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In the following patch,
f2fs: split journal cache from curseg cache
journal cache is split from curseg cache. So IO write statistics should be
retrived from journal cache but not curseg->sum_blk. Otherwise, it will
get 0, and the stat is lost.
Signed-off-by: Shuoran Liu <liushuoran@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
In the encrypted symlink case, we should check its corrupted symname after
decrypting it.
Otherwise, we can report -ENOENT incorrectly, if encrypted symname starts with
'\0'.
Cc: stable 4.5+ <stable@vger.kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This patch should fix the issues seen with a recent fix to prevent
tunnel-in-tunnel frames from being generated with GRO. The fix itself is
correct for now as long as we do not add any devices that support
NETIF_F_GSO_GRE_CSUM. When such a device is added it could have the
potential to mess things up due to the fact that the outer transport header
points to the outer UDP header and not the GRE header as would be expected.
Fixes: fac8e0f579 ("tunnels: Don't apply GRO to multiple layers of encapsulation.")
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
in the case where qed_slowpath_irq_req is not called, rc is not
assigned and so qed_int_igu_enable will return a garbage value.
Fix this by initializing rc to 0.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Somehow my patch for commit cea8768f33 ("sctp: allow
sctp_transmit_packet and others to use gfp") missed two important
chunks, which are now added.
Fixes: cea8768f33 ("sctp: allow sctp_transmit_packet and others to use gfp")
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-By: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When NET_SWITCHDEV=n, switchdev_port_attr_set will return -EOPNOTSUPP,
we should ignore this error code and continue to set the ageing time.
Fixes: c62987bbd8 ("bridge: push bridge setting ageing_time down to switchdev")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull crypto fix from Herbert Xu:
"This fixes a bug in pkcs7_validate_trust and its users where the
output value may in fact be taken from uninitialised memory"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
PKCS#7: pkcs7_validate_trust(): initialize the _trusted output argument
This fixes a bug from the configfs cleanup.
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Merge tag 'dlm-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm fix from David Teigland:
"This fixes a bug from the configfs cleanup"
* tag 'dlm-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: config: Fix ENOMEM failures in make_cluster()
Josh Boyer reported that my recent change to uapi/linux/swab.h broke the Qemu build:
bc27fb68aa ("include/uapi/linux/byteorder, swab: force inlining of some byteswap operations")
Unfortunately, UAPI headers don't include compiler.h so fixing it there is not enough,
add an __always_inline definition to uapi/linux/stddef.h instead.
Testcase: "make headers_install" and try to compile this:
#include <linux/swab.h>
void main() {}
Reported-by: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Graf <tgraf@suug.ch>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1459289697-12875-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Here on Ubuntu/precise I have GNU/coreutils v8.13 installed
where 'basename -s' is not supported.
The result is that run_tests.sh is not done properly.
How to reproduce:
$ cd $BUILD_DIR
$ LC_ALL=C make -C tools/ liblockdep
$ cd tools/lib/lockdep/
$ LC_ALL=C ./run_tests.sh
basename: invalid option -- 's'
Try `basename --help' for more information.
... timeout: failed to run command `./tests/': Permission denied
FAILED!
rm: cannot remove `tests/': Is a directory
Due to unsupported basename the tests programs are not generated
and cannot be removed.
Fix this by doing a compatible basename invocation and check for
the existence of generated tests programs.
For more details see this LKML thread:
http://marc.info/?t=145906667300001&r=1&w=2
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sasha Levin <sasha.levin@oracle.com> (maintainer:LIBLOCKDEP)
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-fsdevel <linux-fsdevel@vger.kernel.org>
Link: http://lkml.kernel.org/r/1459326169-7009-1-git-send-email-sedat.dilek@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Add missing initialization of perf_sample.cpumode in synthesized samples,
affects jitdump, records for pre-existing threads and records synthesized
from processor trace data, noticed while testing intel_pt events with
'perf script' (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-20160329' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fix from Arnaldo Carvalho de Melo:
- Add missing initialization of perf_sample.cpumode in synthesized samples,
affects jitdump, records for pre-existing threads and records synthesized
from processor trace data, noticed while testing intel_pt events with
'perf script' (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
platform_get_resource() can return NULL, thus add NULL test to prevent NULL
pointer dereference.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Current code uses a uninitialized spin lock.
bgpio_init() already initialized a spin lock, so let's switch to use
&gc->bgpio_lock instead and remove the lock from struct men_z127_gpio.
Fixes: f436bc2726 "gpio: add driver for MEN 16Z127 GPIO controller"
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix support for 16 bit source/dest port matches in ixgbe model.
u32 uses a single 32-bit key value for both source and destination ports
starting at offset 0. So replace the 2 functions with a single function
that takes this key value/mask to program both source and dest ports.
Verified with the following filter:
#tc qdisc add dev p4p1 ingress
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 1: u32 divisor 1
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 800:0:10 u32 ht 800: link 1: \
offset at 0 mask 0f00 shift 6 plus 0 eat match ip protocol 6 ff
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 1:0:10 u32 ht 1: \
match tcp src 1024 ffff match tcp dst 80 ffff action drop
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 1:0:11 u32 ht 1: \
match tcp src 1025 ffff action drop
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 1:0:12 u32 ht 1: \
match tcp dst 81 ffff action drop
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Remove the incorrect check for mask in ixgbe_configure_clsu32 and
drop the 'mask' field that is not required in struct ixgbe_mat_field
Verified with the following filters:
#tc qdisc add dev p4p1 ingress
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 800:0:1 u32 ht 800: \
match ip dst 10.0.0.1/8 match ip src 10.0.0.2/8 action drop
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 800:0:2 u32 ht 800: \
match ip dst 11.0.0.1/16 match ip src 11.0.0.2/16 action drop
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 800:0:3 u32 ht 800: \
match ip dst 12.0.0.1/24 match ip src 12.0.0.2/24 action drop
#tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
handle 800:0:4 u32 ht 800: \
match ip dst 13.0.0.1/32 match ip src 13.0.0.2/32 action drop
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Check for handle ids when adding/deleting hash nodes OR adding/deleting
filter entries and limit them to max number of links or header nodes
supported(IXGBE_MAX_LINK_HANDLE).
Start from bit 0 when setting hash table bit-map.(adapter->tables)
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This function is only used in ixgbe_main.c
Resolves a "missing prototype" warning when building the driver with W=1
Reported-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Return error when a MAC address change is rejected by the PF.
This will prevent the user from modifying the MAC address when
that operation is not permitted.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Calling dev_close() causes IFF_UP to be cleared which will remove the
interfaces routes and some addresses. That's probably not what the user
intended when running the offline selftest. Besides this does not happen
if the interface is brought down before the test, so the current
behaviour is inconsistent.
Instead call the net_device_ops ndo_stop function directly and avoid
touching IFF_UP at all.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Calling dev_close() causes IFF_UP to be cleared which will remove the
interfaces routes and some addresses. That's probably not what the user
intended when running the offline selftest. Besides this does not happen
if the interface is brought down before the test, so the current
behaviour is inconsistent.
Instead call the net_device_ops ndo_stop function directly and avoid
touching IFF_UP at all.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Use udelay instead of usleep_range because this can be called while
a lock is held.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The ATR code was assuming that it would be able to use tcp_hdr for
every TCP frame that came through. However this isn't the case as it
is possible for a frame to arrive that is TCP but sent through something
like a raw socket. As a result the driver was setting up bad filters in
which tcp_hdr was really pointing to the network header so the data was
all invalid.
In order to correct this I have added a bit of parsing logic that will
determine the TCP header location based off of the network header and
either the offset in the case of the IPv4 header, or a walk through the
IPv6 extension headers until it encounters the header that indicates
IPPROTO_TCP. In addition I have added checks to verify that the lowest
protocol provided is recognized as IPv4 or IPv6 to help mitigate raw
sockets using ETH_P_ALL from having ATR applied to them.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The VXLAN port number should be stored in network order instead of in host
order as it is accessed from the hot-path in ATR. This way we can avoid
having to do any byte swaps in order to validate the port number.
I moved the vxlan_port value into a hole in the read-mostly region of the
adapter struct. This way it should be in a warm cache-line instead of in
some isolated region in memory when it needs to be accessed.
In addition I went through and stripped a bunch of unneeded ifdef flags
since having an extra variable present doesn't really hurt anything and
makes the code easier to read. I also went through and dropped the
NETIF_F_RXCSUM flag which was being set in hw_encap_features but provides
no value as the flag is not evaluated in the Rx path.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
commit c9f53e63c2 ("ixgbe: Refactor MAC address configuration code")
introduced code that doesn't set HW register RAR0 to default mac address
but FF:FF:FF:FF:FF:FF. Due to this, ixgbe HW discards all incoming packets
that doesn't have destination mac address equals to FF:FF:FF:FF:FF:FF.
This commit sets RAR0 correctly to default HW mac address.
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Tested-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Drivers for these don't exist yet so we will add them as fixed clocks
so we don't BUG() if we change clocks that reference these clocks.
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
When this was added not all the remaining defines were switched over to
use enums, so let's complete that process here
Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The qcom_reset_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The rst_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The sunxi_ve_reset_ops, sun9i_mmc_reset_ops, and sunxi_usb_reset_ops
structures are never modified. Make them const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The atlas7_rst_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The rockchip_softrst_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The mmp_clk_reset_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The mtk_reset_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
In 473398a21d ("perf tools: Add cpumode to struct perf_sample"), I
missed some places where perf_sample fields are directly initialized in
addition to what is done in perf_evsel__parse_sample(), namely when
synthesizing PERF_RECORD_{MMAP*,COMM,FORK,EXIT} for pre-existing threads
and also in intel_pt and intel_bts when synthesizing events from
processor trace, the jitdump code also was affected, fix it.
The problem was noticed with running:
# perf record -e intel_pt//u true
# perf script
Where the samples wouldn't get resolved because perf_sample.cpumode
would be left as zero, i.e. PERF_RECORD_MISC_CPUMODE_UNKNOWN, not
resolving as kernel, hypervisor or user cpu modes.
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 473398a21d ("perf tools: Add cpumode to struct perf_sample")
Link: http://lkml.kernel.org/n/tip-n5sdauxgk24d5nun8kuuu2mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Not my full time job anymore, but still maintaining it.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
A few defconfig updates got dropped on the floor during the merge window,
so I've rounded up the remainder here:
* Fix duplicate definition of MMC_BLOCK_MINORS and bump to 32 for
msm8916
* CPUFreq support for the Juno platform, using the MHU/SCPI interface
* Removal of the default command line, which assumed a console called
ttyAMA0
* Bits and pieces for the Hi6220 (96Boards HiKey)
Signed-off-by: Will Deacon <will.deacon@arm.com>
When Q_GETNEXTQUOTA was called for filesystem with quotas disabled
ocfs2_get_next_id() oopses. Fix the problem by checking early whether
the filesystem has quotas enabled.
Signed-off-by: Jan Kara <jack@suse.cz>
Commit 1ae1602de0 "configfs: switch ->default groups to a linked list"
left the NULL gps pointer behind after removing the kcalloc() call which
made it non-NULL. It also left the !gps check in place so make_cluster()
now fails with ENOMEM. Remove the remaining uses of the gps variable to
fix that.
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Currently we oopsed when Q_GETNEXTQUOTA got called when quota was
disabled. Properly check whether quota is enabled for the filesystem
before calling into quota format handler.
Reported-by: Ted Tso <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
To use the ARMv8 PMU related register defines from the KVM code, we move
the relevant definitions to asm/perf_event.h header file and rename them
with prefix ARMV8_PMU_. This allows us to get rid of kvm_perf_event.h.
Signed-off-by: Anup Patel <anup.patel@linaro.org>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arm and arm64 use different config options to specify big endian. This
needs taking into account when including code/headers between the two
architectures.
A case in point is PAN, which uses the __instr_arm() macro to output
instructions. The macro comes from opcodes.h, which lives under arch/arm.
On a big-endian build the mismatched config options mean the instruction
isn't byte swapped correctly, resulting in undefined instruction exceptions
during boot:
| alternatives: patching kernel code
| kdevtmpfs[87]: undefined instruction: pc=ffffffc0004505b4
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| kdevtmpfs[87]: undefined instruction: pc=ffffffc00076231c
| Internal error: Oops - undefined instruction: 0 [#1] SMP
| Modules linked in:
| CPU: 0 PID: 87 Comm: kdevtmpfs Not tainted 4.1.16+ #5
| Hardware name: Hisilicon PhosphorHi1382 EVB (DT)
| task: ffffffc336591700 ti: ffffffc3365a4000 task.ti: ffffffc3365a4000
| PC is at dump_instr+0x68/0x100
| LR is at do_undefinstr+0x1d4/0x2a4
| pc : [<ffffffc00076231c>] lr : [<ffffffc0000811d4>] pstate: 604001c5
| sp : ffffffc3365a6450
Cc: <stable@vger.kernel.org> #4.3.x-
Reported-by: Hanjun Guo <guohanjun@huawei.com>
Tested-by: Xuefeng Wang <wxf.wang@hisilicon.com>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Add the newly created linux-remoteproc mailing list for the three
subsystems related to remote processor management and communication.
Acked-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This call has always been missing from xen_play dead() but until
recently this was rather benign. With new cpu hotplug framework
(commit 8df3e07e7f ("cpu/hotplug: Let upcoming cpu bring itself fully up").
however this call is required, otherwise a hot-plugged CPU will not
be properly brough up (by never calling cpuhp_online_idle())
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Merge tag 'v4.6-rc1' into for-linus-4.6
Linux 4.6-rc1
* tag 'v4.6-rc1': (12823 commits)
Linux 4.6-rc1
f2fs/crypto: fix xts_tweak initialization
NTB: Remove _addr functions from ntb_hw_amd
orangefs: fix orangefs_superblock locking
orangefs: fix do_readv_writev() handling of error halfway through
orangefs: have ->kill_sb() evict the VFS side of things first
orangefs: sanitize ->llseek()
orangefs-bufmap.h: trim unused junk
orangefs: saner calling conventions for getting a slot
orangefs_copy_{to,from}_bufmap(): don't pass bufmap pointer
orangefs: get rid of readdir_handle_s
thp: fix typo in khugepaged_scan_pmd()
MAINTAINERS: fill entries for KASAN
mm/filemap: generic_file_read_iter(): check for zero reads unconditionally
kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2
mm, kasan: stackdepot implementation. Enable stackdepot for SLAB
arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
mm, kasan: add GFP flags to KASAN API
mm, kasan: SLAB support
kasan: modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right()
...
This patch functionally reverts:
5fd7a09cfb ("atomic: Export fetch_or()")
During the merge Linus observed that the generic version of fetch_or()
was messy:
" This makes the ugly "fetch_or()" macro that the scheduler used
internally a new generic helper, and does a bad job at it. "
e23604edac Merge branch 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Now that we have introduced atomic_fetch_or(), fetch_or() is only used
by the scheduler in order to deal with thread_info flags which type
can vary across architectures.
Lets confine fetch_or() back to the scheduler so that we encourage
future users to use the more robust and well typed atomic_t version
instead.
While at it, fetch_or() gets robustified, pasting improvements from a
previous patch by Ingo Molnar that avoids needless expression
re-evaluations in the loop.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1458830281-4255-4-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The tick dependency mask was intially unsigned long because this is the
type on which clear_bit() operates on and fetch_or() accepts it.
But now that we have atomic_fetch_or(), we can instead use
atomic_andnot() to clear the bit. This consolidates the type of our
tick dependency mask, reduce its size on structures and benefit from
possible architecture optimizations on atomic_t operations.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1458830281-4255-3-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This is deemed to replace the type generic fetch_or() which brings a lot
of issues such as macro induced block variable aliasing and sloppy types.
Not to mention fetch_or() doesn't refer to any namespace, adding even
more confusion.
So lets provide an atomic_t version. Current and next users of fetch_or()
are thus encouraged to use atomic_t.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1458830281-4255-2-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
