@ static int hidinput_setkeycode(struct input_dev *dev, * * as seen in the HID specification v1.11 6.2.2.7 Global Items. * - * Only exponent 1 length units are processed. Centimeters are converted to - * inches. Degrees are converted to radians. + * Only exponent 1 length units are processed. Centimeters and inches are + * converted to millimeters. Degrees are converted to radians. */ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) { @@ -184,13 +184,16 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) */ if (code == ABS_X || code == ABS_Y || code == ABS_Z) { if (field->unit == 0x11) { /* If centimeters */ - /* Convert to inches */ - prev = logical_extents; - logical_extents *= 254; - if (logical_extents < prev) + /* Convert to millimeters */ + unit_exponent += 1; + } else if (field->unit == 0x13) { /* If inches */ + /* Convert to millimeters */ + prev = physical_extents; + physical_extents *= 254; + if (physical_extents < prev) return 0; - unit_exponent += 2; - } else if (field->unit != 0x13) { /* If not inches */ + unit_exponent -= 1; + } else { return 0; } } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) { From 0ffd22b694b739b3dc3f80bc93726b581e8e8af5 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Wed, 1 Dec 2010 11:01:20 +0200 Subject: [PATCH 085/138] ASoC: omap: N810: Don't select CONFIG_OMAP_MUX but make it as dependency Not all omap boards use kernel based pin multiplexing so CONFIG_SND_OMAP_SOC_N810 should not select it by default as it can make harm to other boards in multi-board kernels. Therefore put CONFIG_OMAP_MUX as a dependency to N810 ASoC machine driver. Thanks to Tony Lindgren for noticing. Signed-off-by: Jarkko Nikula Cc: Tony Lindgren Acked-by: Mark Brown Acked-by: Tony Lindgren Signed-off-by: Liam Girdwood --- sound/soc/omap/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index d542ea2ff6be..a088db6d5091 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -12,8 +12,8 @@ config SND_OMAP_SOC_MCPDM config SND_OMAP_SOC_N810 tristate "SoC Audio support for Nokia N810" depends on SND_OMAP_SOC && MACH_NOKIA_N810 && I2C + depends on OMAP_MUX select SND_OMAP_SOC_MCBSP - select OMAP_MUX select SND_SOC_TLV320AIC3X help Say Y if you want to add support for SoC audio on Nokia N810. From e5fc7345412d5e4758fcef55a74354c5cbefd61e Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Wed, 1 Dec 2010 14:51:44 +0000 Subject: [PATCH 086/138] xen: use PHYSDEVOP_get_free_pirq to implement find_unbound_pirq Use the new hypercall PHYSDEVOP_get_free_pirq to ask Xen to allocate a pirq. Remove the unsupported PHYSDEVOP_get_nr_pirqs hypercall to get the amount of pirq available. This fixes find_unbound_pirq that otherwise would return a number starting from nr_irqs that might very well be out of range in Xen. The symptom of this bug is that when you passthrough an MSI capable pci device to a PV on HVM guest, Linux would fail to enable MSIs on the device. Signed-off-by: Stefano Stabellini --- drivers/xen/events.c | 45 +++++++++++++++------------------ include/xen/interface/physdev.h | 10 ++++++++ 2 files changed, 30 insertions(+), 25 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 2811bb988ea0..7ab43c33f746 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -105,7 +105,6 @@ struct irq_info static struct irq_info *irq_info; static int *pirq_to_irq; -static int nr_pirqs; static int *evtchn_to_irq; struct cpu_evtchn_s { @@ -385,12 +384,17 @@ static int get_nr_hw_irqs(void) return ret; } -/* callers of this function should make sure that PHYSDEVOP_get_nr_pirqs - * succeeded otherwise nr_pirqs won't hold the right value */ -static int find_unbound_pirq(void) +static int find_unbound_pirq(int type) { - int i; - for (i = nr_pirqs-1; i >= 0; i--) { + int rc, i; + struct physdev_get_free_pirq op_get_free_pirq; + op_get_free_pirq.type = type; + + rc = HYPERVISOR_physdev_op(PHYSDEVOP_get_free_pirq, &op_get_free_pirq); + if (!rc) + return op_get_free_pirq.pirq; + + for (i = 0; i < nr_irqs; i++) { if (pirq_to_irq[i] < 0) return i; } @@ -611,10 +615,10 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name) spin_lock(&irq_mapping_update_lock); - if ((pirq > nr_pirqs) || (gsi > nr_irqs)) { + if ((pirq > nr_irqs) || (gsi > nr_irqs)) { printk(KERN_WARNING "xen_map_pirq_gsi: %s %s is incorrect!\n", - pirq > nr_pirqs ? "nr_pirqs" :"", - gsi > nr_irqs ? "nr_irqs" : ""); + pirq > nr_irqs ? "pirq" :"", + gsi > nr_irqs ? "gsi" : ""); goto out; } @@ -672,7 +676,7 @@ void xen_allocate_pirq_msi(char *name, int *irq, int *pirq) if (*irq == -1) goto out; - *pirq = find_unbound_pirq(); + *pirq = find_unbound_pirq(MAP_PIRQ_TYPE_MSI); if (*pirq == -1) goto out; @@ -1506,26 +1510,17 @@ void xen_callback_vector(void) {} void __init xen_init_IRQ(void) { - int i, rc; - struct physdev_nr_pirqs op_nr_pirqs; + int i; cpu_evtchn_mask_p = kcalloc(nr_cpu_ids, sizeof(struct cpu_evtchn_s), GFP_KERNEL); irq_info = kcalloc(nr_irqs, sizeof(*irq_info), GFP_KERNEL); - rc = HYPERVISOR_physdev_op(PHYSDEVOP_get_nr_pirqs, &op_nr_pirqs); - if (rc < 0) { - nr_pirqs = nr_irqs; - if (rc != -ENOSYS) - printk(KERN_WARNING "PHYSDEVOP_get_nr_pirqs returned rc=%d\n", rc); - } else { - if (xen_pv_domain() && !xen_initial_domain()) - nr_pirqs = max((int)op_nr_pirqs.nr_pirqs, nr_irqs); - else - nr_pirqs = op_nr_pirqs.nr_pirqs; - } - pirq_to_irq = kcalloc(nr_pirqs, sizeof(*pirq_to_irq), GFP_KERNEL); - for (i = 0; i < nr_pirqs; i++) + /* We are using nr_irqs as the maximum number of pirq available but + * that number is actually chosen by Xen and we don't know exactly + * what it is. Be careful choosing high pirq numbers. */ + pirq_to_irq = kcalloc(nr_irqs, sizeof(*pirq_to_irq), GFP_KERNEL); + for (i = 0; i < nr_irqs; i++) pirq_to_irq[i] = -1; evtchn_to_irq = kcalloc(NR_EVENT_CHANNELS, sizeof(*evtchn_to_irq), diff --git a/include/xen/interface/physdev.h b/include/xen/interface/physdev.h index 2b2c66c3df00..534cac89a77d 100644 --- a/include/xen/interface/physdev.h +++ b/include/xen/interface/physdev.h @@ -188,6 +188,16 @@ struct physdev_nr_pirqs { uint32_t nr_pirqs; }; +/* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI + * the hypercall returns a free pirq */ +#define PHYSDEVOP_get_free_pirq 23 +struct physdev_get_free_pirq { + /* IN */ + int type; + /* OUT */ + uint32_t pirq; +}; + /* * Notify that some PIRQ-bound event channels have been unmasked. * ** This command is obsolete since interface version 0x00030202 and is ** From af42b8d12f8adec6711cb824549a0edac6a4ae8f Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Wed, 1 Dec 2010 14:51:44 +0000 Subject: [PATCH 087/138] xen: fix MSI setup and teardown for PV on HVM guests When remapping MSIs into pirqs for PV on HVM guests, qemu is responsible for doing the actual mapping and unmapping. We only give qemu the desired pirq number when we ask to do the mapping the first time, after that we should be reading back the pirq number from qemu every time we want to re-enable the MSI. This fixes a bug in xen_hvm_setup_msi_irqs that manifests itself when trying to enable the same MSI for the second time: the old MSI to pirq mapping is still valid at this point but xen_hvm_setup_msi_irqs would try to assign a new pirq anyway. A simple way to reproduce this bug is to assign an MSI capable network card to a PV on HVM guest, if the user brings down the corresponding ethernet interface and up again, Linux would fail to enable MSIs on the device. Signed-off-by: Stefano Stabellini --- arch/x86/pci/xen.c | 27 ++++++++++++++++++++------- drivers/xen/events.c | 24 +++++++++++++++++------- include/xen/events.h | 7 ++++++- 3 files changed, 43 insertions(+), 15 deletions(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index d7b5109f7a9c..25cd4a07d09f 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -70,6 +70,9 @@ static int acpi_register_gsi_xen_hvm(struct device *dev, u32 gsi, struct xen_pci_frontend_ops *xen_pci_frontend; EXPORT_SYMBOL_GPL(xen_pci_frontend); +#define XEN_PIRQ_MSI_DATA (MSI_DATA_TRIGGER_EDGE | \ + MSI_DATA_LEVEL_ASSERT | (3 << 8) | MSI_DATA_VECTOR(0)) + static void xen_msi_compose_msg(struct pci_dev *pdev, unsigned int pirq, struct msi_msg *msg) { @@ -83,12 +86,7 @@ static void xen_msi_compose_msg(struct pci_dev *pdev, unsigned int pirq, MSI_ADDR_REDIRECTION_CPU | MSI_ADDR_DEST_ID(pirq); - msg->data = - MSI_DATA_TRIGGER_EDGE | - MSI_DATA_LEVEL_ASSERT | - /* delivery mode reserved */ - (3 << 8) | - MSI_DATA_VECTOR(0); + msg->data = XEN_PIRQ_MSI_DATA; } static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) @@ -98,8 +96,23 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) struct msi_msg msg; list_for_each_entry(msidesc, &dev->msi_list, list) { + __read_msi_msg(msidesc, &msg); + pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) | + ((msg.address_lo >> MSI_ADDR_DEST_ID_SHIFT) & 0xff); + if (xen_irq_from_pirq(pirq) >= 0 && msg.data == XEN_PIRQ_MSI_DATA) { + xen_allocate_pirq_msi((type == PCI_CAP_ID_MSIX) ? + "msi-x" : "msi", &irq, &pirq, XEN_ALLOC_IRQ); + if (irq < 0) + goto error; + ret = set_irq_msi(irq, msidesc); + if (ret < 0) + goto error_while; + printk(KERN_DEBUG "xen: msi already setup: msi --> irq=%d" + " pirq=%d\n", irq, pirq); + return 0; + } xen_allocate_pirq_msi((type == PCI_CAP_ID_MSIX) ? - "msi-x" : "msi", &irq, &pirq); + "msi-x" : "msi", &irq, &pirq, (XEN_ALLOC_IRQ | XEN_ALLOC_PIRQ)); if (irq < 0 || pirq < 0) goto error; printk(KERN_DEBUG "xen: msi --> irq=%d, pirq=%d\n", irq, pirq); diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 7ab43c33f746..f78945ce8aeb 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -668,17 +668,21 @@ out: #include #include "../pci/msi.h" -void xen_allocate_pirq_msi(char *name, int *irq, int *pirq) +void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc) { spin_lock(&irq_mapping_update_lock); - *irq = find_unbound_irq(); - if (*irq == -1) - goto out; + if (alloc & XEN_ALLOC_IRQ) { + *irq = find_unbound_irq(); + if (*irq == -1) + goto out; + } - *pirq = find_unbound_pirq(MAP_PIRQ_TYPE_MSI); - if (*pirq == -1) - goto out; + if (alloc & XEN_ALLOC_PIRQ) { + *pirq = find_unbound_pirq(MAP_PIRQ_TYPE_MSI); + if (*pirq == -1) + goto out; + } set_irq_chip_and_handler_name(*irq, &xen_pirq_chip, handle_level_irq, name); @@ -766,6 +770,7 @@ int xen_destroy_irq(int irq) printk(KERN_WARNING "unmap irq failed %d\n", rc); goto out; } + pirq_to_irq[info->u.pirq.pirq] = -1; } irq_info[irq] = mk_unbound_info(); @@ -786,6 +791,11 @@ int xen_gsi_from_irq(unsigned irq) return gsi_from_irq(irq); } +int xen_irq_from_pirq(unsigned pirq) +{ + return pirq_to_irq[pirq]; +} + int bind_evtchn_to_irq(unsigned int evtchn) { int irq; diff --git a/include/xen/events.h b/include/xen/events.h index 646dd17d3aa4..00f53ddcc062 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -76,7 +76,9 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name); #ifdef CONFIG_PCI_MSI /* Allocate an irq and a pirq to be used with MSIs. */ -void xen_allocate_pirq_msi(char *name, int *irq, int *pirq); +#define XEN_ALLOC_PIRQ (1 << 0) +#define XEN_ALLOC_IRQ (1 << 1) +void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc_mask); int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type); #endif @@ -89,4 +91,7 @@ int xen_vector_from_irq(unsigned pirq); /* Return gsi allocated to pirq */ int xen_gsi_from_irq(unsigned pirq); +/* Return irq from pirq */ +int xen_irq_from_pirq(unsigned pirq); + #endif /* _XEN_EVENTS_H */ From 6411fe69b8c4fd7811339c88c1843d562099fa2b Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Wed, 1 Dec 2010 14:51:44 +0000 Subject: [PATCH 088/138] xen: resume the pv console for hvm guests too Signed-off-by: Stefano Stabellini --- drivers/xen/manage.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index ef9c7db52077..db8c4c4ac880 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -49,6 +49,7 @@ static int xen_hvm_suspend(void *data) if (!*cancelled) { xen_irq_resume(); + xen_console_resume(); xen_timer_resume(); } From 9a069c33c53c2e72ec1b76106be73df044af0195 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Wed, 1 Dec 2010 14:51:44 +0000 Subject: [PATCH 089/138] xen: fix save/restore for PV on HVM guests with pirq remapping Re-map and re-bind all the pirqs at resume time. Signed-off-by: Stefano Stabellini --- drivers/xen/events.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index f78945ce8aeb..f34288a5400c 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -1293,6 +1293,42 @@ static int retrigger_dynirq(unsigned int irq) return ret; } +static void restore_cpu_pirqs(void) +{ + int pirq, rc, irq, gsi; + struct physdev_map_pirq map_irq; + + for (pirq = 0; pirq < nr_irqs; pirq++) { + irq = pirq_to_irq[pirq]; + if (irq == -1) + continue; + + /* save/restore of PT devices doesn't work, so at this point the + * only devices present are GSI based emulated devices */ + gsi = gsi_from_irq(irq); + if (!gsi) + continue; + + map_irq.domid = DOMID_SELF; + map_irq.type = MAP_PIRQ_TYPE_GSI; + map_irq.index = gsi; + map_irq.pirq = pirq; + + rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq); + if (rc) { + printk(KERN_WARNING "xen map irq failed gsi=%d irq=%d pirq=%d rc=%d\n", + gsi, irq, pirq, rc); + irq_info[irq] = mk_unbound_info(); + pirq_to_irq[pirq] = -1; + continue; + } + + printk(KERN_DEBUG "xen: --> irq=%d, pirq=%d\n", irq, map_irq.pirq); + + startup_pirq(irq); + } +} + static void restore_cpu_virqs(unsigned int cpu) { struct evtchn_bind_virq bind_virq; @@ -1436,6 +1472,8 @@ void xen_irq_resume(void) unmask_evtchn(evtchn); } + + restore_cpu_pirqs(); } static struct irq_chip xen_dynamic_chip __read_mostly = { From 512b109ec9620d037d6d2f6bd1bae9ce34dd6779 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Wed, 1 Dec 2010 14:51:44 +0000 Subject: [PATCH 090/138] xen: unplug the emulated devices at resume time Early after being resumed we need to unplug again the emulated devices. Signed-off-by: Stefano Stabellini --- arch/x86/xen/platform-pci-unplug.c | 2 +- arch/x86/xen/suspend.c | 1 + arch/x86/xen/xen-ops.h | 2 +- 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c index 0f456386cce5..25c52f94a27c 100644 --- a/arch/x86/xen/platform-pci-unplug.c +++ b/arch/x86/xen/platform-pci-unplug.c @@ -68,7 +68,7 @@ static int __init check_platform_magic(void) return 0; } -void __init xen_unplug_emulated_devices(void) +void xen_unplug_emulated_devices(void) { int r; diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c index 1d789d56877c..9bbd63a129b5 100644 --- a/arch/x86/xen/suspend.c +++ b/arch/x86/xen/suspend.c @@ -31,6 +31,7 @@ void xen_hvm_post_suspend(int suspend_cancelled) int cpu; xen_hvm_init_shared_info(); xen_callback_vector(); + xen_unplug_emulated_devices(); if (xen_feature(XENFEAT_hvm_safe_pvclock)) { for_each_online_cpu(cpu) { xen_setup_runstate_info(cpu); diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 64044747348e..9d41bf985757 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -43,7 +43,7 @@ void xen_vcpu_restore(void); void xen_callback_vector(void); void xen_hvm_init_shared_info(void); -void __init xen_unplug_emulated_devices(void); +void xen_unplug_emulated_devices(void); void __init xen_build_dynamic_phys_to_machine(void); From 1f64d69c7ad2e48e697493e45590679f7a69b7b2 Mon Sep 17 00:00:00 2001 From: Dean Nelson Date: Thu, 2 Dec 2010 14:31:12 -0800 Subject: [PATCH 091/138] mm/hugetlb.c: avoid double unlock_page() in hugetlb_fault() Have hugetlb_fault() call unlock_page(page) only if it had previously called lock_page(page). Setting CONFIG_DEBUG_VM=y and then running the libhugetlbfs test suite, resulted in the tripping of VM_BUG_ON(!PageLocked(page)) in unlock_page() having been called by hugetlb_fault() when page == pagecache_page. This patch remedied the problem. Signed-off-by: Dean Nelson Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/hugetlb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index c4a3558589ab..85855240933d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2738,7 +2738,8 @@ out_page_table_lock: unlock_page(pagecache_page); put_page(pagecache_page); } - unlock_page(page); + if (page != pagecache_page) + unlock_page(page); out_mutex: mutex_unlock(&hugetlb_instantiation_mutex); From 55cfaa3cbdd29c4919ecb5fb8965c310f357e48c Mon Sep 17 00:00:00 2001 From: Zeng Zhaoming Date: Thu, 2 Dec 2010 14:31:13 -0800 Subject: [PATCH 092/138] mm/mempolicy.c: add rcu read lock to protect pid structure find_task_by_vpid() should be protected by rcu_read_lock(), to prevent free_pid() reclaiming pid. Signed-off-by: Zeng Zhaoming Cc: "Paul E. McKenney" Cc: KOSAKI Motohiro Cc: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/mempolicy.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 4a57f135b76e..11ff260fb282 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1307,15 +1307,18 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, goto out; /* Find the mm_struct */ + rcu_read_lock(); read_lock(&tasklist_lock); task = pid ? find_task_by_vpid(pid) : current; if (!task) { read_unlock(&tasklist_lock); + rcu_read_unlock(); err = -ESRCH; goto out; } mm = get_task_mm(task); read_unlock(&tasklist_lock); + rcu_read_unlock(); err = -EINVAL; if (!mm) From e172662d113ceb22db727a979bb35b9c02f703b5 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Thu, 2 Dec 2010 14:31:13 -0800 Subject: [PATCH 093/138] vmstat: fix dirty threshold ordering The nr_dirty_[background_]threshold fields are misplaced before the numa_* fields, and users will read strange values. This is the right order. Before patch, nr_dirty_background_threshold will read as 0 (the value from numa_miss). numa_hit 128501 numa_miss 0 numa_foreign 0 numa_interleave 7388 numa_local 128501 numa_other 0 nr_dirty_threshold 144291 nr_dirty_background_threshold 72145 Signed-off-by: Wu Fengguang Cc: Michael Rubin Reviewed-by: KOSAKI Motohiro Reviewed-by: Minchan Kim Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/vmstat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/vmstat.c b/mm/vmstat.c index 42eac4d33216..8f62f17ee1c7 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -750,8 +750,6 @@ static const char * const vmstat_text[] = { "nr_shmem", "nr_dirtied", "nr_written", - "nr_dirty_threshold", - "nr_dirty_background_threshold", #ifdef CONFIG_NUMA "numa_hit", @@ -761,6 +759,8 @@ static const char * const vmstat_text[] = { "numa_local", "numa_other", #endif + "nr_dirty_threshold", + "nr_dirty_background_threshold", #ifdef CONFIG_VM_EVENT_COUNTERS "pgpgin", From 0bae35e14b68f5e7075bc96e5ea608b42bdf8f59 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 2 Dec 2010 14:31:14 -0800 Subject: [PATCH 094/138] leds: fix up dependencies It's not useful to build LED triggers when there's no LEDs that can be triggered by them. Therefore, fix up the dependencies so that this cannot happen, and fix a few users that select triggers to depend on LEDS_CLASS as well (there is also one user that also selects LEDS_CLASS, which is OK). Signed-off-by: Johannes Berg Reported-by: Randy Dunlap Acked-by: Randy Dunlap Tested-by: Ingo Molnar Cc: Arnd Hannemann Cc: Michal Hocko Cc: Richard Purdie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/leds/Kconfig | 50 ++++++++++++++++++++++++++++++++------- drivers/macintosh/Kconfig | 1 + net/mac80211/Kconfig | 2 +- 3 files changed, 43 insertions(+), 10 deletions(-) diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 77b8fd20cd90..6f190f4cdbc0 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -7,20 +7,20 @@ menuconfig NEW_LEDS This is not related to standard keyboard LEDs which are controlled via the input system. -if NEW_LEDS - config LEDS_CLASS bool "LED Class Support" + depends on NEW_LEDS help This option enables the led sysfs class in /sys/class/leds. You'll need this to do anything useful with LEDs. If unsure, say N. -if LEDS_CLASS +if NEW_LEDS comment "LED drivers" config LEDS_88PM860X tristate "LED Support for Marvell 88PM860x PMIC" + depends on LEDS_CLASS depends on MFD_88PM860X help This option enables support for on-chip LED drivers found on Marvell @@ -28,6 +28,7 @@ config LEDS_88PM860X config LEDS_ATMEL_PWM tristate "LED Support using Atmel PWM outputs" + depends on LEDS_CLASS depends on ATMEL_PWM help This option enables support for LEDs driven using outputs @@ -35,6 +36,7 @@ config LEDS_ATMEL_PWM config LEDS_LOCOMO tristate "LED Support for Locomo device" + depends on LEDS_CLASS depends on SHARP_LOCOMO help This option enables support for the LEDs on Sharp Locomo. @@ -42,6 +44,7 @@ config LEDS_LOCOMO config LEDS_MIKROTIK_RB532 tristate "LED Support for Mikrotik Routerboard 532" + depends on LEDS_CLASS depends on MIKROTIK_RB532 help This option enables support for the so called "User LED" of @@ -49,6 +52,7 @@ config LEDS_MIKROTIK_RB532 config LEDS_S3C24XX tristate "LED Support for Samsung S3C24XX GPIO LEDs" + depends on LEDS_CLASS depends on ARCH_S3C2410 help This option enables support for LEDs connected to GPIO lines @@ -56,12 +60,14 @@ config LEDS_S3C24XX config LEDS_AMS_DELTA tristate "LED Support for the Amstrad Delta (E3)" + depends on LEDS_CLASS depends on MACH_AMS_DELTA help This option enables support for the LEDs on Amstrad Delta (E3). config LEDS_NET48XX tristate "LED Support for Soekris net48xx series Error LED" + depends on LEDS_CLASS depends on SCx200_GPIO help This option enables support for the Soekris net4801 and net4826 error @@ -79,18 +85,21 @@ config LEDS_NET5501 config LEDS_FSG tristate "LED Support for the Freecom FSG-3" + depends on LEDS_CLASS depends on MACH_FSG help This option enables support for the LEDs on the Freecom FSG-3. config LEDS_WRAP tristate "LED Support for the WRAP series LEDs" + depends on LEDS_CLASS depends on SCx200_GPIO help This option enables support for the PCEngines WRAP programmable LEDs. config LEDS_ALIX2 tristate "LED Support for ALIX.2 and ALIX.3 series" + depends on LEDS_CLASS depends on X86 && !GPIO_CS5535 && !CS5535_GPIO help This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs. @@ -98,12 +107,14 @@ config LEDS_ALIX2 config LEDS_H1940 tristate "LED Support for iPAQ H1940 device" + depends on LEDS_CLASS depends on ARCH_H1940 help This option enables support for the LEDs on the h1940. config LEDS_COBALT_QUBE tristate "LED Support for the Cobalt Qube series front LED" + depends on LEDS_CLASS depends on MIPS_COBALT help This option enables support for the front LED on Cobalt Qube series @@ -117,6 +128,7 @@ config LEDS_COBALT_RAQ config LEDS_SUNFIRE tristate "LED support for SunFire servers." + depends on LEDS_CLASS depends on SPARC64 select LEDS_TRIGGERS help @@ -125,6 +137,7 @@ config LEDS_SUNFIRE config LEDS_HP6XX tristate "LED Support for the HP Jornada 6xx" + depends on LEDS_CLASS depends on SH_HP6XX help This option enables LED support for the handheld @@ -132,6 +145,7 @@ config LEDS_HP6XX config LEDS_PCA9532 tristate "LED driver for PCA9532 dimmer" + depends on LEDS_CLASS depends on I2C && INPUT && EXPERIMENTAL help This option enables support for NXP pca9532 @@ -140,6 +154,7 @@ config LEDS_PCA9532 config LEDS_GPIO tristate "LED Support for GPIO connected LEDs" + depends on LEDS_CLASS depends on GENERIC_GPIO help This option enables support for the LEDs connected to GPIO @@ -167,6 +182,7 @@ config LEDS_GPIO_OF config LEDS_LP3944 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip" + depends on LEDS_CLASS depends on I2C help This option enables support for LEDs connected to the National @@ -196,6 +212,7 @@ config LEDS_LP5523 config LEDS_CLEVO_MAIL tristate "Mail LED on Clevo notebook" + depends on LEDS_CLASS depends on X86 && SERIO_I8042 && DMI help This driver makes the mail LED accessible from userspace @@ -226,6 +243,7 @@ config LEDS_CLEVO_MAIL config LEDS_PCA955X tristate "LED Support for PCA955x I2C chips" + depends on LEDS_CLASS depends on I2C help This option enables support for LEDs connected to PCA955x @@ -234,6 +252,7 @@ config LEDS_PCA955X config LEDS_WM831X_STATUS tristate "LED support for status LEDs on WM831x PMICs" + depends on LEDS_CLASS depends on MFD_WM831X help This option enables support for the status LEDs of the WM831x @@ -241,6 +260,7 @@ config LEDS_WM831X_STATUS config LEDS_WM8350 tristate "LED Support for WM8350 AudioPlus PMIC" + depends on LEDS_CLASS depends on MFD_WM8350 help This option enables support for LEDs driven by the Wolfson @@ -248,6 +268,7 @@ config LEDS_WM8350 config LEDS_DA903X tristate "LED Support for DA9030/DA9034 PMIC" + depends on LEDS_CLASS depends on PMIC_DA903X help This option enables support for on-chip LED drivers found @@ -255,6 +276,7 @@ config LEDS_DA903X config LEDS_DAC124S085 tristate "LED Support for DAC124S085 SPI DAC" + depends on LEDS_CLASS depends on SPI help This option enables support for DAC124S085 SPI DAC from NatSemi, @@ -262,18 +284,21 @@ config LEDS_DAC124S085 config LEDS_PWM tristate "PWM driven LED Support" + depends on LEDS_CLASS depends on HAVE_PWM help This option enables support for pwm driven LEDs config LEDS_REGULATOR tristate "REGULATOR driven LED support" + depends on LEDS_CLASS depends on REGULATOR help This option enables support for regulator driven LEDs. config LEDS_BD2802 tristate "LED driver for BD2802 RGB LED" + depends on LEDS_CLASS depends on I2C help This option enables support for BD2802GU RGB LED driver chips @@ -281,6 +306,7 @@ config LEDS_BD2802 config LEDS_INTEL_SS4200 tristate "LED driver for Intel NAS SS4200 series" + depends on LEDS_CLASS depends on PCI && DMI help This option enables support for the Intel SS4200 series of @@ -290,6 +316,7 @@ config LEDS_INTEL_SS4200 config LEDS_LT3593 tristate "LED driver for LT3593 controllers" + depends on LEDS_CLASS depends on GENERIC_GPIO help This option enables support for LEDs driven by a Linear Technology @@ -298,6 +325,7 @@ config LEDS_LT3593 config LEDS_ADP5520 tristate "LED Support for ADP5520/ADP5501 PMIC" + depends on LEDS_CLASS depends on PMIC_ADP5520 help This option enables support for on-chip LED drivers found @@ -308,6 +336,7 @@ config LEDS_ADP5520 config LEDS_DELL_NETBOOKS tristate "External LED on Dell Business Netbooks" + depends on LEDS_CLASS depends on X86 && ACPI_WMI help This adds support for the Latitude 2100 and similar @@ -315,6 +344,7 @@ config LEDS_DELL_NETBOOKS config LEDS_MC13783 tristate "LED Support for MC13783 PMIC" + depends on LEDS_CLASS depends on MFD_MC13783 help This option enable support for on-chip LED drivers found @@ -322,6 +352,7 @@ config LEDS_MC13783 config LEDS_NS2 tristate "LED support for Network Space v2 GPIO LEDs" + depends on LEDS_CLASS depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2 default y help @@ -340,17 +371,17 @@ config LEDS_NETXBIG config LEDS_TRIGGERS bool "LED Trigger support" + depends on LEDS_CLASS help This option enables trigger support for the leds class. These triggers allow kernel events to drive the LEDs and can be configured via sysfs. If unsure, say Y. -if LEDS_TRIGGERS - comment "LED Triggers" config LEDS_TRIGGER_TIMER tristate "LED Timer Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by a programmable timer via sysfs. Some LED hardware can be programmed to start @@ -362,12 +393,14 @@ config LEDS_TRIGGER_TIMER config LEDS_TRIGGER_IDE_DISK bool "LED IDE Disk Trigger" depends on IDE_GD_ATA + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by IDE disk activity. If unsure, say Y. config LEDS_TRIGGER_HEARTBEAT tristate "LED Heartbeat Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by a CPU load average. The flash frequency is a hyperbolic function of the 1-minute @@ -376,6 +409,7 @@ config LEDS_TRIGGER_HEARTBEAT config LEDS_TRIGGER_BACKLIGHT tristate "LED backlight Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be controlled as a backlight device: they turn off and on when the display is blanked and unblanked. @@ -384,6 +418,7 @@ config LEDS_TRIGGER_BACKLIGHT config LEDS_TRIGGER_GPIO tristate "LED GPIO Trigger" + depends on LEDS_TRIGGERS depends on GPIOLIB help This allows LEDs to be controlled by gpio events. It's good @@ -396,6 +431,7 @@ config LEDS_TRIGGER_GPIO config LEDS_TRIGGER_DEFAULT_ON tristate "LED Default ON Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be initialised in the ON state. If unsure, say Y. @@ -403,8 +439,4 @@ config LEDS_TRIGGER_DEFAULT_ON comment "iptables trigger is under Netfilter config (LED target)" depends on LEDS_TRIGGERS -endif # LEDS_TRIGGERS - -endif # LEDS_CLASS - endif # NEW_LEDS diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index 3d7355ff7308..fa51af11c6f1 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -102,6 +102,7 @@ config ADB_PMU_LED config ADB_PMU_LED_IDE bool "Use front LED as IDE LED by default" depends on ADB_PMU_LED + depends on LEDS_CLASS select LEDS_TRIGGERS select LEDS_TRIGGER_IDE_DISK help diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 4d6f8653ec88..8e8ea9cb7093 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -92,7 +92,7 @@ config MAC80211_MESH config MAC80211_LEDS bool "Enable LED triggers" depends on MAC80211 - select NEW_LEDS + depends on LEDS_CLASS select LEDS_TRIGGERS ---help--- This option enables a few LED triggers for different From 238af8751f64a75f8b638193353b1c31ea32e738 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 2 Dec 2010 14:31:16 -0800 Subject: [PATCH 095/138] reiserfs: don't acquire lock recursively in reiserfs_acl_chmod reiserfs_acl_chmod() can be called by reiserfs_set_attr() and then take the reiserfs lock a second time. Thereafter it may call journal_begin() that definitely requires the lock not to be nested in order to release it before taking the journal mutex because the reiserfs lock depends on the journal mutex already. So, aviod nesting the lock in reiserfs_acl_chmod(). Reported-by: Pawel Zawora Signed-off-by: Frederic Weisbecker Tested-by: Pawel Zawora Cc: Jeff Mahoney Cc: [2.6.32.x+] Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/reiserfs/xattr_acl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index 536d697a8a28..90d2fcb67a31 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -472,7 +472,9 @@ int reiserfs_acl_chmod(struct inode *inode) struct reiserfs_transaction_handle th; size_t size = reiserfs_xattr_nblocks(inode, reiserfs_acl_size(clone->a_count)); - reiserfs_write_lock(inode->i_sb); + int depth; + + depth = reiserfs_write_lock_once(inode->i_sb); error = journal_begin(&th, inode->i_sb, size * 2); if (!error) { int error2; @@ -482,7 +484,7 @@ int reiserfs_acl_chmod(struct inode *inode) if (error2) error = error2; } - reiserfs_write_unlock(inode->i_sb); + reiserfs_write_unlock_once(inode->i_sb, depth); } posix_acl_release(clone); return error; From 853ff88324a248a9f5da6e110850223db353ec07 Mon Sep 17 00:00:00 2001 From: Andres Salomon Date: Thu, 2 Dec 2010 14:31:17 -0800 Subject: [PATCH 096/138] cs5535-gpio: apply CS5536 errata workaround for GPIOs The AMD Geode CS5536 Companion Device Silicon Revision B1 Specification Update mentions the follow as issue #36: "Atomic write transactions to the atomic GPIO High Bank Feature Bit registers should only affect the bits selected [...]" "after Suspend, an atomic write transaction [...] will clear all non-selected bits of the accessed register." In other words, writing to the high bank for a single GPIO bit will clear every other GPIO bit (but only sometimes after a suspend). The workaround described is obvious and simple; do a read-modify-write. This patch does that, and documents why we're doing it. Signed-off-by: Andres Salomon Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpio/cs5535-gpio.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c index e23c06893d19..599f6c9e0fbf 100644 --- a/drivers/gpio/cs5535-gpio.c +++ b/drivers/gpio/cs5535-gpio.c @@ -56,6 +56,18 @@ static struct cs5535_gpio_chip { * registers, see include/linux/cs5535.h. */ +static void errata_outl(u32 val, unsigned long addr) +{ + /* + * According to the CS5536 errata (#36), after suspend + * a write to the high bank GPIO register will clear all + * non-selected bits; the recommended workaround is a + * read-modify-write operation. + */ + val |= inl(addr); + outl(val, addr); +} + static void __cs5535_gpio_set(struct cs5535_gpio_chip *chip, unsigned offset, unsigned int reg) { @@ -64,7 +76,7 @@ static void __cs5535_gpio_set(struct cs5535_gpio_chip *chip, unsigned offset, outl(1 << offset, chip->base + reg); else /* high bank register */ - outl(1 << (offset - 16), chip->base + 0x80 + reg); + errata_outl(1 << (offset - 16), chip->base + 0x80 + reg); } void cs5535_gpio_set(unsigned offset, unsigned int reg) @@ -86,7 +98,7 @@ static void __cs5535_gpio_clear(struct cs5535_gpio_chip *chip, unsigned offset, outl(1 << (offset + 16), chip->base + reg); else /* high bank register */ - outl(1 << offset, chip->base + 0x80 + reg); + errata_outl(1 << offset, chip->base + 0x80 + reg); } void cs5535_gpio_clear(unsigned offset, unsigned int reg) From 64141da587241301ce8638cc945f8b67853156ec Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 2 Dec 2010 14:31:18 -0800 Subject: [PATCH 097/138] vmalloc: eagerly clear ptes on vunmap On stock 2.6.37-rc4, running: # mount lilith:/export /mnt/lilith # find /mnt/lilith/ -type f -print0 | xargs -0 file crashes the machine fairly quickly under Xen. Often it results in oops messages, but the couple of times I tried just now, it just hung quietly and made Xen print some rude messages: (XEN) mm.c:2389:d80 Bad type (saw 7400000000000001 != exp 3000000000000000) for mfn 1d7058 (pfn 18fa7) (XEN) mm.c:964:d80 Attempt to create linear p.t. with write perms (XEN) mm.c:2389:d80 Bad type (saw 7400000000000010 != exp 1000000000000000) for mfn 1d2e04 (pfn 1d1fb) (XEN) mm.c:2965:d80 Error while pinning mfn 1d2e04 Which means the domain tried to map a pagetable page RW, which would allow it to map arbitrary memory, so Xen stopped it. This is because vm_unmap_ram() left some pages mapped in the vmalloc area after NFS had finished with them, and those pages got recycled as pagetable pages while still having these RW aliases. Removing those mappings immediately removes the Xen-visible aliases, and so it has no problem with those pages being reused as pagetable pages. Deferring the TLB flush doesn't upset Xen because it can flush the TLB itself as needed to maintain its invariants. When unmapping a region in the vmalloc space, clear the ptes immediately. There's no point in deferring this because there's no amortization benefit. The TLBs are left dirty, and they are flushed lazily to amortize the cost of the IPIs. This specific motivation for this patch is an oops-causing regression since 2.6.36 when using NFS under Xen, triggered by the NFS client's use of vm_map_ram() introduced in 56e4ebf877b60 ("NFS: readdir with vmapped pages") . XFS also uses vm_map_ram() and could cause similar problems. Signed-off-by: Jeremy Fitzhardinge Cc: Nick Piggin Cc: Bryan Schumaker Cc: Trond Myklebust Cc: Alex Elder Cc: Dave Chinner Cc: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/xen/mmu.c | 2 -- include/linux/vmalloc.h | 2 -- mm/vmalloc.c | 28 +++++++++++++++++----------- 3 files changed, 17 insertions(+), 15 deletions(-) diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index a1feff9e59b6..44924e551fde 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -2415,8 +2415,6 @@ void __init xen_init_mmu_ops(void) x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done; pv_mmu_ops = xen_mmu_ops; - vmap_lazy_unmap = false; - memset(dummy_mapping, 0xff, PAGE_SIZE); } diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index a03dcf62ca9d..44b54f619ac6 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -7,8 +7,6 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ -extern bool vmap_lazy_unmap; - /* bits in flags of vmalloc's vm_struct below */ #define VM_IOREMAP 0x00000001 /* ioremap() and friends */ #define VM_ALLOC 0x00000002 /* vmalloc() */ diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a3d66b3dc5cb..eb5cc7d00c5a 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -31,8 +31,6 @@ #include #include -bool vmap_lazy_unmap __read_mostly = true; - /*** Page table manipulation functions ***/ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end) @@ -503,9 +501,6 @@ static unsigned long lazy_max_pages(void) { unsigned int log; - if (!vmap_lazy_unmap) - return 0; - log = fls(num_online_cpus()); return log * (32UL * 1024 * 1024 / PAGE_SIZE); @@ -566,7 +561,6 @@ static void __purge_vmap_area_lazy(unsigned long *start, unsigned long *end, if (va->va_end > *end) *end = va->va_end; nr += (va->va_end - va->va_start) >> PAGE_SHIFT; - unmap_vmap_area(va); list_add_tail(&va->purge_list, &valist); va->flags |= VM_LAZY_FREEING; va->flags &= ~VM_LAZY_FREE; @@ -611,10 +605,11 @@ static void purge_vmap_area_lazy(void) } /* - * Free and unmap a vmap area, caller ensuring flush_cache_vunmap had been - * called for the correct range previously. + * Free a vmap area, caller ensuring that the area has been unmapped + * and flush_cache_vunmap had been called for the correct range + * previously. */ -static void free_unmap_vmap_area_noflush(struct vmap_area *va) +static void free_vmap_area_noflush(struct vmap_area *va) { va->flags |= VM_LAZY_FREE; atomic_add((va->va_end - va->va_start) >> PAGE_SHIFT, &vmap_lazy_nr); @@ -622,6 +617,16 @@ static void free_unmap_vmap_area_noflush(struct vmap_area *va) try_purge_vmap_area_lazy(); } +/* + * Free and unmap a vmap area, caller ensuring flush_cache_vunmap had been + * called for the correct range previously. + */ +static void free_unmap_vmap_area_noflush(struct vmap_area *va) +{ + unmap_vmap_area(va); + free_vmap_area_noflush(va); +} + /* * Free and unmap a vmap area */ @@ -798,7 +803,7 @@ static void free_vmap_block(struct vmap_block *vb) spin_unlock(&vmap_block_tree_lock); BUG_ON(tmp != vb); - free_unmap_vmap_area_noflush(vb->va); + free_vmap_area_noflush(vb->va); call_rcu(&vb->rcu_head, rcu_free_vb); } @@ -936,6 +941,8 @@ static void vb_free(const void *addr, unsigned long size) rcu_read_unlock(); BUG_ON(!vb); + vunmap_page_range((unsigned long)addr, (unsigned long)addr + size); + spin_lock(&vb->lock); BUG_ON(bitmap_allocate_region(vb->dirty_map, offset >> PAGE_SHIFT, order)); @@ -988,7 +995,6 @@ void vm_unmap_aliases(void) s = vb->va->va_start + (i << PAGE_SHIFT); e = vb->va->va_start + (j << PAGE_SHIFT); - vunmap_page_range(s, e); flush = 1; if (s < start) From 4fe65cab844e6d3d7d310e66a501d5e7242ecb54 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 2 Dec 2010 14:31:19 -0800 Subject: [PATCH 098/138] Documentation/filesystems/vfs.txt: fix ->repeasepage() description ->releasepage() does not remove the page from the mapping. Acked-by: Neil Brown Cc: Trond Myklebust Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/filesystems/vfs.txt | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index ed7e5efc06d8..55c28b79d8dc 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -660,11 +660,10 @@ struct address_space_operations { releasepage: releasepage is called on PagePrivate pages to indicate that the page should be freed if possible. ->releasepage should remove any private data from the page and clear the - PagePrivate flag. It may also remove the page from the - address_space. If this fails for some reason, it may indicate - failure with a 0 return value. - This is used in two distinct though related cases. The first - is when the VM finds a clean page with no active users and + PagePrivate flag. If releasepage() fails for some reason, it must + indicate failure with a 0 return value. + releasepage() is used in two distinct though related cases. The + first is when the VM finds a clean page with no active users and wants to make it a free page. If ->releasepage succeeds, the page will be removed from the address_space and become free. From 20d6c96b5f1cad5c5da4641945ec17a1d9a1afc8 Mon Sep 17 00:00:00 2001 From: KOSAKI Motohiro Date: Thu, 2 Dec 2010 14:31:19 -0800 Subject: [PATCH 099/138] mem-hotplug: introduce {un}lock_memory_hotplug() Presently hwpoison is using lock_system_sleep() to prevent a race with memory hotplug. However lock_system_sleep() is a no-op if CONFIG_HIBERNATION=n. Therefore we need a new lock. Signed-off-by: KOSAKI Motohiro Cc: Andi Kleen Cc: Kamezawa Hiroyuki Suggested-by: Hugh Dickins Acked-by: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/memory_hotplug.h | 6 ++++++ mm/memory-failure.c | 8 ++++---- mm/memory_hotplug.c | 31 ++++++++++++++++++++++++------- 3 files changed, 34 insertions(+), 11 deletions(-) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 4307231bd22f..31c237a00c48 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -161,6 +161,9 @@ extern void register_page_bootmem_info_node(struct pglist_data *pgdat); extern void put_page_bootmem(struct page *page); #endif +void lock_memory_hotplug(void); +void unlock_memory_hotplug(void); + #else /* ! CONFIG_MEMORY_HOTPLUG */ /* * Stub functions for when hotplug is off @@ -192,6 +195,9 @@ static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) { } +static inline void lock_memory_hotplug(void) {} +static inline void unlock_memory_hotplug(void) {} + #endif /* ! CONFIG_MEMORY_HOTPLUG */ #ifdef CONFIG_MEMORY_HOTREMOVE diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 124324134ff6..46ab2c044b0e 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -51,6 +51,7 @@ #include #include #include +#include #include "internal.h" int sysctl_memory_failure_early_kill __read_mostly = 0; @@ -1230,11 +1231,10 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags) return 1; /* - * The lock_system_sleep prevents a race with memory hotplug, - * because the isolation assumes there's only a single user. + * The lock_memory_hotplug prevents a race with memory hotplug. * This is a big hammer, a better would be nicer. */ - lock_system_sleep(); + lock_memory_hotplug(); /* * Isolate the page, so that it doesn't get reallocated if it @@ -1264,7 +1264,7 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags) ret = 1; } unset_migratetype_isolate(p); - unlock_system_sleep(); + unlock_memory_hotplug(); return ret; } diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 9260314a221e..2c6523af5473 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -34,6 +34,23 @@ #include "internal.h" +DEFINE_MUTEX(mem_hotplug_mutex); + +void lock_memory_hotplug(void) +{ + mutex_lock(&mem_hotplug_mutex); + + /* for exclusive hibernation if CONFIG_HIBERNATION=y */ + lock_system_sleep(); +} + +void unlock_memory_hotplug(void) +{ + unlock_system_sleep(); + mutex_unlock(&mem_hotplug_mutex); +} + + /* add this memory to iomem resource */ static struct resource *register_memory_resource(u64 start, u64 size) { @@ -493,7 +510,7 @@ int mem_online_node(int nid) pg_data_t *pgdat; int ret; - lock_system_sleep(); + lock_memory_hotplug(); pgdat = hotadd_new_pgdat(nid, 0); if (pgdat) { ret = -ENOMEM; @@ -504,7 +521,7 @@ int mem_online_node(int nid) BUG_ON(ret); out: - unlock_system_sleep(); + unlock_memory_hotplug(); return ret; } @@ -516,7 +533,7 @@ int __ref add_memory(int nid, u64 start, u64 size) struct resource *res; int ret; - lock_system_sleep(); + lock_memory_hotplug(); res = register_memory_resource(start, size); ret = -EEXIST; @@ -563,7 +580,7 @@ error: release_memory_resource(res); out: - unlock_system_sleep(); + unlock_memory_hotplug(); return ret; } EXPORT_SYMBOL_GPL(add_memory); @@ -791,7 +808,7 @@ static int offline_pages(unsigned long start_pfn, if (!test_pages_in_a_zone(start_pfn, end_pfn)) return -EINVAL; - lock_system_sleep(); + lock_memory_hotplug(); zone = page_zone(pfn_to_page(start_pfn)); node = zone_to_nid(zone); @@ -880,7 +897,7 @@ repeat: writeback_set_ratelimit(); memory_notify(MEM_OFFLINE, &arg); - unlock_system_sleep(); + unlock_memory_hotplug(); return 0; failed_removal: @@ -891,7 +908,7 @@ failed_removal: undo_isolate_page_range(start_pfn, end_pfn); out: - unlock_system_sleep(); + unlock_memory_hotplug(); return ret; } From a0b0f58cdd32ab363a600a294ddaa90f0c32de8c Mon Sep 17 00:00:00 2001 From: KOSAKI Motohiro Date: Thu, 2 Dec 2010 14:31:20 -0800 Subject: [PATCH 100/138] ksm: annotate ksm_thread_mutex is no deadlock source commit 62b61f611e ("ksm: memory hotremove migration only") caused the following new lockdep warning. ======================================================= [ INFO: possible circular locking dependency detected ] ------------------------------------------------------- bash/1621 is trying to acquire lock: ((memory_chain).rwsem){.+.+.+}, at: [] __blocking_notifier_call_chain+0x69/0xc0 but task is already holding lock: (ksm_thread_mutex){+.+.+.}, at: [] ksm_memory_callback+0x3a/0xc0 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (ksm_thread_mutex){+.+.+.}: [] lock_acquire+0xaa/0x140 [] __mutex_lock_common+0x44/0x3f0 [] mutex_lock_nested+0x48/0x60 [] ksm_memory_callback+0x3a/0xc0 [] notifier_call_chain+0x8c/0xe0 [] __blocking_notifier_call_chain+0x7e/0xc0 [] blocking_notifier_call_chain+0x16/0x20 [] memory_notify+0x1b/0x20 [] remove_memory+0x1cc/0x5f0 [] memory_block_change_state+0xfd/0x1a0 [] store_mem_state+0xe2/0xf0 [] sysdev_store+0x20/0x30 [] sysfs_write_file+0xe6/0x170 [] vfs_write+0xc8/0x190 [] sys_write+0x54/0x90 [] system_call_fastpath+0x16/0x1b -> #0 ((memory_chain).rwsem){.+.+.+}: [] __lock_acquire+0x155a/0x1600 [] lock_acquire+0xaa/0x140 [] down_read+0x51/0xa0 [] __blocking_notifier_call_chain+0x69/0xc0 [] blocking_notifier_call_chain+0x16/0x20 [] memory_notify+0x1b/0x20 [] remove_memory+0x56e/0x5f0 [] memory_block_change_state+0xfd/0x1a0 [] store_mem_state+0xe2/0xf0 [] sysdev_store+0x20/0x30 [] sysfs_write_file+0xe6/0x170 [] vfs_write+0xc8/0x190 [] sys_write+0x54/0x90 [] system_call_fastpath+0x16/0x1b But it's a false positive. Both memory_chain.rwsem and ksm_thread_mutex have an outer lock (mem_hotplug_mutex). So they cannot deadlock. Thus, This patch annotate ksm_thread_mutex is not deadlock source. [akpm@linux-foundation.org: update comment, from Hugh] Signed-off-by: KOSAKI Motohiro Acked-by: Hugh Dickins Cc: Andrea Arcangeli Cc: Andi Kleen Cc: KAMEZAWA Hiroyuki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/ksm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/mm/ksm.c b/mm/ksm.c index 65ab5c7067d9..43bc893470b4 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -1724,8 +1724,13 @@ static int ksm_memory_callback(struct notifier_block *self, /* * Keep it very simple for now: just lock out ksmd and * MADV_UNMERGEABLE while any memory is going offline. + * mutex_lock_nested() is necessary because lockdep was alarmed + * that here we take ksm_thread_mutex inside notifier chain + * mutex, and later take notifier chain mutex inside + * ksm_thread_mutex to unlock it. But that's safe because both + * are inside mem_hotplug_mutex. */ - mutex_lock(&ksm_thread_mutex); + mutex_lock_nested(&ksm_thread_mutex, SINGLE_DEPTH_NESTING); break; case MEM_OFFLINE: From 33dd94ae1ccbfb7bf0fb6c692bc3d1c4269e6177 Mon Sep 17 00:00:00 2001 From: Nelson Elhage Date: Thu, 2 Dec 2010 14:31:21 -0800 Subject: [PATCH 101/138] do_exit(): make sure that we run with get_fs() == USER_DS If a user manages to trigger an oops with fs set to KERNEL_DS, fs is not otherwise reset before do_exit(). do_exit may later (via mm_release in fork.c) do a put_user to a user-controlled address, potentially allowing a user to leverage an oops into a controlled write into kernel memory. This is only triggerable in the presence of another bug, but this potentially turns a lot of DoS bugs into privilege escalations, so it's worth fixing. I have proof-of-concept code which uses this bug along with CVE-2010-3849 to write a zero to an arbitrary kernel address, so I've tested that this is not theoretical. A more logical place to put this fix might be when we know an oops has occurred, before we call do_exit(), but that would involve changing every architecture, in multiple places. Let's just stick it in do_exit instead. [akpm@linux-foundation.org: update code comment] Signed-off-by: Nelson Elhage Cc: KOSAKI Motohiro Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/exit.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/kernel/exit.c b/kernel/exit.c index 21aa7b3001fb..676149a4ac5f 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -914,6 +914,15 @@ NORET_TYPE void do_exit(long code) if (unlikely(!tsk->pid)) panic("Attempted to kill the idle task!"); + /* + * If do_exit is called because this processes oopsed, it's possible + * that get_fs() was left as KERNEL_DS, so reset it to USER_DS before + * continuing. Amongst other possible reasons, this is to prevent + * mm_release()->clear_child_tid() from writing to a user-controlled + * kernel address. + */ + set_fs(USER_DS); + tracehook_report_exit(&code); validate_creds_for_do_exit(tsk); From 2a4c92fa24e1853d0e21f9e6e45859b832240f94 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 2 Dec 2010 15:30:06 -0800 Subject: [PATCH 102/138] xen: prevent crashes with non-HIGHMEM 32-bit kernels with largeish memory If this is a non-HIGHMEM 32-bit kernel, then the page structures only go up to the limit of addressable memory, even if more memory is physically present. Don't try to add that extra memory to the balloon. Signed-off-by: Jeremy Fitzhardinge --- drivers/xen/balloon.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 2b17ad5b4b32..43f9f02c7db0 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -412,8 +412,16 @@ static int __init balloon_init(void) register_balloon(&balloon_sysdev); - /* Initialise the balloon with excess memory space. */ - extra_pfn_end = min(e820_end_of_ram_pfn(), + /* + * Initialise the balloon with excess memory space. We need + * to make sure we don't add memory which doesn't exist or + * logically exist. The E820 map can be trimmed to be smaller + * than the amount of physical memory due to the mem= command + * line parameter. And if this is a 32-bit non-HIGHMEM kernel + * on a system with memory which requires highmem to access, + * don't try to use it. + */ + extra_pfn_end = min(min(max_pfn, e820_end_of_ram_pfn()), (unsigned long)PFN_DOWN(xen_extra_mem_start + xen_extra_mem_size)); for (pfn = PFN_UP(xen_extra_mem_start); pfn < extra_pfn_end; From 29dcbc5c25d6d8140337e96bf503c8475092c586 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 2 Dec 2010 16:14:27 -0800 Subject: [PATCH 103/138] xen: allocate irq descs on any NUMA node Allocate irq descs on any NUMA node (we don't care) rather than specifically node 0, which may not exist. (At the moment NUMA is meaningless within a domain, so any info the kernel has is just from an SRAT table we haven't suppressed/disabled.) Signed-off-by: Jeremy Fitzhardinge --- drivers/xen/events.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 2811bb988ea0..0009e489272c 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -423,7 +423,7 @@ static int find_unbound_irq(void) if (irq == start) goto no_irqs; - res = irq_alloc_desc_at(irq, 0); + res = irq_alloc_desc_at(irq, -1); if (WARN_ON(res != irq)) return -1; @@ -630,7 +630,7 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name) if (identity_mapped_irq(gsi) || (!xen_initial_domain() && xen_pv_domain())) { irq = gsi; - irq_alloc_desc_at(irq, 0); + irq_alloc_desc_at(irq, -1); } else irq = find_unbound_irq(); From e17ca5cf3c5b2a769bcde2c37cf0d96f08c8cb17 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Fri, 3 Dec 2010 05:37:53 +0000 Subject: [PATCH 104/138] sh: se/7724: Update clock framework of FSI clock to non-legacy Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Paul Mundt --- arch/sh/boards/mach-se/7724/setup.c | 33 ++++------------------------- 1 file changed, 4 insertions(+), 29 deletions(-) diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 673530500e27..1486ab726ab7 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -283,31 +283,6 @@ static struct platform_device ceu1_device = { }; /* FSI */ -/* - * FSI-A use external clock which came from ak464x. - * So, we should change parent of fsi - */ -#define FCLKACR 0xa4150008 -static void fsimck_init(struct clk *clk) -{ - u32 status = __raw_readl(clk->enable_reg); - - /* use external clock */ - status &= ~0x000000ff; - status |= 0x00000080; - __raw_writel(status, clk->enable_reg); -} - -static struct clk_ops fsimck_clk_ops = { - .init = fsimck_init, -}; - -static struct clk fsimcka_clk = { - .ops = &fsimck_clk_ops, - .enable_reg = (void __iomem *)FCLKACR, - .rate = 0, /* unknown */ -}; - /* change J20, J21, J22 pin to 1-2 connection to use slave mode */ static struct sh_fsi_platform_info fsi_info = { .porta_flags = SH_FSI_BRS_INV | @@ -879,10 +854,10 @@ static int __init devices_setup(void) /* change parent of FSI A */ clk = clk_get(NULL, "fsia_clk"); if (!IS_ERR(clk)) { - clk_register(&fsimcka_clk); - clk_set_parent(clk, &fsimcka_clk); - clk_set_rate(clk, 11000); - clk_set_rate(&fsimcka_clk, 11000); + /* 48kHz dummy clock was used to make sure 1/1 divide */ + clk_set_rate(&sh7724_fsimcka_clk, 48000); + clk_set_parent(clk, &sh7724_fsimcka_clk); + clk_set_rate(clk, 48000); clk_put(clk); } From c44352c5357210172b3c30df61e0bc603ffc700e Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Fri, 3 Dec 2010 05:37:54 +0000 Subject: [PATCH 105/138] sh: se/7724: Remove FSI/B of GPIO init code se7724 board does not have FSI/B. Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Paul Mundt --- arch/sh/boards/mach-se/7724/setup.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 1486ab726ab7..527a0cd956b5 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -827,22 +827,14 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_KEYOUT0, NULL); /* enable FSI */ - gpio_request(GPIO_FN_FSIMCKB, NULL); gpio_request(GPIO_FN_FSIMCKA, NULL); + gpio_request(GPIO_FN_FSIIASD, NULL); gpio_request(GPIO_FN_FSIOASD, NULL); gpio_request(GPIO_FN_FSIIABCK, NULL); gpio_request(GPIO_FN_FSIIALRCK, NULL); gpio_request(GPIO_FN_FSIOABCK, NULL); gpio_request(GPIO_FN_FSIOALRCK, NULL); gpio_request(GPIO_FN_CLKAUDIOAO, NULL); - gpio_request(GPIO_FN_FSIIBSD, NULL); - gpio_request(GPIO_FN_FSIOBSD, NULL); - gpio_request(GPIO_FN_FSIIBBCK, NULL); - gpio_request(GPIO_FN_FSIIBLRCK, NULL); - gpio_request(GPIO_FN_FSIOBBCK, NULL); - gpio_request(GPIO_FN_FSIOBLRCK, NULL); - gpio_request(GPIO_FN_CLKAUDIOBO, NULL); - gpio_request(GPIO_FN_FSIIASD, NULL); /* set SPU2 clock to 83.4 MHz */ clk = clk_get(NULL, "spu_clk"); From 7ac760c2f78ddd8e1bd633767b01becfbbf96720 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Thu, 2 Dec 2010 06:34:01 +0200 Subject: [PATCH 106/138] UBI: fix corrupted PEB detection for NOR flash My new shiny code for corrupted PEB detection has NOR specific bug. We tread PEB as corrupted and preserve it, if 1. EC header is OK. 2. VID header is corrupted. 3. data area is not "all 0xFFs" In case of NOR we have 'nor_erase_prepare()' quirk, which invalidates the headers before erasing the PEB. And we invalidate first the VID header, and then the EC header. So if a power cut happens after we have invalidated the VID header, but before we have invalidated the EC header, we end up with a PEB which satisfies the above 3 conditions, and the scanning code will treat it as corrupted, and will print scary warnings, wrongly. This patch fixes the issue by firt invalidating the EC header, then invalidating the VID header. In case of power cut inbetween, we still just lose the EC header, and UBI can deal with this situation gracefully. Thanks to Anatolij Gustschin for tracking this down. Signed-off-by: Artem Bityutskiy Reported-by: Anatolij Gustschin Tested-by: Anatolij Gustschin --- drivers/mtd/ubi/io.c | 37 +++++++++++++++++++++++++------------ drivers/mtd/ubi/scan.c | 4 ++++ 2 files changed, 29 insertions(+), 12 deletions(-) diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index c2960ac9f39c..811775aa8ee8 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -482,10 +482,17 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum) uint32_t data = 0; struct ubi_vid_hdr vid_hdr; - addr = (loff_t)pnum * ubi->peb_size + ubi->vid_hdr_aloffset; + /* + * It is important to first invalidate the EC header, and then the VID + * header. Otherwise a power cut may lead to valid EC header and + * invalid VID header, in which case UBI will treat this PEB as + * corrupted and will try to preserve it, and print scary warnings (see + * the header comment in scan.c for more information). + */ + addr = (loff_t)pnum * ubi->peb_size; err = ubi->mtd->write(ubi->mtd, addr, 4, &written, (void *)&data); if (!err) { - addr -= ubi->vid_hdr_aloffset; + addr += ubi->vid_hdr_aloffset; err = ubi->mtd->write(ubi->mtd, addr, 4, &written, (void *)&data); if (!err) @@ -494,18 +501,24 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum) /* * We failed to write to the media. This was observed with Spansion - * S29GL512N NOR flash. Most probably the eraseblock erasure was - * interrupted at a very inappropriate moment, so it became unwritable. - * In this case we probably anyway have garbage in this PEB. + * S29GL512N NOR flash. Most probably the previously eraseblock erasure + * was interrupted at a very inappropriate moment, so it became + * unwritable. In this case we probably anyway have garbage in this + * PEB. */ err1 = ubi_io_read_vid_hdr(ubi, pnum, &vid_hdr, 0); - if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR) - /* - * The VID header is corrupted, so we can safely erase this - * PEB and not afraid that it will be treated as a valid PEB in - * case of an unclean reboot. - */ - return 0; + if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR) { + struct ubi_ec_hdr ec_hdr; + + err1 = ubi_io_read_ec_hdr(ubi, pnum, &ec_hdr, 0); + if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR) + /* + * Both VID and EC headers are corrupted, so we can + * safely erase this PEB and not afraid that it will be + * treated as a valid PEB in case of an unclean reboot. + */ + return 0; + } /* * The PEB contains a valid VID header, but we cannot invalidate it. diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index 204345be8e62..79ca304fc4db 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -953,6 +953,10 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si, * impossible to distinguish it from a PEB which just * contains garbage because of a power cut during erase * operation. So we just schedule this PEB for erasure. + * + * Besides, in case of NOR flash, we deliberatly + * corrupt both headers because NOR flash erasure is + * slow and can start from the end. */ err = 0; else From a9df42e1175d30545ffa1e17a3df1b39c107d33a Mon Sep 17 00:00:00 2001 From: David Howells Date: Fri, 3 Dec 2010 15:59:50 +0000 Subject: [PATCH 107/138] MN10300: Implement asm/syscall.h Implement asm/syscall.h for the MN10300 arch. Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- arch/mn10300/include/asm/syscall.h | 117 +++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 arch/mn10300/include/asm/syscall.h diff --git a/arch/mn10300/include/asm/syscall.h b/arch/mn10300/include/asm/syscall.h new file mode 100644 index 000000000000..b44b0bb75a01 --- /dev/null +++ b/arch/mn10300/include/asm/syscall.h @@ -0,0 +1,117 @@ +/* Access to user system call parameters and results + * + * See asm-generic/syscall.h for function descriptions. + * + * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_SYSCALL_H +#define _ASM_SYSCALL_H + +#include +#include + +extern const unsigned long sys_call_table[]; + +static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) +{ + return regs->orig_d0; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->d0 = regs->orig_d0; +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + unsigned long error = regs->d0; + return IS_ERR_VALUE(error) ? error : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->d0; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + regs->d0 = (long) error ?: val; +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + switch (i) { + case 0: + if (!n--) break; + *args++ = regs->a0; + case 1: + if (!n--) break; + *args++ = regs->d1; + case 2: + if (!n--) break; + *args++ = regs->a3; + case 3: + if (!n--) break; + *args++ = regs->a2; + case 4: + if (!n--) break; + *args++ = regs->d3; + case 5: + if (!n--) break; + *args++ = regs->d2; + case 6: + if (!n--) break; + default: + BUG(); + break; + } +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + switch (i) { + case 0: + if (!n--) break; + regs->a0 = *args++; + case 1: + if (!n--) break; + regs->d1 = *args++; + case 2: + if (!n--) break; + regs->a3 = *args++; + case 3: + if (!n--) break; + regs->a2 = *args++; + case 4: + if (!n--) break; + regs->d3 = *args++; + case 5: + if (!n--) break; + regs->d2 = *args++; + case 6: + if (!n--) break; + default: + BUG(); + break; + } +} + +#endif /* _ASM_SYSCALL_H */ From 2e18edf75d586d9044c1f1e6b1bc8e7c26c4149f Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 3 Dec 2010 18:00:06 +0000 Subject: [PATCH 108/138] ARM: mini2440: Fix Kconfig to allow kernel to build The MACH_MINI2440 entry requires the backlight LED driver, but this subsystem has not been enabled and the select of LEDS_TRIGGER_BACKLIGHT alone is insufficient to enable the necessary bits of the LED driver. Add NEW_LEDS, LEDS_CLASS and LEDS_TRIGGER to the select to allow the kernel to link. This fixes the following error: drivers/built-in.o: In function `led_trigger_set': /home/ben/linux.git/drivers/leds/led-triggers.c:116: undefined reference to `led_brightness_set' Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2440/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index ff024a6c0f85..adea6b924cf1 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -178,6 +178,9 @@ config MACH_MINI2440 bool "MINI2440 development board" select CPU_S3C2440 select EEPROM_AT24 + select NEW_LEDS + select LEDS_CLASS + select LEDS_TRIGGER select LEDS_TRIGGER_BACKLIGHT select S3C_DEV_NAND select S3C_DEV_USB_HOST From 37d57443d5d810c6ef49e93586b046e7d4774818 Mon Sep 17 00:00:00 2001 From: Tero Roponen Date: Wed, 1 Dec 2010 20:04:20 +0200 Subject: [PATCH 109/138] slub: Fix a crash during slabinfo -v Commit f7cb1933621bce66a77f690776a16fe3ebbc4d58 ("SLUB: Pass active and inactive redzone flags instead of boolean to debug functions") missed two instances of check_object(). This caused a lot of warnings during 'slabinfo -v' finally leading to a crash: BUG ext4_xattr: Freepointer corrupt ... BUG buffer_head: Freepointer corrupt ... BUG ext4_alloc_context: Freepointer corrupt ... ... BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [] file_sb_list_del+0x1c/0x35 PGD 79d78067 PUD 79e67067 PMD 0 Oops: 0002 [#1] SMP last sysfs file: /sys/kernel/slab/:t-0000192/validate This patch fixes the problem by converting the two missed instances. Acked-by: Christoph Lameter Signed-off-by: Tero Roponen Signed-off-by: Pekka Enberg --- mm/slub.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 981fb730aa04..bec0e355fbad 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3401,13 +3401,13 @@ static int validate_slab(struct kmem_cache *s, struct page *page, for_each_free_object(p, s, page->freelist) { set_bit(slab_index(p, s, addr), map); - if (!check_object(s, page, p, 0)) + if (!check_object(s, page, p, SLUB_RED_INACTIVE)) return 0; } for_each_object(p, s, addr, page->objects) if (!test_bit(slab_index(p, s, addr), map)) - if (!check_object(s, page, p, 1)) + if (!check_object(s, page, p, SLUB_RED_ACTIVE)) return 0; return 1; } From 55afd264cdd5d5848753e90884ed596e11bce0ff Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Wed, 1 Dec 2010 18:12:43 +0100 Subject: [PATCH 110/138] ARM: 6519/1: kuser: Fix incorrect cmpxchg syscall in kuser helpers The existing code invokes the syscall with rubbish in r7, due to what looks like an incorrect literal load idiom. Reviewed-by: Will Deacon Signed-off-by: Dave Martin Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/kernel/entry-armv.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index c09e3573c5de..bb96a7d4bbf5 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -911,7 +911,7 @@ __kuser_cmpxchg: @ 0xffff0fc0 * A special ghost syscall is used for that (see traps.c). */ stmfd sp!, {r7, lr} - ldr r7, =1f @ it's 20 bits + ldr r7, 1f @ it's 20 bits swi __ARM_NR_cmpxchg ldmfd sp!, {r7, pc} 1: .word __ARM_NR_cmpxchg From b9f515e3e3861abbaa093359f7c6f31283695228 Mon Sep 17 00:00:00 2001 From: Marcelo Roberto Jimenez Date: Mon, 18 Oct 2010 22:38:08 +0100 Subject: [PATCH 111/138] ARM: 6456/1: Fix for building DEBUG with sa11xx_base.c as a module. This patch fixes a compilation issue when compiling PCMCIA SA1100 support as a module with PCMCIA_DEBUG enabled. The symbol soc_pcmcia_debug was not beeing exported. ARM: pcmcia: Fix for building DEBUG with sa11xx_base.c as a module. This patch fixes a compilation issue when compiling PCMCIA SA1100 support as a module with PCMCIA_DEBUG enabled. The symbol soc_pcmcia_debug was not beeing exported. Cc: Signed-off-by: Marcelo Roberto Jimenez Signed-off-by: Russell King --- drivers/pcmcia/soc_common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 3753fd0722e7..2fe8cb8e95cd 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -70,6 +70,7 @@ void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func, va_end(args); } } +EXPORT_SYMBOL(soc_pcmcia_debug); #endif From a5542a0f9aca5588a0afd0489c26d858405bfecb Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Sat, 4 Dec 2010 06:20:52 +0100 Subject: [PATCH 112/138] ARM: 6523/1: iop: ensure sched_clock() is notrace Include sched.h to ensure sched_clock() has the notrace annotation, and mark any functions it calls as notrace too. Include sched.h to ensure sched_clock() has the notrace annotation, and mark any functions it calls as notrace too. Acked-by: Dan Williams Signed-off-by: Rabin Vincent Signed-off-by: Russell King --- arch/arm/plat-iop/time.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c index 85d3e55ca4a9..558cdfaf76b6 100644 --- a/arch/arm/plat-iop/time.c +++ b/arch/arm/plat-iop/time.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -36,7 +37,7 @@ /* * IOP clocksource (free-running timer 1). */ -static cycle_t iop_clocksource_read(struct clocksource *unused) +static cycle_t notrace iop_clocksource_read(struct clocksource *unused) { return 0xffffffffu - read_tcr1(); } From d16cd297d288e48482c3c261db434a2e13bd9f20 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Thu, 2 Dec 2010 23:36:47 +0000 Subject: [PATCH 113/138] parisc: fix dino/gsc interrupts The essential problem we're currently having is that dino (and gsc) is a cascaded CPU interrupt. Under the old __do_IRQ() handler, our CPU interrupts basically did an ack followed by an end. In the new scheme, we replaced them with level handlers which do a mask, an ack and then an unmask (but no end). Instead, with the renaming of end to eoi, we actually want to call the percpu flow handlers, because they actually have all the characteristics we want. This patch does the conversion and gets my C360 booting again. Signed-off-by: James Bottomley Signed-off-by: Kyle McMartin --- arch/parisc/kernel/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 5024f643b3b1..48aa71106db8 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -392,7 +392,7 @@ static void claim_cpu_irqs(void) int i; for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) { set_irq_chip_and_handler(i, &cpu_interrupt_type, - handle_level_irq); + handle_percpu_irq); } set_irq_handler(TIMER_IRQ, handle_percpu_irq); From 51890613f2bfa70453a5cc22c91c63946dd311cd Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Fri, 3 Dec 2010 02:01:05 +0000 Subject: [PATCH 114/138] parisc: convert the rest of the irq handlers to simple/percpu The generic conversion eliminates the spurious no_ack and no_end routines, converts all the cascaded handlers to handle_simple_irq() and makes iosapic use a modified handle_percpu_irq() to become the same as the CPU irq's. This isn't an essential change, but it eliminates the mask/unmask overhead of handle_level_irq(). Signed-off-by: James Bottomley Tested-by: Helge Deller Signed-off-by: Kyle McMartin --- arch/parisc/kernel/irq.c | 5 +---- drivers/parisc/dino.c | 1 - drivers/parisc/eisa.c | 3 +-- drivers/parisc/gsc.c | 3 +-- drivers/parisc/iosapic.c | 8 ++++++++ drivers/parisc/superio.c | 3 +-- 6 files changed, 12 insertions(+), 11 deletions(-) diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 48aa71106db8..d7d94b845dc2 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -75,9 +75,6 @@ static void cpu_unmask_irq(unsigned int irq) smp_send_all_nop(); } -void no_ack_irq(unsigned int irq) { } -void no_end_irq(unsigned int irq) { } - void cpu_ack_irq(unsigned int irq) { unsigned long mask = EIEM_MASK(irq); @@ -241,7 +238,7 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data) /* for iosapic interrupts */ if (type) { - set_irq_chip_and_handler(irq, type, handle_level_irq); + set_irq_chip_and_handler(irq, type, handle_percpu_irq); set_irq_chip_data(irq, data); cpu_unmask_irq(irq); } diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index d9f51485beee..9383063d2b16 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -349,7 +349,6 @@ static struct irq_chip dino_interrupt_type = { .name = "GSC-PCI", .unmask = dino_unmask_irq, .mask = dino_mask_irq, - .ack = no_ack_irq, }; diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index 1211974f55aa..e860038b0b84 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -186,7 +186,6 @@ static struct irq_chip eisa_interrupt_type = { .name = "EISA", .unmask = eisa_unmask_irq, .mask = eisa_mask_irq, - .ack = no_ack_irq, }; static irqreturn_t eisa_irq(int wax_irq, void *intr_dev) @@ -340,7 +339,7 @@ static int __init eisa_probe(struct parisc_device *dev) setup_irq(2, &irq2_action); for (i = 0; i < 16; i++) { set_irq_chip_and_handler(i, &eisa_interrupt_type, - handle_level_irq); + handle_simple_irq); } EISA_bus = 1; diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c index e605298e3aee..772b1939ac21 100644 --- a/drivers/parisc/gsc.c +++ b/drivers/parisc/gsc.c @@ -143,7 +143,6 @@ static struct irq_chip gsc_asic_interrupt_type = { .name = "GSC-ASIC", .unmask = gsc_asic_unmask_irq, .mask = gsc_asic_mask_irq, - .ack = no_ack_irq, }; int gsc_assign_irq(struct irq_chip *type, void *data) @@ -153,7 +152,7 @@ int gsc_assign_irq(struct irq_chip *type, void *data) if (irq > GSC_IRQ_MAX) return NO_IRQ; - set_irq_chip_and_handler(irq, type, handle_level_irq); + set_irq_chip_and_handler(irq, type, handle_simple_irq); set_irq_chip_data(irq, data); return irq++; diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index a3120a09c43d..0327894bf235 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -669,6 +669,13 @@ printk("\n"); DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", irq, vi->eoi_addr, vi->eoi_data); iosapic_eoi(vi->eoi_addr, vi->eoi_data); +} + +static void iosapic_eoi_irq(unsigned int irq) +{ + struct vector_info *vi = get_irq_chip_data(irq); + + iosapic_eoi(vi->eoi_addr, vi->eoi_data); cpu_eoi_irq(irq); } @@ -705,6 +712,7 @@ static struct irq_chip iosapic_interrupt_type = { .unmask = iosapic_unmask_irq, .mask = iosapic_mask_irq, .ack = cpu_ack_irq, + .eoi = iosapic_eoi_irq, #ifdef CONFIG_SMP .set_affinity = iosapic_set_affinity_irq, #endif diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index 0846dafdfff1..28241532c0fd 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -323,7 +323,6 @@ static struct irq_chip superio_interrupt_type = { .name = SUPERIO, .unmask = superio_unmask_irq, .mask = superio_mask_irq, - .ack = no_ack_irq, }; #ifdef DEBUG_SUPERIO_INIT @@ -354,7 +353,7 @@ int superio_fixup_irq(struct pci_dev *pcidev) #endif for (i = 0; i < 16; i++) { - set_irq_chip_and_handler(i, &superio_interrupt_type, handle_level_irq); + set_irq_chip_and_handler(i, &superio_interrupt_type, handle_simple_irq); } /* From 79a04296231171157031d0bd8cd4038317e13cf2 Mon Sep 17 00:00:00 2001 From: Guy Martin Date: Sat, 6 Nov 2010 16:24:29 +0000 Subject: [PATCH 115/138] parisc: KittyHawk LCD fix K class aka KittyHawk don't have LED support on their LCD. Installing HP-UX confirmed this. The current led_wq fills the LCD with black characters each time it runs. The patch prevents the led_wq workqueue and its proc entry to be created for KittyHawk machines. It also increase min_cmd_delay as currently, one character out of two is lost when a string is sent to the LCD. Signed-off-by: Guy Martin Signed-off-by: Kyle McMartin --- drivers/parisc/led.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 2350e8a86eef..f2f501e5b6a0 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -64,6 +64,7 @@ static unsigned int led_diskio __read_mostly = 1; static unsigned int led_lanrxtx __read_mostly = 1; static char lcd_text[32] __read_mostly; static char lcd_text_default[32] __read_mostly; +static int lcd_no_led_support __read_mostly = 0; /* KittyHawk doesn't support LED on its LCD */ static struct workqueue_struct *led_wq; @@ -115,7 +116,7 @@ lcd_info __attribute__((aligned(8))) __read_mostly = .lcd_width = 16, .lcd_cmd_reg_addr = KITTYHAWK_LCD_CMD, .lcd_data_reg_addr = KITTYHAWK_LCD_DATA, - .min_cmd_delay = 40, + .min_cmd_delay = 80, .reset_cmd1 = 0x80, .reset_cmd2 = 0xc0, }; @@ -135,6 +136,9 @@ static int start_task(void) /* Display the default text now */ if (led_type == LED_HASLCD) lcd_print( lcd_text_default ); + /* KittyHawk has no LED support on its LCD */ + if (lcd_no_led_support) return 0; + /* Create the work queue and queue the LED task */ led_wq = create_singlethread_workqueue("led_wq"); queue_delayed_work(led_wq, &led_task, 0); @@ -248,9 +252,13 @@ static int __init led_create_procfs(void) proc_pdc_root = proc_mkdir("pdc", 0); if (!proc_pdc_root) return -1; - ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root, - &led_proc_fops, (void *)LED_NOLCD); /* LED */ - if (!ent) return -1; + + if (!lcd_no_led_support) + { + ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root, + &led_proc_fops, (void *)LED_NOLCD); /* LED */ + if (!ent) return -1; + } if (led_type == LED_HASLCD) { @@ -692,6 +700,7 @@ int __init led_init(void) case 0x58B: /* KittyHawk DC2 100 (K200) */ printk(KERN_INFO "%s: KittyHawk-Machine (hversion 0x%x) found, " "LED detection skipped.\n", __FILE__, CPU_HVERSION); + lcd_no_led_support = 1; goto found; /* use the preinitialized values of lcd_info */ } From 7bfbeae9c78fb9404ccbd62a25c82f5860432ac9 Mon Sep 17 00:00:00 2001 From: Guy Martin Date: Tue, 2 Nov 2010 15:23:08 +0000 Subject: [PATCH 116/138] parisc: Fix GSC PS/2 driver name for keyboard and mouse Fix kernel warnings caused by the driver name of GSC PS/2 containing '/'. The following warnings are observed on a K410 system : [ 10.700000] name 'GSC PS/2 keyboard' [ 10.732000] ------------[ cut here ]------------ [ 10.772000] WARNING: at fs/proc/generic.c:323 [ 10.828000] Modules linked in: [ 10.916000] [ 10.916000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [ 10.936000] PSW: 00000000000001000000000000001111 Not tainted [ 10.992000] r00-03 0004000f 104fe3e0 10201ea0 00000000 [ 11.060000] r04-07 4fc405c8 00000006 4fc405c8 4fc40694 [ 11.124000] r08-11 4fc40708 10438aa0 00000001 1043bfc8 [ 11.184000] r12-15 104ff2a0 104ff2a0 4fc38634 104ff2a0 [ 11.248000] r16-19 f0001570 10479af0 f000006c 1044fe50 [ 11.308000] r20-23 00000000 00000028 104cd858 00000000 [ 11.372000] r24-27 ffffffff 0000000e 1044fe10 1043bbe0 [ 11.436000] r28-31 0000002b 00000078 4fc40800 0000000d [ 11.496000] sr00-03 00000000 00000000 00000000 00000000 [ 11.560000] sr04-07 00000000 00000000 00000000 00000000 [ 11.624000] [ 11.688000] IASQ: 00000000 00000000 IAOQ: 10201ea0 10201ea4 [ 11.704000] IIR: 03ffe01f ISR: 00000000 IOR: 0000000d [ 11.772000] CPU: 0 CR30: 4fc40000 CR31: f01043b0 [ 11.836000] ORIG_R28: 4fc40940 [ 11.904000] IAOQ[0]: __xlate_proc_name+0x90/0xd0 [ 11.940000] IAOQ[1]: __xlate_proc_name+0x94/0xd0 [ 11.996000] RP(r2): __xlate_proc_name+0x90/0xd0 [ 12.052000] Backtrace: [ 12.108000] [<10257790>] vsnprintf+0x290/0x4f4 [ 12.136000] [ 12.188000] ---[ end trace 91bf6ece17e322dd ]--- [ 12.208000] serio: GSC PS/2 keyboard port at 0x0001c000 irq 19 @ 10:12:7 [ 12.264000] name 'GSC PS/2 mouse' [ 12.344000] ------------[ cut here ]------------ [ 12.384000] WARNING: at fs/proc/generic.c:323 [ 12.436000] Modules linked in: [ 12.524000] [ 12.528000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [ 12.544000] PSW: 00000000000001000000000000001111 Tainted: G W [ 12.600000] r00-03 0004000f 104fe3e0 10201ea0 00000000 [ 12.680000] r04-07 4fc405c8 00000006 4fc405c8 4fc40694 [ 12.740000] r08-11 4fc40708 10438aa0 00000001 1043bfc8 [ 12.804000] r12-15 104ff2a0 104ff2a0 4fc38634 104ff2a0 [ 12.868000] r16-19 f0001570 10479af0 f000006c 1044fe50 [ 12.928000] r20-23 00000000 00000025 104cd858 00000000 [ 12.992000] r24-27 ffffffff 0000000e 1044fe10 1043bbe0 [ 13.056000] r28-31 00000028 00000078 4fc40800 0000000d [ 13.116000] sr00-03 00000000 00000000 00000000 00000000 [ 13.180000] sr04-07 00000000 00000000 00000000 00000000 [ 13.244000] [ 13.308000] IASQ: 00000000 00000000 IAOQ: 10201ea0 10201ea4 [ 13.324000] IIR: 03ffe01f ISR: 00000000 IOR: 0000000d [ 13.392000] CPU: 0 CR30: 4fc40000 CR31: f01043b0 [ 13.456000] ORIG_R28: 4fc40940 [ 13.524000] IAOQ[0]: __xlate_proc_name+0x90/0xd0 [ 13.560000] IAOQ[1]: __xlate_proc_name+0x94/0xd0 [ 13.616000] RP(r2): __xlate_proc_name+0x90/0xd0 [ 13.672000] Backtrace: [ 13.728000] [<10257790>] vsnprintf+0x290/0x4f4 [ 13.756000] [ 13.808000] ---[ end trace 91bf6ece17e322de ]--- [ 13.828000] serio: GSC PS/2 mouse port at 0x00020100 irq 19 @ 10:12:8 Signed-off-by: Guy Martin Acked-by: Helge Deller Signed-off-by: Kyle McMartin --- drivers/input/serio/gscps2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 3c287dd879d3..4225f5d6b15f 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -358,7 +358,7 @@ static int __devinit gscps2_probe(struct parisc_device *dev) gscps2_reset(ps2port); ps2port->id = readb(ps2port->addr + GSC_ID) & 0x0f; - snprintf(serio->name, sizeof(serio->name), "GSC PS/2 %s", + snprintf(serio->name, sizeof(serio->name), "gsc-ps2-%s", (ps2port->id == GSC_ID_KEYBOARD) ? "keyboard" : "mouse"); strlcpy(serio->phys, dev_name(&dev->dev), sizeof(serio->phys)); serio->id.type = SERIO_8042; From 7b2a69ba7055da9a04eb96aa7b38c8e3280aaaa5 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Sun, 5 Dec 2010 15:51:21 -0800 Subject: [PATCH 117/138] Revert "vfs: show unreachable paths in getcwd and proc" Because it caused a chroot ttyname regression in 2.6.36. As of 2.6.36 ttyname does not work in a chroot. It has already been reported that screen breaks, and for me this breaks an automated distribution testsuite, that I need to preserve the ability to run the existing binaries on for several more years. glibc 2.11.3 which has a fix for this is not an option. The root cause of this breakage is: commit 8df9d1a4142311c084ffeeacb67cd34d190eff74 Author: Miklos Szeredi Date: Tue Aug 10 11:41:41 2010 +0200 vfs: show unreachable paths in getcwd and proc Prepend "(unreachable)" to path strings if the path is not reachable from the current root. Two places updated are - the return string from getcwd() - and symlinks under /proc/$PID. Other uses of d_path() are left unchanged (we know that some old software crashes if /proc/mounts is changed). Signed-off-by: Miklos Szeredi Signed-off-by: Al Viro So remove the nice sounding, but ultimately ill advised change to how /proc/fd symlinks work. Signed-off-by: "Eric W. Biederman" Signed-off-by: Linus Torvalds --- fs/proc/base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/base.c b/fs/proc/base.c index f3d02ca461ec..182845147fe4 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1574,7 +1574,7 @@ static int do_proc_readlink(struct path *path, char __user *buffer, int buflen) if (!tmp) return -ENOMEM; - pathname = d_path_with_unreachable(path, tmp, PAGE_SIZE); + pathname = d_path(path, tmp, PAGE_SIZE); len = PTR_ERR(pathname); if (IS_ERR(pathname)) goto out; From 87507500b7fc3620e467abb617a3452f0cccc72d Mon Sep 17 00:00:00 2001 From: Chao Xie Date: Mon, 6 Dec 2010 07:01:10 +0100 Subject: [PATCH 118/138] ARM: 6524/1: GIC irq desciptor bug fix gic_set_cpu will directly use irq_desc[]. If CONFIG_SPARSE_IRQ is enabled, there is no irq_desc[]. So we need use irq_to_desc(irq) to get the descriptor for irq. Signed-off-by: Chao Xie Acked-by: Kyungmin Park Signed-off-by: Russell King --- arch/arm/common/gic.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index fea1bd7249b6..e6388dcd8cfa 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -146,9 +146,15 @@ static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val) unsigned int shift = (irq % 4) * 8; unsigned int cpu = cpumask_first(mask_val); u32 val; + struct irq_desc *desc; spin_lock(&irq_controller_lock); - irq_desc[irq].node = cpu; + desc = irq_to_desc(irq); + if (desc == NULL) { + spin_unlock(&irq_controller_lock); + return -EINVAL; + } + desc->node = cpu; val = readl(reg) & ~(0xff << shift); val |= 1 << (cpu + shift); writel(val, reg); From 18483b81ee7e70ee68d4b18be618be5cfcc0b290 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 6 Dec 2010 15:13:38 -0200 Subject: [PATCH 119/138] perf record: Fix eternal wait for stillborn child When execvp fails to find the specified command on the path we won't get SIGCHLD, so send a SIGUSR1 and exit right away. Current situation would require a SIGINT performed by the user and would produce meaningless summary. Now: [acme@emilia linux]$ ./foo -bash: ./foo: No such file or directory [acme@emilia linux]$ perf record ./foo ./foo: No such file or directory [acme@emilia linux]$ Acked-by: Thomas Gleixner Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Tom Zanussi Cc: Thomas Gleixner LKML-Reference: Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e2c2de201eec..564491fa18b2 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -197,7 +197,7 @@ static void sig_atexit(void) if (child_pid > 0) kill(child_pid, SIGTERM); - if (signr == -1) + if (signr == -1 || signr == SIGUSR1) return; signal(signr, SIG_DFL); @@ -515,6 +515,7 @@ static int __cmd_record(int argc, const char **argv) atexit(sig_atexit); signal(SIGCHLD, sig_handler); signal(SIGINT, sig_handler); + signal(SIGUSR1, sig_handler); if (forks && (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0)) { perror("failed to create pipes"); @@ -606,6 +607,7 @@ static int __cmd_record(int argc, const char **argv) execvp(argv[0], (char **)argv); perror(argv[0]); + kill(getppid(), SIGUSR1); exit(-1); } @@ -762,7 +764,7 @@ static int __cmd_record(int argc, const char **argv) } } - if (quiet) + if (quiet || signr == SIGUSR1) return 0; fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking); From 8b14d7b22c61f17ccb869e0047d9df6dd9f50a9f Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Sun, 28 Nov 2010 19:46:50 -0200 Subject: [PATCH 120/138] wmi: use memcmp instead of strncmp to compare GUIDs While looking for the duplicates in /sys/class/wmi/, I couldn't find them. The code that looks for duplicates uses strncmp in a binary GUID, which may contain zero bytes. The right function is memcmp, which is also used in another section of wmi code. It was finding 49142400-C6A3-40FA-BADB-8A2652834100 as a duplicate of 39142400-C6A3-40FA-BADB-8A2652834100. Since the first byte is the fourth printed, they were found as equal by strncmp. Signed-off-by: Thadeu Lima de Souza Cascardo Signed-off-by: Matthew Garrett Cc: stable@kernel.org --- drivers/platform/x86/wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 104b77c87ef5..aecd9a9b549f 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -755,7 +755,7 @@ static bool guid_already_parsed(const char *guid_string) struct wmi_block *wblock; list_for_each_entry(wblock, &wmi_block_list, list) - if (strncmp(wblock->gblock.guid, guid_string, 16) == 0) + if (memcmp(wblock->gblock.guid, guid_string, 16) == 0) return true; return false; From 9f339caf8454f0c21983111350ede93983db4340 Mon Sep 17 00:00:00 2001 From: Bojan Smojver Date: Thu, 25 Nov 2010 23:41:39 +0100 Subject: [PATCH 121/138] PM / Hibernate: Use async I/O when reading compressed hibernation image This is a fix for reading LZO compressed image using async I/O. Essentially, instead of having just one page into which we keep reading blocks from swap, we allocate enough of them to cover the largest compressed size and then let block I/O pick them all up. Once we have them all (and here we wait), we decompress them, as usual. Obviously, the very first block we still pick up synchronously, because we need to know the size of the lot before we pick up the rest. Also fixed the copyright line, which I've forgotten before. Signed-off-by: Bojan Smojver Signed-off-by: Rafael J. Wysocki --- kernel/power/swap.c | 53 ++++++++++++++++++++++++++++++++------------- 1 file changed, 38 insertions(+), 15 deletions(-) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index a0e4a86ccf94..baf667bb2794 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -6,6 +6,7 @@ * * Copyright (C) 1998,2001-2005 Pavel Machek * Copyright (C) 2006 Rafael J. Wysocki + * Copyright (C) 2010 Bojan Smojver * * This file is released under the GPLv2. * @@ -753,30 +754,43 @@ static int load_image_lzo(struct swap_map_handle *handle, { unsigned int m; int error = 0; + struct bio *bio; struct timeval start; struct timeval stop; unsigned nr_pages; - size_t off, unc_len, cmp_len; - unsigned char *unc, *cmp, *page; + size_t i, off, unc_len, cmp_len; + unsigned char *unc, *cmp, *page[LZO_CMP_PAGES]; - page = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH); - if (!page) { - printk(KERN_ERR "PM: Failed to allocate LZO page\n"); - return -ENOMEM; + for (i = 0; i < LZO_CMP_PAGES; i++) { + page[i] = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH); + if (!page[i]) { + printk(KERN_ERR "PM: Failed to allocate LZO page\n"); + + while (i) + free_page((unsigned long)page[--i]); + + return -ENOMEM; + } } unc = vmalloc(LZO_UNC_SIZE); if (!unc) { printk(KERN_ERR "PM: Failed to allocate LZO uncompressed\n"); - free_page((unsigned long)page); + + for (i = 0; i < LZO_CMP_PAGES; i++) + free_page((unsigned long)page[i]); + return -ENOMEM; } cmp = vmalloc(LZO_CMP_SIZE); if (!cmp) { printk(KERN_ERR "PM: Failed to allocate LZO compressed\n"); + vfree(unc); - free_page((unsigned long)page); + for (i = 0; i < LZO_CMP_PAGES; i++) + free_page((unsigned long)page[i]); + return -ENOMEM; } @@ -787,6 +801,7 @@ static int load_image_lzo(struct swap_map_handle *handle, if (!m) m = 1; nr_pages = 0; + bio = NULL; do_gettimeofday(&start); error = snapshot_write_next(snapshot); @@ -794,11 +809,11 @@ static int load_image_lzo(struct swap_map_handle *handle, goto out_finish; for (;;) { - error = swap_read_page(handle, page, NULL); /* sync */ + error = swap_read_page(handle, page[0], NULL); /* sync */ if (error) break; - cmp_len = *(size_t *)page; + cmp_len = *(size_t *)page[0]; if (unlikely(!cmp_len || cmp_len > lzo1x_worst_compress(LZO_UNC_SIZE))) { printk(KERN_ERR "PM: Invalid LZO compressed length\n"); @@ -806,13 +821,20 @@ static int load_image_lzo(struct swap_map_handle *handle, break; } - memcpy(cmp, page, PAGE_SIZE); - for (off = PAGE_SIZE; off < LZO_HEADER + cmp_len; off += PAGE_SIZE) { - error = swap_read_page(handle, page, NULL); /* sync */ + for (off = PAGE_SIZE, i = 1; + off < LZO_HEADER + cmp_len; off += PAGE_SIZE, i++) { + error = swap_read_page(handle, page[i], &bio); if (error) goto out_finish; + } - memcpy(cmp + off, page, PAGE_SIZE); + error = hib_wait_on_bio_chain(&bio); /* need all data now */ + if (error) + goto out_finish; + + for (off = 0, i = 0; + off < LZO_HEADER + cmp_len; off += PAGE_SIZE, i++) { + memcpy(cmp + off, page[i], PAGE_SIZE); } unc_len = LZO_UNC_SIZE; @@ -857,7 +879,8 @@ out_finish: vfree(cmp); vfree(unc); - free_page((unsigned long)page); + for (i = 0; i < LZO_CMP_PAGES; i++) + free_page((unsigned long)page[i]); return error; } From c9e664f1fdf34aa8cede047b206deaa8f1945af0 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Fri, 3 Dec 2010 22:57:45 +0100 Subject: [PATCH 122/138] PM / Hibernate: Fix memory corruption related to swap There is a problem that swap pages allocated before the creation of a hibernation image can be released and used for storing the contents of different memory pages while the image is being saved. Since the kernel stored in the image doesn't know of that, it causes memory corruption to occur after resume from hibernation, especially on systems with relatively small RAM that need to swap often. This issue can be addressed by keeping the GFP_IOFS bits clear in gfp_allowed_mask during the entire hibernation, including the saving of the image, until the system is finally turned off or the hibernation is aborted. Unfortunately, for this purpose it's necessary to rework the way in which the hibernate and suspend code manipulates gfp_allowed_mask. This change is based on an earlier patch from Hugh Dickins. Signed-off-by: Rafael J. Wysocki Reported-by: Ondrej Zary Acked-by: Hugh Dickins Reviewed-by: KAMEZAWA Hiroyuki Cc: stable@kernel.org --- include/linux/gfp.h | 4 ++-- kernel/power/hibernate.c | 22 ++++++++++++---------- kernel/power/suspend.c | 5 ++--- kernel/power/user.c | 2 ++ mm/page_alloc.c | 19 ++++++++++++------- 5 files changed, 30 insertions(+), 22 deletions(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index e8713d55360a..f54adfcbec9c 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -360,7 +360,7 @@ void drain_local_pages(void *dummy); extern gfp_t gfp_allowed_mask; -extern void set_gfp_allowed_mask(gfp_t mask); -extern gfp_t clear_gfp_allowed_mask(gfp_t mask); +extern void pm_restrict_gfp_mask(void); +extern void pm_restore_gfp_mask(void); #endif /* __LINUX_GFP_H */ diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 657272e91d0a..048d0b514831 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -327,7 +327,6 @@ static int create_image(int platform_mode) int hibernation_snapshot(int platform_mode) { int error; - gfp_t saved_mask; error = platform_begin(platform_mode); if (error) @@ -339,7 +338,7 @@ int hibernation_snapshot(int platform_mode) goto Close; suspend_console(); - saved_mask = clear_gfp_allowed_mask(GFP_IOFS); + pm_restrict_gfp_mask(); error = dpm_suspend_start(PMSG_FREEZE); if (error) goto Recover_platform; @@ -348,7 +347,10 @@ int hibernation_snapshot(int platform_mode) goto Recover_platform; error = create_image(platform_mode); - /* Control returns here after successful restore */ + /* + * Control returns here (1) after the image has been created or the + * image creation has failed and (2) after a successful restore. + */ Resume_devices: /* We may need to release the preallocated image pages here. */ @@ -357,7 +359,10 @@ int hibernation_snapshot(int platform_mode) dpm_resume_end(in_suspend ? (error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE); - set_gfp_allowed_mask(saved_mask); + + if (error || !in_suspend) + pm_restore_gfp_mask(); + resume_console(); Close: platform_end(platform_mode); @@ -452,17 +457,16 @@ static int resume_target_kernel(bool platform_mode) int hibernation_restore(int platform_mode) { int error; - gfp_t saved_mask; pm_prepare_console(); suspend_console(); - saved_mask = clear_gfp_allowed_mask(GFP_IOFS); + pm_restrict_gfp_mask(); error = dpm_suspend_start(PMSG_QUIESCE); if (!error) { error = resume_target_kernel(platform_mode); dpm_resume_end(PMSG_RECOVER); } - set_gfp_allowed_mask(saved_mask); + pm_restore_gfp_mask(); resume_console(); pm_restore_console(); return error; @@ -476,7 +480,6 @@ int hibernation_restore(int platform_mode) int hibernation_platform_enter(void) { int error; - gfp_t saved_mask; if (!hibernation_ops) return -ENOSYS; @@ -492,7 +495,6 @@ int hibernation_platform_enter(void) entering_platform_hibernation = true; suspend_console(); - saved_mask = clear_gfp_allowed_mask(GFP_IOFS); error = dpm_suspend_start(PMSG_HIBERNATE); if (error) { if (hibernation_ops->recover) @@ -536,7 +538,6 @@ int hibernation_platform_enter(void) Resume_devices: entering_platform_hibernation = false; dpm_resume_end(PMSG_RESTORE); - set_gfp_allowed_mask(saved_mask); resume_console(); Close: @@ -646,6 +647,7 @@ int hibernate(void) swsusp_free(); if (!error) power_down(); + pm_restore_gfp_mask(); } else { pr_debug("PM: Image restored successfully.\n"); } diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 7335952ee473..ecf770509d0d 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -197,7 +197,6 @@ static int suspend_enter(suspend_state_t state) int suspend_devices_and_enter(suspend_state_t state) { int error; - gfp_t saved_mask; if (!suspend_ops) return -ENOSYS; @@ -208,7 +207,7 @@ int suspend_devices_and_enter(suspend_state_t state) goto Close; } suspend_console(); - saved_mask = clear_gfp_allowed_mask(GFP_IOFS); + pm_restrict_gfp_mask(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { @@ -225,7 +224,7 @@ int suspend_devices_and_enter(suspend_state_t state) suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); - set_gfp_allowed_mask(saved_mask); + pm_restore_gfp_mask(); resume_console(); Close: if (suspend_ops->end) diff --git a/kernel/power/user.c b/kernel/power/user.c index e819e17877ca..1b2ea31e6bd8 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -263,6 +263,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, case SNAPSHOT_UNFREEZE: if (!data->frozen || data->ready) break; + pm_restore_gfp_mask(); thaw_processes(); usermodehelper_enable(); data->frozen = 0; @@ -275,6 +276,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, error = -EPERM; break; } + pm_restore_gfp_mask(); error = hibernation_snapshot(data->platform_support); if (!error) error = put_user(in_suspend, (int __user *)arg); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e4092704c1a9..ff7e15872398 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -104,19 +104,24 @@ gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK; * only be modified with pm_mutex held, unless the suspend/hibernate code is * guaranteed not to run in parallel with that modification). */ -void set_gfp_allowed_mask(gfp_t mask) + +static gfp_t saved_gfp_mask; + +void pm_restore_gfp_mask(void) { WARN_ON(!mutex_is_locked(&pm_mutex)); - gfp_allowed_mask = mask; + if (saved_gfp_mask) { + gfp_allowed_mask = saved_gfp_mask; + saved_gfp_mask = 0; + } } -gfp_t clear_gfp_allowed_mask(gfp_t mask) +void pm_restrict_gfp_mask(void) { - gfp_t ret = gfp_allowed_mask; - WARN_ON(!mutex_is_locked(&pm_mutex)); - gfp_allowed_mask &= ~mask; - return ret; + WARN_ON(saved_gfp_mask); + saved_gfp_mask = gfp_allowed_mask; + gfp_allowed_mask &= ~GFP_IOFS; } #endif /* CONFIG_PM_SLEEP */ From 0e7d0c860a0dee49dacb7bbb248d1eba637075ad Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 6 Dec 2010 17:14:47 -0800 Subject: [PATCH 123/138] Input: add input driver for polled GPIO buttons The existing gpio-keys driver can be usable only for GPIO lines with interrupt support. Several devices have buttons connected to a GPIO line which is not capable to generate interrupts. This patch adds a new input driver using the generic GPIO layer and the input-polldev to support such buttons. [Ben Gardiner Signed-off-by: Ben Gardiner Tested-by: Ben Gardiner Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/Kconfig | 16 ++ drivers/input/keyboard/Makefile | 1 + drivers/input/keyboard/gpio_keys_polled.c | 261 ++++++++++++++++++++++ include/linux/gpio_keys.h | 2 + 4 files changed, 280 insertions(+) create mode 100644 drivers/input/keyboard/gpio_keys_polled.c diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index b8c51b9781db..3a87f3ba5f75 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -179,6 +179,22 @@ config KEYBOARD_GPIO To compile this driver as a module, choose M here: the module will be called gpio_keys. +config KEYBOARD_GPIO_POLLED + tristate "Polled GPIO buttons" + depends on GENERIC_GPIO + select INPUT_POLLDEV + help + This driver implements support for buttons connected + to GPIO pins that are not capable of generating interrupts. + + Say Y here if your device has buttons connected + directly to such GPIO pins. Your board-specific + setup logic must also provide a platform device, + with configuration data saying which GPIOs are used. + + To compile this driver as a module, choose M here: the + module will be called gpio_keys_polled. + config KEYBOARD_TCA6416 tristate "TCA6416 Keypad Support" depends on I2C diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index a34452e8ebe2..622de73a445d 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o +obj-$(CONFIG_KEYBOARD_GPIO_POLLED) += gpio_keys_polled.o obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c new file mode 100644 index 000000000000..4c17aff20657 --- /dev/null +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -0,0 +1,261 @@ +/* + * Driver for buttons on GPIO lines not capable of generating interrupts + * + * Copyright (C) 2007-2010 Gabor Juhos + * Copyright (C) 2010 Nuno Goncalves + * + * This file was based on: /drivers/input/misc/cobalt_btns.c + * Copyright (C) 2007 Yoichi Yuasa + * + * also was based on: /drivers/input/keyboard/gpio_keys.c + * Copyright 2005 Phil Blundell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "gpio-keys-polled" + +struct gpio_keys_button_data { + int last_state; + int count; + int threshold; + int can_sleep; +}; + +struct gpio_keys_polled_dev { + struct input_polled_dev *poll_dev; + struct device *dev; + struct gpio_keys_platform_data *pdata; + struct gpio_keys_button_data data[0]; +}; + +static void gpio_keys_polled_check_state(struct input_dev *input, + struct gpio_keys_button *button, + struct gpio_keys_button_data *bdata) +{ + int state; + + if (bdata->can_sleep) + state = !!gpio_get_value_cansleep(button->gpio); + else + state = !!gpio_get_value(button->gpio); + + if (state != bdata->last_state) { + unsigned int type = button->type ?: EV_KEY; + + input_event(input, type, button->code, + !!(state ^ button->active_low)); + input_sync(input); + bdata->count = 0; + bdata->last_state = state; + } +} + +static void gpio_keys_polled_poll(struct input_polled_dev *dev) +{ + struct gpio_keys_polled_dev *bdev = dev->private; + struct gpio_keys_platform_data *pdata = bdev->pdata; + struct input_dev *input = dev->input; + int i; + + for (i = 0; i < bdev->pdata->nbuttons; i++) { + struct gpio_keys_button_data *bdata = &bdev->data[i]; + + if (bdata->count < bdata->threshold) + bdata->count++; + else + gpio_keys_polled_check_state(input, &pdata->buttons[i], + bdata); + } +} + +static void gpio_keys_polled_open(struct input_polled_dev *dev) +{ + struct gpio_keys_polled_dev *bdev = dev->private; + struct gpio_keys_platform_data *pdata = bdev->pdata; + + if (pdata->enable) + pdata->enable(bdev->dev); +} + +static void gpio_keys_polled_close(struct input_polled_dev *dev) +{ + struct gpio_keys_polled_dev *bdev = dev->private; + struct gpio_keys_platform_data *pdata = bdev->pdata; + + if (pdata->disable) + pdata->disable(bdev->dev); +} + +static int __devinit gpio_keys_polled_probe(struct platform_device *pdev) +{ + struct gpio_keys_platform_data *pdata = pdev->dev.platform_data; + struct device *dev = &pdev->dev; + struct gpio_keys_polled_dev *bdev; + struct input_polled_dev *poll_dev; + struct input_dev *input; + int error; + int i; + + if (!pdata || !pdata->poll_interval) + return -EINVAL; + + bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) + + pdata->nbuttons * sizeof(struct gpio_keys_button_data), + GFP_KERNEL); + if (!bdev) { + dev_err(dev, "no memory for private data\n"); + return -ENOMEM; + } + + poll_dev = input_allocate_polled_device(); + if (!poll_dev) { + dev_err(dev, "no memory for polled device\n"); + error = -ENOMEM; + goto err_free_bdev; + } + + poll_dev->private = bdev; + poll_dev->poll = gpio_keys_polled_poll; + poll_dev->poll_interval = pdata->poll_interval; + poll_dev->open = gpio_keys_polled_open; + poll_dev->close = gpio_keys_polled_close; + + input = poll_dev->input; + + input->evbit[0] = BIT(EV_KEY); + input->name = pdev->name; + input->phys = DRV_NAME"/input0"; + input->dev.parent = &pdev->dev; + + input->id.bustype = BUS_HOST; + input->id.vendor = 0x0001; + input->id.product = 0x0001; + input->id.version = 0x0100; + + for (i = 0; i < pdata->nbuttons; i++) { + struct gpio_keys_button *button = &pdata->buttons[i]; + struct gpio_keys_button_data *bdata = &bdev->data[i]; + unsigned int gpio = button->gpio; + unsigned int type = button->type ?: EV_KEY; + + if (button->wakeup) { + dev_err(dev, DRV_NAME " does not support wakeup\n"); + error = -EINVAL; + goto err_free_gpio; + } + + error = gpio_request(gpio, + button->desc ? button->desc : DRV_NAME); + if (error) { + dev_err(dev, "unable to claim gpio %u, err=%d\n", + gpio, error); + goto err_free_gpio; + } + + error = gpio_direction_input(gpio); + if (error) { + dev_err(dev, + "unable to set direction on gpio %u, err=%d\n", + gpio, error); + goto err_free_gpio; + } + + bdata->can_sleep = gpio_cansleep(gpio); + bdata->last_state = -1; + bdata->threshold = DIV_ROUND_UP(button->debounce_interval, + pdata->poll_interval); + + input_set_capability(input, type, button->code); + } + + bdev->poll_dev = poll_dev; + bdev->dev = dev; + bdev->pdata = pdata; + platform_set_drvdata(pdev, bdev); + + error = input_register_polled_device(poll_dev); + if (error) { + dev_err(dev, "unable to register polled device, err=%d\n", + error); + goto err_free_gpio; + } + + /* report initial state of the buttons */ + for (i = 0; i < pdata->nbuttons; i++) + gpio_keys_polled_check_state(input, &pdata->buttons[i], + &bdev->data[i]); + + return 0; + +err_free_gpio: + while (--i >= 0) + gpio_free(pdata->buttons[i].gpio); + + input_free_polled_device(poll_dev); + +err_free_bdev: + kfree(bdev); + + platform_set_drvdata(pdev, NULL); + return error; +} + +static int __devexit gpio_keys_polled_remove(struct platform_device *pdev) +{ + struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev); + struct gpio_keys_platform_data *pdata = bdev->pdata; + int i; + + input_unregister_polled_device(bdev->poll_dev); + + for (i = 0; i < pdata->nbuttons; i++) + gpio_free(pdata->buttons[i].gpio); + + input_free_polled_device(bdev->poll_dev); + + kfree(bdev); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver gpio_keys_polled_driver = { + .probe = gpio_keys_polled_probe, + .remove = __devexit_p(gpio_keys_polled_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init gpio_keys_polled_init(void) +{ + return platform_driver_register(&gpio_keys_polled_driver); +} + +static void __exit gpio_keys_polled_exit(void) +{ + platform_driver_unregister(&gpio_keys_polled_driver); +} + +module_init(gpio_keys_polled_init); +module_exit(gpio_keys_polled_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Gabor Juhos "); +MODULE_DESCRIPTION("Polled GPIO Buttons driver"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index ce73a30113b4..dd1a56fbe924 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h @@ -16,6 +16,8 @@ struct gpio_keys_button { struct gpio_keys_platform_data { struct gpio_keys_button *buttons; int nbuttons; + unsigned int poll_interval; /* polling interval in msecs - + for polling driver only */ unsigned int rep:1; /* enable input subsystem auto repeat */ int (*enable)(struct device *dev); void (*disable)(struct device *dev); From da8f2e246183ae109f87694ee3f06e8fcca2931b Mon Sep 17 00:00:00 2001 From: Olof Johansson Date: Mon, 6 Dec 2010 19:36:32 -0600 Subject: [PATCH 124/138] ARM: tegra: fix regression from addruart rewrite Commit 0ea129300982 ("arm: return both physical and virtual addresses from addruart") took out the test for MMU on/off but didn't switch the ldr instructions to no longer be conditionals based on said test. Fix that. Signed-off-by: Olof Johansson Acked-by: Colin Cross Signed-off-by: Linus Torvalds --- arch/arm/mach-tegra/include/mach/debug-macro.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S index 8ea3bffb4e00..a0e7c12868bd 100644 --- a/arch/arm/mach-tegra/include/mach/debug-macro.S +++ b/arch/arm/mach-tegra/include/mach/debug-macro.S @@ -21,8 +21,8 @@ #include .macro addruart, rp, rv - ldreq \rp, =IO_APB_PHYS @ physical - ldrne \rv, =IO_APB_VIRT @ virtual + ldr \rp, =IO_APB_PHYS @ physical + ldr \rv, =IO_APB_VIRT @ virtual #if defined(CONFIG_TEGRA_DEBUG_UART_NONE) #error "A debug UART must be selected in the kernel config to use DEBUG_LL" #elif defined(CONFIG_TEGRA_DEBUG_UARTA) From cf7d7e5a1980d1116ee152d25dac382b112b9c17 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 6 Dec 2010 20:09:04 -0800 Subject: [PATCH 125/138] Linux 2.6.37-rc5 --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 9e3c89030f5c..3d94974542ea 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 37 -EXTRAVERSION = -rc4 +EXTRAVERSION = -rc5 NAME = Flesh-Eating Bats with Fangs # *DOCUMENTATION* From de47de7404e29df8de82f5822b4fde1a6ed97b54 Mon Sep 17 00:00:00 2001 From: Ian Kent Date: Tue, 7 Dec 2010 13:04:00 +0800 Subject: [PATCH 126/138] autofs4 - remove ioctl mutex (bz23142) With the recent changes to remove the BKL a mutex was added to the ioctl entry point for calls to the old ioctl interface. This mutex needs to be removed because of the need for the expire ioctl to call back to the daemon to perform a umount and receive a completion status (via another ioctl). This should be fine as the new ioctl interface uses much of the same code and it has been used without a mutex for around a year without issue, as was the original intention. Ref: Bugzilla bug 23142 Signed-off-by: Ian Kent Acked-by: Arnd Bergmann Signed-off-by: Linus Torvalds --- fs/autofs4/root.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index d5c1401f0031..d34896cfb19f 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -980,19 +980,11 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp, } } -static DEFINE_MUTEX(autofs4_ioctl_mutex); - static long autofs4_root_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - long ret; struct inode *inode = filp->f_dentry->d_inode; - - mutex_lock(&autofs4_ioctl_mutex); - ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); - mutex_unlock(&autofs4_ioctl_mutex); - - return ret; + return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); } #ifdef CONFIG_COMPAT @@ -1002,13 +994,11 @@ static long autofs4_root_compat_ioctl(struct file *filp, struct inode *inode = filp->f_path.dentry->d_inode; int ret; - mutex_lock(&autofs4_ioctl_mutex); if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL) ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); else ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, (unsigned long)compat_ptr(arg)); - mutex_unlock(&autofs4_ioctl_mutex); return ret; } From 6142e05f30b101adeafb0d12e35983f44f68233e Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 7 Dec 2010 17:41:40 +0000 Subject: [PATCH 127/138] MN10300: Fix interrupt mask alteration function call name in gdbstub Fix the name of interrupt mask alteration function (ie the local_change_intr_mask_level() fn) called in gdbstub to have an arch_ prefix to match the definition in asm/irqflags.h. Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- arch/mn10300/kernel/gdb-io-serial.c | 3 ++- arch/mn10300/kernel/gdb-io-ttysm.c | 3 ++- arch/mn10300/kernel/gdb-stub.c | 3 ++- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/mn10300/kernel/gdb-io-serial.c b/arch/mn10300/kernel/gdb-io-serial.c index 0d5d63c91dc3..f28dc99c6f72 100644 --- a/arch/mn10300/kernel/gdb-io-serial.c +++ b/arch/mn10300/kernel/gdb-io-serial.c @@ -73,7 +73,8 @@ void gdbstub_io_init(void) GDBPORT_SERIAL_IER = UART_IER_RDI | UART_IER_RLSI; /* permit level 0 IRQs to take place */ - local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1)); + arch_local_change_intr_mask_level( + NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1)); } /* diff --git a/arch/mn10300/kernel/gdb-io-ttysm.c b/arch/mn10300/kernel/gdb-io-ttysm.c index 97dfda23342c..abdeea153c89 100644 --- a/arch/mn10300/kernel/gdb-io-ttysm.c +++ b/arch/mn10300/kernel/gdb-io-ttysm.c @@ -87,7 +87,8 @@ void __init gdbstub_io_init(void) tmp = *gdbstub_port->_control; /* permit level 0 IRQs only */ - local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1)); + arch_local_change_intr_mask_level( + NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1)); } /* diff --git a/arch/mn10300/kernel/gdb-stub.c b/arch/mn10300/kernel/gdb-stub.c index a5fc3f05309b..b169d99d9f20 100644 --- a/arch/mn10300/kernel/gdb-stub.c +++ b/arch/mn10300/kernel/gdb-stub.c @@ -1194,7 +1194,8 @@ static int gdbstub(struct pt_regs *regs, enum exception_code excep) asm volatile("mov mdr,%0" : "=d"(mdr)); local_save_flags(epsw); - local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1)); + arch_local_change_intr_mask_level( + NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1)); gdbstub_store_fpu(); From ea5d552c73707645c53d42e8a71c9a4d9cbb85c1 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 1 Dec 2010 19:41:31 +0000 Subject: [PATCH 128/138] drm: Add missing drm_vblank_put() along queue vblank error path MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Chris Wilson Cc: Kristian Høgsberg Acked-by: Jesse Barnes Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_irq.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 9d3a5030b6e1..722700d5d73e 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -585,10 +585,13 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, struct timeval now; unsigned long flags; unsigned int seq; + int ret; e = kzalloc(sizeof *e, GFP_KERNEL); - if (e == NULL) - return -ENOMEM; + if (e == NULL) { + ret = -ENOMEM; + goto err_put; + } e->pipe = pipe; e->base.pid = current->pid; @@ -603,9 +606,8 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, spin_lock_irqsave(&dev->event_lock, flags); if (file_priv->event_space < sizeof e->event) { - spin_unlock_irqrestore(&dev->event_lock, flags); - kfree(e); - return -ENOMEM; + ret = -EBUSY; + goto err_unlock; } file_priv->event_space -= sizeof e->event; @@ -638,6 +640,13 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, spin_unlock_irqrestore(&dev->event_lock, flags); return 0; + +err_unlock: + spin_unlock_irqrestore(&dev->event_lock, flags); + kfree(e); +err_put: + drm_vblank_put(dev, e->pipe); + return ret; } /** From 541cc966915b6756e54c20eebe60ae957afdb537 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 6 Dec 2010 11:24:07 +0000 Subject: [PATCH 129/138] drm: Don't try and disable an encoder that was never enabled Prevents code that assumes that the encoder is active when asked to be disabled from dying a horrible death. Reported-by: Daniel Vetter Signed-off-by: Chris Wilson Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_crtc_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 7ca59359fee2..bede10a03407 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -241,7 +241,7 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) } list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (!drm_helper_encoder_in_use(encoder)) { + if (encoder->crtc && !drm_helper_encoder_in_use(encoder)) { drm_encoder_disable(encoder); /* disconnector encoder from any connector */ encoder->crtc = NULL; From 93225b0d7bc030f4a93165347a65893685822d70 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Fri, 3 Dec 2010 16:38:19 -0500 Subject: [PATCH 130/138] drm/radeon/kms: forbid big bo allocation (fdo 31708) v3 Forbid allocating buffer bigger than visible VRAM or GTT, also properly set lpfn field. v2 - use max macro - silence warning v3 - don't explicitly set range limit - use min macro Cc: stable Signed-off-by: Jerome Glisse Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_object.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 1d067743fee0..a598d0049aa5 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -69,7 +69,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) u32 c = 0; rbo->placement.fpfn = 0; - rbo->placement.lpfn = rbo->rdev->mc.active_vram_size >> PAGE_SHIFT; + rbo->placement.lpfn = 0; rbo->placement.placement = rbo->placements; rbo->placement.busy_placement = rbo->placements; if (domain & RADEON_GEM_DOMAIN_VRAM) @@ -91,7 +91,8 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, { struct radeon_bo *bo; enum ttm_bo_type type; - int page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; + unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; + unsigned long max_size = 0; int r; if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { @@ -104,6 +105,14 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, } *bo_ptr = NULL; + /* maximun bo size is the minimun btw visible vram and gtt size */ + max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size); + if ((page_align << PAGE_SHIFT) >= max_size) { + printk(KERN_WARNING "%s:%d alloc size %ldM bigger than %ldMb limit\n", + __func__, __LINE__, page_align >> (20 - PAGE_SHIFT), max_size >> 20); + return -ENOMEM; + } + retry: bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL); if (bo == NULL) From dd7cc55a258400440aff5869d3e1e111142297cd Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 3 Dec 2010 14:37:21 -0500 Subject: [PATCH 131/138] drm/radeon/kms: fix formatting of vram and gtt info print the full 64 bit values. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_device.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index d8ac1849180d..e12e79326cb1 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -286,7 +286,7 @@ void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 mc->mc_vram_size = mc->aper_size; } mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; - dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", + dev_info(rdev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", mc->mc_vram_size >> 20, mc->vram_start, mc->vram_end, mc->real_vram_size >> 20); } @@ -323,7 +323,7 @@ void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align; } mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; - dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n", + dev_info(rdev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end); } From 8961d52d4cc52edf5672f8f2712c57162b736793 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 3 Dec 2010 14:37:22 -0500 Subject: [PATCH 132/138] drm/radeon/kms: fix vram base calculation on rs780/rs880 Avoid overflowing a 32 bit value. Signed-off-by: Alex Deucher Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index a3552594ccc4..a322d4f647bd 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1195,8 +1195,10 @@ void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) mc->vram_end, mc->real_vram_size >> 20); } else { u64 base = 0; - if (rdev->flags & RADEON_IS_IGP) - base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24; + if (rdev->flags & RADEON_IS_IGP) { + base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; + base <<= 24; + } radeon_vram_location(rdev, &rdev->mc, base); rdev->mc.gtt_base_align = 0; radeon_gtt_location(rdev, mc); From 812c4e40c27b6ea103ecfbf91d43654356629b81 Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Wed, 1 Dec 2010 08:29:23 +0200 Subject: [PATCH 133/138] ARM: S3C24XX: Fix mess with gpio {set,get}_pull callbacks Currently the {set,get}_pull callbacks of the s3c24xx_gpiocfg_default structure are initalized via s3c_gpio_{get,set}pull_1up. This results in a linker error when only CONFIG_CPU_S3C2442 is selected: arch/arm/plat-s3c24xx/built-in.o:(.data+0x13f4): undefined reference to `s3c_gpio_getpull_1up' arch/arm/plat-s3c24xx/built-in.o:(.data+0x13f8): undefined reference to `s3c_gpio_setpull_1up' The s3c2442 has pulldowns instead of pullups compared to the s3c2440. The method of controlling them is the same though. So this patch modifies the existing s3c_gpio_{get,set}pull_1up helper functions to take an additional parameter deciding whether the pin has a pullup or pulldown. The s3c_gpio_{get,set}pull_1{down,up} functions then wrap that functions passing either S3C_GPIO_PULL_UP or S3C_GPIO_PULL_DOWN. Furthermore this patch sets up the s3c24xx_gpiocfg_default.{get,set}_pull fields in the s3c244{0,2}_map_io function to the new pulldown helper functions. Based on patch from "Lars-Peter Clausen" Signed-off-by: Vasily Khoruzhick Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2440/Kconfig | 1 + arch/arm/mach-s3c2440/s3c2440.c | 11 +++-- arch/arm/mach-s3c2440/s3c2442.c | 14 ++++++ arch/arm/plat-s3c24xx/cpu.c | 8 ++-- arch/arm/plat-s3c24xx/gpiolib.c | 2 - arch/arm/plat-s3c24xx/include/plat/s3c244x.h | 7 ++- arch/arm/plat-samsung/gpio-config.c | 47 +++++++++++++++---- .../include/plat/gpio-cfg-helpers.h | 11 +++++ 8 files changed, 81 insertions(+), 20 deletions(-) diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index adea6b924cf1..a0cb2581894f 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -18,6 +18,7 @@ config CPU_S3C2440 config CPU_S3C2442 bool select CPU_ARM920T + select S3C_GPIO_PULL_DOWN select S3C2410_CLOCK select S3C2410_GPIO select S3C2410_PM if PM diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c index d50f3ae6173d..f7663f731ea0 100644 --- a/arch/arm/mach-s3c2440/s3c2440.c +++ b/arch/arm/mach-s3c2440/s3c2440.c @@ -46,9 +46,6 @@ int __init s3c2440_init(void) { printk("S3C2440: Initialising architecture\n"); - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; - /* change irq for watchdog */ s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT; @@ -58,3 +55,11 @@ int __init s3c2440_init(void) return sysdev_register(&s3c2440_sysdev); } + +void __init s3c2440_map_io(void) +{ + s3c244x_map_io(); + + s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; +} diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c index 188ad1e57dc0..ecf813546554 100644 --- a/arch/arm/mach-s3c2440/s3c2442.c +++ b/arch/arm/mach-s3c2440/s3c2442.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -43,6 +44,11 @@ #include #include +#include + +#include +#include +#include /* S3C2442 extended clock support */ @@ -163,3 +169,11 @@ int __init s3c2442_init(void) return sysdev_register(&s3c2442_sysdev); } + +void __init s3c2442_map_io(void) +{ + s3c244x_map_io(); + + s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down; + s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down; +} diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index 76d0858c3cbb..4a10c0f684b2 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -88,7 +88,7 @@ static struct cpu_table cpu_ids[] __initdata = { { .idcode = 0x32440000, .idmask = 0xffffffff, - .map_io = s3c244x_map_io, + .map_io = s3c2440_map_io, .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2440_init, @@ -97,7 +97,7 @@ static struct cpu_table cpu_ids[] __initdata = { { .idcode = 0x32440001, .idmask = 0xffffffff, - .map_io = s3c244x_map_io, + .map_io = s3c2440_map_io, .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2440_init, @@ -106,7 +106,7 @@ static struct cpu_table cpu_ids[] __initdata = { { .idcode = 0x32440aaa, .idmask = 0xffffffff, - .map_io = s3c244x_map_io, + .map_io = s3c2442_map_io, .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2442_init, @@ -115,7 +115,7 @@ static struct cpu_table cpu_ids[] __initdata = { { .idcode = 0x32440aab, .idmask = 0xffffffff, - .map_io = s3c244x_map_io, + .map_io = s3c2442_map_io, .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2442_init, diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c index 24c6f5a30596..243b6411050d 100644 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ b/arch/arm/plat-s3c24xx/gpiolib.c @@ -82,8 +82,6 @@ static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = { struct s3c_gpio_cfg s3c24xx_gpiocfg_default = { .set_config = s3c_gpio_setcfg_s3c24xx, .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_1up, - .get_pull = s3c_gpio_getpull_1up, }; struct s3c_gpio_chip s3c24xx_gpios[] = { diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c244x.h b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h index 307248d1ccbb..89e8d0a25f87 100644 --- a/arch/arm/plat-s3c24xx/include/plat/s3c244x.h +++ b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h @@ -21,17 +21,22 @@ extern void s3c244x_init_clocks(int xtal); #else #define s3c244x_init_clocks NULL #define s3c244x_init_uarts NULL -#define s3c244x_map_io NULL #endif #ifdef CONFIG_CPU_S3C2440 extern int s3c2440_init(void); + +extern void s3c2440_map_io(void); #else #define s3c2440_init NULL +#define s3c2440_map_io NULL #endif #ifdef CONFIG_CPU_S3C2442 extern int s3c2442_init(void); + +extern void s3c2442_map_io(void); #else #define s3c2442_init NULL +#define s3c2442_map_io NULL #endif diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c index b732b773b9af..0aa32f242ee4 100644 --- a/arch/arm/plat-samsung/gpio-config.c +++ b/arch/arm/plat-samsung/gpio-config.c @@ -280,18 +280,17 @@ s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, } #endif -#ifdef CONFIG_S3C_GPIO_PULL_UP -int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) +#if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN) +static int s3c_gpio_setpull_1(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull, + s3c_gpio_pull_t updown) { void __iomem *reg = chip->base + 0x08; u32 pup = __raw_readl(reg); - pup = __raw_readl(reg); - - if (pup == S3C_GPIO_PULL_UP) + if (pull == updown) pup &= ~(1 << off); - else if (pup == S3C_GPIO_PULL_NONE) + else if (pull == S3C_GPIO_PULL_NONE) pup |= (1 << off); else return -EINVAL; @@ -300,17 +299,45 @@ int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, return 0; } -s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, - unsigned int off) +static s3c_gpio_pull_t s3c_gpio_getpull_1(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t updown) { void __iomem *reg = chip->base + 0x08; u32 pup = __raw_readl(reg); pup &= (1 << off); - return pup ? S3C_GPIO_PULL_NONE : S3C_GPIO_PULL_UP; + return pup ? S3C_GPIO_PULL_NONE : updown; +} +#endif /* CONFIG_S3C_GPIO_PULL_UP || CONFIG_S3C_GPIO_PULL_DOWN */ + +#ifdef CONFIG_S3C_GPIO_PULL_UP +s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, + unsigned int off) +{ + return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); +} + +int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull) +{ + return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); } #endif /* CONFIG_S3C_GPIO_PULL_UP */ +#ifdef CONFIG_S3C_GPIO_PULL_DOWN +s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, + unsigned int off) +{ + return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); +} + +int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull) +{ + return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); +} +#endif /* CONFIG_S3C_GPIO_PULL_DOWN */ + #ifdef CONFIG_S5P_GPIO_DRVSTR s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) { diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h index 8fd65d8b5863..0d2c5703f1ee 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h @@ -209,6 +209,17 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, unsigned int off); +/** + * s3c_gpio_getpull_1down() - Get configuration for choice of down or none + * @chip: The gpio chip that the GPIO pin belongs to + * @off: The offset to the pin to get the configuration of. + * + * This helper function reads the state of the pull-down resistor for the + * given GPIO in the same case as s3c_gpio_setpull_1down. +*/ +extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, + unsigned int off); + /** * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. * @chip: The gpio chip that is being configured. From 47d092352c132a2d0ee4156b5dca263eaad2c17f Mon Sep 17 00:00:00 2001 From: David Foley Date: Tue, 7 Dec 2010 21:05:59 -0800 Subject: [PATCH 134/138] Input: wacom - add new Bamboo PT (0xdb) Adds new Bamboo Pen & Touch model - Bamboo P & T Special Edition Medium (CTH661/L; Product ID = 0xdb). Tested-by: Tobias Verbeke Signed-off-by: David Foley Acked-by: Ping Cheng Signed-off-by: Dmitry Torokhov --- drivers/input/tablet/wacom_wac.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index db747e4c4c4c..4852b440960a 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1440,6 +1440,8 @@ static struct wacom_features wacom_features_0xD8 = { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; static struct wacom_features wacom_features_0xDA = { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xDB = + { "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; #define USB_DEVICE_WACOM(prod) \ USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \ @@ -1510,6 +1512,7 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xD3) }, { USB_DEVICE_WACOM(0xD8) }, { USB_DEVICE_WACOM(0xDA) }, + { USB_DEVICE_WACOM(0xDB) }, { USB_DEVICE_WACOM(0xF0) }, { USB_DEVICE_WACOM(0xCC) }, { USB_DEVICE_WACOM(0x90) }, From 599bbb9de0fe9c494a223a34d790b353ad4d69f8 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 6 Dec 2010 12:42:46 +1000 Subject: [PATCH 135/138] drm/i915: i915 cannot provide switcher services. it has a DSM but the switcher is done via WMI. Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/intel_acpi.c | 34 ------------------------------- 1 file changed, 34 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c index 65c88f9ba12c..2cb8e0b9f1ee 100644 --- a/drivers/gpu/drm/i915/intel_acpi.c +++ b/drivers/gpu/drm/i915/intel_acpi.c @@ -190,37 +190,6 @@ out: kfree(output.pointer); } -static int intel_dsm_switchto(enum vga_switcheroo_client_id id) -{ - return 0; -} - -static int intel_dsm_power_state(enum vga_switcheroo_client_id id, - enum vga_switcheroo_state state) -{ - return 0; -} - -static int intel_dsm_init(void) -{ - return 0; -} - -static int intel_dsm_get_client_id(struct pci_dev *pdev) -{ - if (intel_dsm_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev)) - return VGA_SWITCHEROO_IGD; - else - return VGA_SWITCHEROO_DIS; -} - -static struct vga_switcheroo_handler intel_dsm_handler = { - .switchto = intel_dsm_switchto, - .power_state = intel_dsm_power_state, - .init = intel_dsm_init, - .get_client_id = intel_dsm_get_client_id, -}; - static bool intel_dsm_pci_probe(struct pci_dev *pdev) { acpi_handle dhandle, intel_handle; @@ -276,11 +245,8 @@ void intel_register_dsm_handler(void) { if (!intel_dsm_detect()) return; - - vga_switcheroo_register_handler(&intel_dsm_handler); } void intel_unregister_dsm_handler(void) { - vga_switcheroo_unregister_handler(); } From 8316f33766a82907c694267ff911e45e256f09f9 Mon Sep 17 00:00:00 2001 From: David Flynn Date: Wed, 8 Dec 2010 16:10:21 +0000 Subject: [PATCH 136/138] drm/i915/dp: Fix I2C/EDID handling with active DisplayPort to DVI converter The DisplayPort standard (1.1a) states that: The I2C-over-AUX Reply field is valid only when Native AUX CH Reply field is AUX_ACK (00). When Native AUX CH Reply field is not 00, then, I2C-over-AUX Reply field must be 00 and be ignored. This fixes broken EDID reading when using an active DisplayPort to duallink DVI converter. If the AUX CH replier chooses to defer the transaction, a short read occurs and erroneous data is returned as the i2c reply due to a lack of length checking and failure to check for AUX ACK. As a result, broken EDIDs can look like: 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: bc bc bc ff bc bc bc ff bc bc bc ac bc bc bc 45 ???.???.???????E 10: bc bc bc 10 bc bc bc 34 bc bc bc ee bc bc bc 4c ???????4???????L 20: bc bc bc 50 bc bc bc 00 bc bc bc 40 bc bc bc 00 ???P???.???@???. 30: bc bc bc 01 bc bc bc 01 bc bc bc a0 bc bc bc 40 ???????????????@ 40: bc bc bc 00 bc bc bc 00 bc bc bc 00 bc bc bc 55 ???.???.???.???U 50: bc bc bc 35 bc bc bc 31 bc bc bc 20 bc bc bc fc ???5???1??? ???? 60: bc bc bc 4c bc bc bc 34 bc bc bc 46 bc bc bc 00 ???L???4???F???. 70: bc bc bc 38 bc bc bc 11 bc bc bc 20 bc bc bc 20 ???8??????? ??? 80: bc bc bc ff bc bc bc ff bc bc bc ff bc bc bc ff ???.???.???.???. ... which can lead to: [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder [drm:drm_edid_block_valid] *ERROR* Raw EDID: <3>30 30 30 30 30 30 30 32 38 32 30 32 63 63 31 61 000000028202cc1a <3>28 00 02 8c 00 00 00 00 18 00 00 00 00 00 00 00 (............... <3>20 4c 61 73 74 20 62 65 61 63 6f 6e 3a 20 33 32 Last beacon: 32 <3>32 30 6d 73 20 61 67 6f 46 00 05 8c 00 00 00 00 20ms agoF....... <3>36 00 00 00 00 00 00 00 00 0c 57 69 2d 46 69 20 6.........Wi-Fi <3>52 6f 75 74 65 72 01 08 82 84 8b 96 24 30 48 6c Router......$0Hl <3>03 01 01 06 02 00 00 2a 01 00 2f 01 00 32 04 0c .......*../..2.. <3>12 18 60 dd 09 00 10 18 02 00 00 01 00 00 18 00 ..`............. Signed-off-by: David Flynn [ickle: fix up some surrounding checkpatch warnings] Signed-off-by: Chris Wilson Cc: stable@kernel.org --- drivers/gpu/drm/i915/intel_dp.c | 37 ++++++++++++++++++++++++++------- 1 file changed, 30 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index df648cb4c296..864417cffe9a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -479,6 +479,7 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, uint16_t address = algo_data->address; uint8_t msg[5]; uint8_t reply[2]; + unsigned retry; int msg_bytes; int reply_bytes; int ret; @@ -513,14 +514,33 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, break; } - for (;;) { - ret = intel_dp_aux_ch(intel_dp, - msg, msg_bytes, - reply, reply_bytes); + for (retry = 0; retry < 5; retry++) { + ret = intel_dp_aux_ch(intel_dp, + msg, msg_bytes, + reply, reply_bytes); if (ret < 0) { DRM_DEBUG_KMS("aux_ch failed %d\n", ret); return ret; } + + switch (reply[0] & AUX_NATIVE_REPLY_MASK) { + case AUX_NATIVE_REPLY_ACK: + /* I2C-over-AUX Reply field is only valid + * when paired with AUX ACK. + */ + break; + case AUX_NATIVE_REPLY_NACK: + DRM_DEBUG_KMS("aux_ch native nack\n"); + return -EREMOTEIO; + case AUX_NATIVE_REPLY_DEFER: + udelay(100); + continue; + default: + DRM_ERROR("aux_ch invalid native reply 0x%02x\n", + reply[0]); + return -EREMOTEIO; + } + switch (reply[0] & AUX_I2C_REPLY_MASK) { case AUX_I2C_REPLY_ACK: if (mode == MODE_I2C_READ) { @@ -528,17 +548,20 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, } return reply_bytes - 1; case AUX_I2C_REPLY_NACK: - DRM_DEBUG_KMS("aux_ch nack\n"); + DRM_DEBUG_KMS("aux_i2c nack\n"); return -EREMOTEIO; case AUX_I2C_REPLY_DEFER: - DRM_DEBUG_KMS("aux_ch defer\n"); + DRM_DEBUG_KMS("aux_i2c defer\n"); udelay(100); break; default: - DRM_ERROR("aux_ch invalid reply 0x%02x\n", reply[0]); + DRM_ERROR("aux_i2c invalid reply 0x%02x\n", reply[0]); return -EREMOTEIO; } } + + DRM_ERROR("too many retries, giving up\n"); + return -EREMOTEIO; } static int From 8c0a6bfef165ccdbf5d73afb9dd660107b0c98d5 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 9 Dec 2010 12:56:37 +0000 Subject: [PATCH 137/138] drm/i915/ringbuffer: Handle wrapping of the autoreported HEAD If the tail advances beyond the autoreport HEAD value, then we need to fallback to an uncached read of the HEAD register in order to ascertain the correct amount of remaining space in the ringbuffer. Reported-by: Fang, Xun Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=32259 Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/intel_ringbuffer.c | 19 ++++++++----------- drivers/gpu/drm/i915/intel_ringbuffer.h | 5 +++-- 2 files changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 89a65be8a3f3..31cd7e33e820 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -696,20 +696,17 @@ int intel_wait_ring_buffer(struct drm_device *dev, drm_i915_private_t *dev_priv = dev->dev_private; u32 head; - head = intel_read_status_page(ring, 4); - if (head) { - ring->head = head & HEAD_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->size; - if (ring->space >= n) - return 0; - } - trace_i915_ring_wait_begin (dev); end = jiffies + 3 * HZ; do { - ring->head = I915_READ_HEAD(ring) & HEAD_ADDR; + /* If the reported head position has wrapped or hasn't advanced, + * fallback to the slow and accurate path. + */ + head = intel_read_status_page(ring, 4); + if (head < ring->actual_head) + head = I915_READ_HEAD(ring); + ring->actual_head = head; + ring->head = head & HEAD_ADDR; ring->space = ring->head - (ring->tail + 8); if (ring->space < 0) ring->space += ring->size; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 3126c2681983..d2cd0f1efeed 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -30,8 +30,9 @@ struct intel_ring_buffer { struct drm_device *dev; struct drm_gem_object *gem_object; - unsigned int head; - unsigned int tail; + u32 actual_head; + u32 head; + u32 tail; int space; struct intel_hw_status_page status_page; From 63abf3edaf42d0b9f278df90fe41c7ed4796b6b1 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 8 Dec 2010 16:48:21 +0000 Subject: [PATCH 138/138] drm/i915/sdvo: Only use the SDVO pin if it is in the valid range BIOSes. Can't live without them (apparently), definitely can't live with them. Reported-by: Ben Gamari Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=24312 Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/intel_sdvo.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index d97e6cb52d34..27e63abf2a73 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1908,9 +1908,12 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv, speed = mapping->i2c_speed; } - sdvo->i2c = &dev_priv->gmbus[pin].adapter; - intel_gmbus_set_speed(sdvo->i2c, speed); - intel_gmbus_force_bit(sdvo->i2c, true); + if (pin < GMBUS_NUM_PORTS) { + sdvo->i2c = &dev_priv->gmbus[pin].adapter; + intel_gmbus_set_speed(sdvo->i2c, speed); + intel_gmbus_force_bit(sdvo->i2c, true); + } else + sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter; } static bool