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If CONFIG_KASAN is enabled and gcc is configured with
--disable-initfini-array and/or gold linker is used, gcc emits
.ctors/.dtors and .text.startup/.text.exit sections instead of
.init_array/.fini_array. .dtors section is not explicitly accounted in
the linker script and messes vvar/percpu layout.
We want:
ffffffff822bfd80 D _edata
ffffffff822c0000 D __vvar_beginning_hack
ffffffff822c0000 A __vvar_page
ffffffff822c0080 0000000000000098 D vsyscall_gtod_data
ffffffff822c1000 A __init_begin
ffffffff822c1000 D init_per_cpu__irq_stack_union
ffffffff822c1000 A __per_cpu_load
ffffffff822d3000 D init_per_cpu__gdt_page
We got:
ffffffff8279a600 D _edata
ffffffff8279b000 A __vvar_page
ffffffff8279c000 A __init_begin
ffffffff8279c000 D init_per_cpu__irq_stack_union
ffffffff8279c000 A __per_cpu_load
ffffffff8279e000 D __vvar_beginning_hack
ffffffff8279e080 0000000000000098 D vsyscall_gtod_data
ffffffff827ae000 D init_per_cpu__gdt_page
This happens because __vvar_page and .vvar get different addresses in
arch/x86/kernel/vmlinux.lds.S:
. = ALIGN(PAGE_SIZE);
__vvar_page = .;
.vvar : AT(ADDR(.vvar) - LOAD_OFFSET) {
/* work around gold bug 13023 */
__vvar_beginning_hack = .;
Discard .dtors/.fini_array/.text.exit, since we don't call dtors.
Merge .text.startup into init text.
Link: http://lkml.kernel.org/r/1467386363-120030-1-git-send-email-dvyukov@google.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org> [4.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
early_page_uninitialised looks up an arbitrary PFN. While a machine
without node 0 will boot with "mm, page_alloc: Always return a valid
node from early_pfn_to_nid", it works because it assumes that nodes are
always in PFN order. This is not guaranteed so this patch adds
robustness by always checking if the node being checked is online.
Link: http://lkml.kernel.org/r/1468008031-3848-4-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org> [4.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
early_pfn_to_nid can return node 0 if a PFN is invalid on machines that
has no node 0. A machine with only node 1 was observed to crash with
the following message:
BUG: unable to handle kernel paging request at 000000000002a3c8
PGD 0
Modules linked in:
Hardware name: Supermicro H8DSP-8/H8DSP-8, BIOS 080011 06/30/2006
task: ffffffff81c0d500 ti: ffffffff81c00000 task.ti: ffffffff81c00000
RIP: reserve_bootmem_region+0x6a/0xef
CR2: 000000000002a3c8 CR3: 0000000001c06000 CR4: 00000000000006b0
Call Trace:
free_all_bootmem+0x4b/0x12a
mem_init+0x70/0xa3
start_kernel+0x25b/0x49b
The problem is that early_page_uninitialised uses the early_pfn_to_nid
helper which returns node 0 for invalid PFNs. No caller of
early_pfn_to_nid cares except early_page_uninitialised. This patch has
early_pfn_to_nid always return a valid node.
Link: http://lkml.kernel.org/r/1468008031-3848-3-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org> [4.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are two bugs on qlist_move_cache(). One is that qlist's tail
isn't set properly. curr->next can be NULL since it is singly linked
list and NULL value on tail is invalid if there is one item on qlist.
Another one is that if cache is matched, qlist_put() is called and it
will set curr->next to NULL. It would cause to stop the loop
prematurely.
These problems come from complicated implementation so I'd like to
re-implement it completely. Implementation in this patch is really
simple. Iterate all qlist_nodes and put them to appropriate list.
Unfortunately, I got this bug sometime ago and lose oops message. But,
the bug looks trivial and no need to attach oops.
Fixes: 55834c59098d ("mm: kasan: initial memory quarantine implementation")
Link: http://lkml.kernel.org/r/1467766348-22419-1-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Acked-by: Alexander Potapenko <glider@google.com>
Cc: Kuthonuzo Luruo <poll.stdin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This header contains the userspace API for lirc.
This is a fixup for commit b7be755733dc ("[media] bz#75751: Move
internal header file lirc.h to uapi/"). It moved the header to the
right place, but it forgot to add it at Kbuild. So, despite being at
uapi, it is not copied to the right place.
Fixes: b7be755733dc44c72 ("[media] bz#75751: Move internal header file lirc.h to uapi/")
Link: http://lkml.kernel.org/r/320c765d32bfc82c582e336d52ffe1026c73c644.1468439021.git.mchehab@s-opensource.com
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Cc: Alec Leamas <leamas.alec@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
madvise_free_huge_pmd should return 0 if the fallback PTE operations are
required. In madvise_free_huge_pmd, if part pages of THP are discarded,
the THP will be split and fallback PTE operations should be used if
splitting succeeds. But the original code will make fallback PTE
operations skipped, after splitting succeeds. Fix that via make
madvise_free_huge_pmd return 0 after splitting successfully, so that the
fallback PTE operations will be done.
Link: http://lkml.kernel.org/r/1467135452-16688-1-git-send-email-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 9b5580359a84 ("scripts/gdb: add documentation
example for radix tree")
The python implementation of radix tree was merged at the same time as a
refactoring of the radix tree implementation and doesn't work. The
feature is being reverted, thus we revert the documentation as well.
Link: http://lkml.kernel.org/r/1467127337-11135-7-git-send-email-kieran@bingham.xyz
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit e127a73d41ac ("scripts/gdb: add a Radix Tree
Parser")
The python implementation of radix-tree was merged at the same time as
the radix-tree system was heavily reworked from commit e9256efcc8e3
("radix-tree: introduce radix_tree_empty") to 3bcadd6fa6c4 ("radix-tree:
free up the bottom bit of exceptional entries for reuse") and no longer
functions, but also prevents other gdb scripts from loading.
This functionality has not yet hit a release, so simply remove it for
now
Link: http://lkml.kernel.org/r/1467127337-11135-6-git-send-email-kieran@bingham.xyz
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Python doesn't do automatic expansion of paths. In case one passes path
of the from ~/foo/bar the gdb scripts won't automatically expand that
and as a result the symbols files won't be loaded.
Fix this by explicitly expanding all paths which begin with "~"
Link: http://lkml.kernel.org/r/1467127337-11135-5-git-send-email-kieran@bingham.xyz
Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com>
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since scripts/gdb/linux/constants.py is autogenerated, this should have
been added to .gitignore when it was introduced.
Fixes: f197d75fcad1 ("scripts/gdb: provide linux constants")
Link: http://lkml.kernel.org/r/1467127337-11135-4-git-send-email-kieran@bingham.xyz
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The autogenerated constants.py file was only being built on the initial
call, and if the constants.py.in file changed. As we are utilising the
CPP hooks, we can successfully use the call if_changed_dep rules to
determine when to rebuild the file based on it's inclusions.
Link: http://lkml.kernel.org/r/1467127337-11135-3-git-send-email-kieran@bingham.xyz
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Reported-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The constants.py generation, involves a rule to link into the main
makefile. This rule has no command and generates a spurious warning
message in the build logs when CONFIG_SCRIPTS_GDB is enabled.
Fix simply by giving a no-op action
Link: http://lkml.kernel.org/r/1467127337-11135-2-git-send-email-kieran@bingham.xyz
Signed-off-by: Kieran Bingham <kieran@bingham.xyz>
Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's possible to isolate some freepages in a pageblock and then fail
split_free_page() due to the low watermark check. In this case, we hit
VM_BUG_ON() because the freeing scanner terminated early without a
contended lock or enough freepages.
This should never have been a VM_BUG_ON() since it's not a fatal
condition. It should have been a VM_WARN_ON() at best, or even handled
gracefully.
Regardless, we need to terminate anytime the full pageblock scan was not
done. The logic belongs in isolate_freepages_block(), so handle its
state gracefully by terminating the pageblock loop and making a note to
restart at the same pageblock next time since it was not possible to
complete the scan this time.
[rientjes@google.com: don't rescan pages in a pageblock]
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1607111244150.83138@chino.kir.corp.google.com
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1606291436300.145590@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Reported-by: Minchan Kim <minchan@kernel.org>
Tested-by: Minchan Kim <minchan@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A bunch of vmwgfx fixes that fix a black screen issue on latest distros/hw combos.
* 'drm-vmwgfx-fixes' of git://people.freedesktop.org/~syeh/repos_linux:
drm/vmwgfx: Fix error paths when mapping framebuffer
drm/vmwgfx: Fix corner case screen target management
drm/vmwgfx: Delay pinning fbdev framebuffer until after mode set
drm/vmwgfx: Check pin count before attempting to move a buffer
drm/ttm: Make ttm_bo_mem_compat available
drm/vmwgfx: Add an option to change assumed FB bpp
drm/vmwgfx: Work around mode set failure in 2D VMs
drm/vmwgfx: Add a check to handle host message failure
I've also realized that a pile of hang fixes for kbl landed in next, and
no one thought of backporting it to 4.7 - kbl has lost prelim_hw_support
tagging in 4.7-rc1 already. Mika is prepping a topic branch for those,
will send you a separate pull request since it's quite a bit (but should
be all well restricted to kbl code, so similar to polaris in amdgpu).
* tag 'drm-intel-fixes-2016-07-14' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Ignore panel type from OpRegion on SKL
drm/i915: Update ifdeffery for mutex->owner
Commit e826eafa65c6 ("bonding: Call netif_carrier_off after
register_netdevice") moved netif_carrier_off() from bond_init() to
bond_create(), but the latter is called only for initial default
devices and ones created through sysfs:
$ modprobe bonding
$ echo +bond1 > /sys/class/net/bonding_masters
$ ip link add bond2 type bond
$ grep "MII Status" /proc/net/bonding/*
/proc/net/bonding/bond0:MII Status: down
/proc/net/bonding/bond1:MII Status: down
/proc/net/bonding/bond2:MII Status: up
Ensure that carrier is initially off also for devices created through
netlink.
Signed-off-by: Beniamino Galvani <bgalvani@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Two more polaris fixes.
* 'drm-fixes-4.7' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: fix power distribution issue for Polaris10 XT
drm/amdgpu: Add a missing register to Polaris golden setting
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Calling of_find_node_by_name() assumes that the caller has incremented
the refcount of the of_node being passed in. Currently, the caller is
not incrementing the refcount of the of_node which results in the node
being prematurely freed when of_find_node_by_name() calls of_node_put()
on it. Instead use of_get_child_by_name() which does not call put on the
of_node.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This reverts commit 5f7e5445a2de848c66d2d80ba5479197e8287c33 because
removal of input_mt_report_slot_state() means we no longer generate
tracking IDs for the reported contacts.
Cc: stable@vger.kernel.org
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Ping Cheng <pinglinux@gmail.com>
commit c9711ec5250b ("mtd: nand: omap: Clean up device tree support")
removes the check for the old elm phandle binding.
Add it again to keep backward compatibility.
Fixes: commit c9711ec5250b ("mtd: nand: omap: Clean up device tree support")
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
We can't sleep with RCU read lock held, but we need to do potentially
blocking stuff to namespace queues when iterating the list. This patch
removes the RCU locking and holds a mutex instead.
To prevent deadlocks, this patch removes holding the mutex during
namespace scanning and removal. The unlocked namespace scanning is made
safe by holding a reference to the namespace being scanned.
List iteration that does IO has to be unlocked to allow error recovery.
The caller must ensure the list can not be manipulated during such an
event, so this patch adds a comment explaining this requirement to the
only function that iterates an unlocked list. All callers currently
meet this requirement, so no further changes required.
List iterations that do not do IO can safely use the lock since it couldn't
block recovery from missing forced IO completions.
Reported-by: Ming Lin <mlin at kernel.org>
[fixes 0bf77e9 nvme: switch to RCU freeing the namespace]
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Dell XPS 13 9350 apparently doesn't like it when we use the panel type
from OpRegion. The OpRegion panel type (0) tells us to use use low
vswing for eDP, whereas the VBT panel type (2) tells us to use normal
vswing. The problem is that low vswing results in some display flickers.
Since no one seems to know how this stuff is supposed to be handled,
let's just ignore the OpRegion panel type on SKL for now.
v2: Print the panel type correctly in the debug output
Reported-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: drm-intel-fixes@lists.freedesktop.org
References: https://lists.freedesktop.org/archives/intel-gfx/2016-June/098826.html
Fixes: a05628195a0d ("drm/i915: Get panel_type from OpRegion panel details")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1468324837-29237-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit bb10d4ec3be4b069bfb61c60ca4f708f58f440f1)
[danvet: Fix up cherry-pick conflict with an s/dev_priv/dev/.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
In commit 7608a43d8f2e ("locking/mutexes: Use MUTEX_SPIN_ON_OWNER when
appropriate") the owner field in the mutex was updated from being
dependent upon CONFIG_SMP to using optimistic spin. Update our peek
function to suite.
Fixes:7608a43d8f2e ("locking/mutexes: Use MUTEX_SPIN_ON_OWNER...")
Reported-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1468244777-4888-1-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
(cherry picked from commit 4f074a5393431a7d2cc0de7fcfe2f61d24854628)
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull perf and timer fixes from Ingo Molnar:
"A fix for a posix CPU timers bug, and a perf printk message fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix bogus kernel printk, again
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix_cpu_timer: Exit early when process has been reaped
Pull x86 fixes from Ingo Molnar:
"This contains three commits to fix memory corruption bugs with certain
Apple AirPort cards, plus a fix for a X86_BUG() ID definitions collision
bug in asm/cpufeatures.h"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/quirks: Add early quirk to reset Apple AirPort card
x86/quirks: Reintroduce scanning of secondary buses
x86/quirks: Apply nvidia_bugs quirk only on root bus
x86/cpu: Fix duplicated X86_BUG(9) macro
Pull core fixes from Ingo Molnar:
"Fix an objtool false positive plus an UP kernel memory corruption bug
on certain configs"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Keep enough storage space if SMP=n to avoid array out of bounds scribble
objtool: Fix STACK_FRAME_NON_STANDARD macro checking for function symbols
Willem de Bruijn says:
====================
limit sk_filter trim to payload
Sockets can apply a filter to incoming packets to drop or trim them.
Fix two codepaths that call skb_pull/__skb_pull after sk_filter
without checking for packet length.
Reading beyond skb->tail after trimming happens in more codepaths, but
safety of reading in the linear segment is based on minimum allocation
size (MAX_HEADER, GRO_MAX_HEAD, ..).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Dccp verifies packet integrity, including length, at initial rcv in
dccp_invalid_packet, later pulls headers in dccp_enqueue_skb.
A call to sk_filter in-between can cause __skb_pull to wrap skb->len.
skb_copy_datagram_msg interprets this as a negative value, so
(correctly) fails with EFAULT. The negative length is reported in
ioctl SIOCINQ or possibly in a DCCP_WARN in dccp_close.
Introduce an sk_receive_skb variant that caps how small a filter
program can trim packets, and call this in dccp with the header
length. Excessively trimmed packets are now processed normally and
queued for reception as 0B payloads.
Fixes: 7c657876b63c ("[DCCP]: Initial implementation")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sockets can have a filter program attached that drops or trims
incoming packets based on the filter program return value.
Rose requires data packets to have at least ROSE_MIN_LEN bytes. It
verifies this on arrival in rose_route_frame and unconditionally pulls
the bytes in rose_recvmsg. The filter can trim packets to below this
value in-between, causing pull to fail, leaving the partial header at
the time of skb_copy_datagram_msg.
Place a lower bound on the size to which sk_filter may trim packets
by introducing sk_filter_trim_cap and call this for rose packets.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Saeed Mahameed says:
====================
mlx5 tx timeout watchdog fixes
This patch set provides two trivial fixes for the tx timeout series lately
applied into net 4.7.
From Daniel, detect stuck queues due to BQL
From Mohamad, fix tx timeout watchdog false alarm
Hopefully those two fixes will make it to -stable, assuming
3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback') was also backported to -stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Start all tx queues (including inactive ones) when opening the netdev.
Stop all tx queues (including inactive ones) when closing the netdev.
This is a workaround for the tx timeout watchdog false alarm issue in
which the netdev watchdog is polling all the tx queues which may include
inactive queues and thus once lowering the real tx queues number
(ethtool -L) it will generate tx timeout watchdog false alarms.
Fixes: 3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change netif_tx_queue_stopped to netif_xmit_stopped. This will show
when queues are stopped due to byte queue limits.
Fixes: 3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The move of calc_load_migrate() from CPU_DEAD to CPU_DYING did not take into
account that the function is now called from a thread running on the outgoing
CPU. As a result a cpu unplug leakes a load of 1 into the global load
accounting mechanism.
Fix it by adjusting for the currently running thread which calls
calc_load_migrate().
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Cc: rt@linutronix.de
Cc: shreyas@linux.vnet.ibm.com
Fixes: e9cd8fa4fcfd: ("sched/migration: Move calc_load_migrate() into CPU_DYING")
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1607121744350.4083@nanos
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'media/v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Two regression fixes:
- a regression when handling VIDIOC_CROPCAP at the media core;
- a regression at adv7604 that was ignoring pad number in subdev ops"
* tag 'media/v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] adv7604: Don't ignore pad number in subdev DV timings pad operations
[media] v4l2-ioctl: fix stupid mistake in cropcap condition
Xiaolong Ye reported lock debug warnings triggered by the following commit:
8de4a0066106 ("perf/x86: Convert the core to the hotplug state machine")
The bug is the following: the cpuhp_bp_states[] array is cut short when
CONFIG_SMP=n, but the dynamically registered callbacks are stored nevertheless
and happily scribble outside of the array bounds...
We need to store them in case that the state is unregistered so we can invoke
the teardown function. That's independent of CONFIG_SMP. Make sure the array
is large enough.
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Adam Borowski <kilobyte@angband.pl>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: lkp@01.org
Cc: stable@vger.kernel.org
Cc: tipbuild@zytor.com
Fixes: cff7d378d3fd "cpu/hotplug: Convert to a state machine for the control processor"
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1607122144560.4083@nanos
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Florian Fainelli says:
====================
net: ethoc: Error path and transmit fixes
This patch series contains two patches for the ethoc driver while testing on a
TS-7300 board where ethoc is provided by an on-board FPGA.
First patch was cooked after chasing crashes with invalid resources passed to
the driver.
Second patch was cooked after seeing that an interface configured with IP
192.168.2.2 was sending ARP packets for 192.168.0.0, no wonder why it could not
work.
I don't have access to any other platform using an ethoc interface so
it could be good to some testing on Xtensa for instance.
Changes in v3:
- corrected the error path if skb_put_padto() fails, thanks to Max
for spotting this!
Changes in v2:
- fixed the first commit message
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Even though the hardware can be doing zero padding, we want the SKB to
be going out on the wire with the appropriate size. This fixes packet
truncations observed with e.g: ARP packets.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case any operation fails before we can successfully go the point
where we would register a MDIO bus, we would be going to an error label
which involves unregistering then freeing this yet to be created MDIO
bus. Update all error paths to go to label free which is the only one
valid until either the clock is enabled, or the MDIO bus is allocated
and registered. This fixes kernel oops observed while trying to
dereference the MDIO bus structure which is not yet allocated.
Fixes: a1702857724f ("net: Add support for the OpenCores 10/100 Mbps Ethernet MAC.")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix a recent regression in the ACPI EC driver introduced by a fix
of another problem that uncovered a latent code ordering issue in
the driver (Lv Zheng).
- Revert a recent ACPICA commit that attempted to address a lock
ordering issue introduced by a previous fix, but caused Dell
Precision 5510 to fail to boot, revert that previous fix too and
finally revert the commit that caused the original problem (a
deadlock in the ACPICA code) to happen (Rafael Wysocki).
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Merge tag 'acpi-urgent-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"One ACPI EC driver regression fix (code ordering) and three reverts of
ACPICA commits, one that introduced a problem and two unsuccessful
attempted fixes on top of it.
Specifics:
- Fix a recent regression in the ACPI EC driver introduced by a fix
of another problem that uncovered a latent code ordering issue in
the driver (Lv Zheng).
- Revert a recent ACPICA commit that attempted to address a lock
ordering issue introduced by a previous fix, but caused Dell
Precision 5510 to fail to boot, revert that previous fix too and
finally revert the commit that caused the original problem (a
deadlock in the ACPICA code) to happen (Rafael Wysocki)"
* tag 'acpi-urgent-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI 2.0 / AML: Improve module level execution by moving the If/Else/While execution to per-table basis"
Revert "ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading"
Revert "ACPICA: Namespace: Fix namespace/interpreter lock ordering"
ACPI / EC: Fix code ordering issue in ec_remove_handlers()
During commit b54b8c2d6e3c
("net: ezchip: adapt driver to little endian architecture")
adapting to little endian architecture,
zeroing of controller was left out.
Signed-off-by: Elad Kanfi <eladkan@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit looks like a cleanup but in fact by causing the core to go
down some simplified code paths for noop regulators it avoids a boot
time crash for msm8974 platforms which was introduced in v4.7. It has
been in -next for a while, the issues in mainline for these platforms
weren't flagged up to me until yesterday (I think it took some time to
figure out what was going wrong).
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Merge tag 'qcom-smd-list-voltage' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"Fix qcom-smd list voltage issues for msm8974
This commit looks like a cleanup but in fact by causing the core to go
down some simplified code paths for noop regulators it avoids a boot
time crash for msm8974 platforms which was introduced in v4.7. It has
been in -next for a while, the issues in mainline for these platforms
weren't flagged up to me until yesterday (I think it took some time to
figure out what was going wrong)"
* tag 'qcom-smd-list-voltage' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: qcom_smd: Remove list_voltage callback for rpm_smps_ldo_ops_fixed
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree.
they are:
1) Fix leak in the error path of nft_expr_init(), from Liping Zhang.
2) Tracing from nf_tables cannot be disabled, also from Zhang.
3) Fix an integer overflow on 32bit archs when setting the number of
hashtable buckets, from Florian Westphal.
4) Fix configuration of ipvs sync in backup mode with IPv6 address,
from Quentin Armitage via Simon Horman.
5) Fix incorrect timeout calculation in nft_ct NFT_CT_EXPIRATION,
from Florian Westphal.
6) Skip clash resolution in conntrack insertion races if NAT is in
place.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
i40iw_create_cqp() printed the contents of variables maj_err and min_err
in an error message before they could be initialized (by calling
dev->cqp_ops->cqp_create).
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Add the missing port_xmit_wait counter. This counter is displayed through
some tools like perfquery but is not available via sysfs.
For the PORT_PMA_ATTR macro the _counter field is set to zero
allowing us to specify the offset directly like with PORT_PMA_ATTR_EXT
See also the earlier work in 2008 by Vladimir Skolovsky
https://www.mail-archive.com/general@lists.openfabrics.org/msg20313.html
Signed-off-by: Vladimir Sokolvsky <vlad@mellanox.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
