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The DOC comment block section in include/linux/generic-radix-tree.h
contained a spurious colon, causing this warning in the documentation
build:
include/linux/generic-radix-tree.h:1: warning: no structured comments found
Remove the colon and make the docs build happy.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Kent Overstreet <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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In the fixes commit, removing SIGKILL from each thread signal mask and
executing "goto fatal" directly will skip the call to
"trace_signal_deliver". At this point, the delivery tracking of the
SIGKILL signal will be inaccurate.
Therefore, we need to add trace_signal_deliver before "goto fatal" after
executing sigdelset.
Note: SEND_SIG_NOINFO matches the fact that SIGKILL doesn't have any info.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: cf43a757fd4944 ("signal: Restore the stop PTRACE_EVENT_EXIT")
Signed-off-by: Zhenliang Wei <[email protected]>
Reviewed-by: Christian Brauner <[email protected]>
Reviewed-by: Oleg Nesterov <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Ivan Delalande <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Deepa Dinamani <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Commit cf04eee8bf0e ("iommu/vt-d: Include ACPI devices in iommu=pt")
added for_each_active_iommu() in iommu_prepare_static_identity_mapping()
but never used the each element, i.e, "drhd->iommu".
drivers/iommu/intel-iommu.c: In function
'iommu_prepare_static_identity_mapping':
drivers/iommu/intel-iommu.c:3037:22: warning: variable 'iommu' set but
not used [-Wunused-but-set-variable]
struct intel_iommu *iommu;
Fixed the warning by appending a compiler attribute __maybe_unused for it.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Qian Cai <[email protected]>
Suggested-by: Andrew Morton <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: David Woodhouse <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The LICENSE directory has recently changed structure and this makes
spdxcheck fails as per below:
FAIL: "Blob or Tree named 'other' not found"
Traceback (most recent call last):
File "scripts/spdxcheck.py", line 240, in <module>
spdx = read_spdxdata(repo)
File "scripts/spdxcheck.py", line 41, in read_spdxdata
for el in lictree[d].traverse():
[...]
KeyError: "Blob or Tree named 'other' not found"
Fix the script to restore the correctness on checkpatch License checking.
References: 62be257e986d ("LICENSES: Rename other to deprecated")
References: 8ea8814fcdcb ("LICENSES: Clearly mark dual license only licenses")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Vincenzo Frascino <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Jeremy Cline <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When building with -Wuninitialized and CONFIG_KASAN_SW_TAGS unset, Clang
warns:
mm/kasan/common.c:484:40: warning: variable 'tag' is uninitialized when
used here [-Wuninitialized]
kasan_unpoison_shadow(set_tag(object, tag), size);
^~~
set_tag ignores tag in this configuration but clang doesn't realize it at
this point in its pipeline, as it points to arch_kasan_set_tag as being
the point where it is used, which will later be expanded to (void
*)(object) without a use of tag. Initialize tag to 0xff, as it removes
this warning and doesn't change the meaning of the code.
Link: https://github.com/ClangBuiltLinux/linux/issues/465
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 7f94ffbc4c6a ("kasan: add hooks implementation for tag-based mode")
Signed-off-by: Nathan Chancellor <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Reviewed-by: Andrey Ryabinin <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Nick Desaulniers <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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kmem_cache_alloc() may be called from z3fold_alloc() in atomic context, so
we need to pass correct gfp flags to avoid "scheduling while atomic" bug.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 7c2b8baa61fe5 ("mm/z3fold.c: add structure for buddy handles")
Signed-off-by: Vitaly Wool <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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CLK_GET_RATE_NOCACHE depends on CONFIG_COMMON_CLK. Importing constants.py
when CONFIG_COMMON_CLK is not defined causes:
(gdb) lx-symbols
(...)
File "scripts/gdb/linux/proc.py", line 15, in <module>
from linux import constants
File "scripts/gdb/linux/constants.py", line 2, in <module>
LX_CLK_GET_RATE_NOCACHE = gdb.parse_and_eval("CLK_GET_RATE_NOCACHE")
gdb.error: No symbol "CLK_GET_RATE_NOCACHE" in current context.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: e7e6f462c1be ("scripts/gdb: print cached rate in lx-clk-summary")
Signed-off-by: Fabiano Rosas <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Cc: Jan Kiszka <[email protected]>
Cc: Kieran Bingham <[email protected]>
Cc: Leonard Crestez <[email protected]>
Cc: Jackie Liu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When get_user_pages*() is called with pages = NULL, the processing of
VM_FAULT_RETRY terminates early without actually retrying to fault-in all
the pages.
If the pages in the requested range belong to a VMA that has userfaultfd
registered, handle_userfault() returns VM_FAULT_RETRY *after* user space
has populated the page, but for the gup pre-fault case there's no actual
retry and the caller will get no pages although they are present.
This issue was uncovered when running post-copy memory restore in CRIU
after d9c9ce34ed5c ("x86/fpu: Fault-in user stack if
copy_fpstate_to_sigframe() fails").
After this change, the copying of FPU state to the sigframe switched from
copy_to_user() variants which caused a real page fault to get_user_pages()
with pages parameter set to NULL.
In post-copy mode of CRIU, the destination memory is managed with
userfaultfd and lack of the retry for pre-fault case in get_user_pages()
causes a crash of the restored process.
Making the pre-fault behavior of get_user_pages() the same as the "normal"
one fixes the issue.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: d9c9ce34ed5c ("x86/fpu: Fault-in user stack if copy_fpstate_to_sigframe() fails")
Signed-off-by: Mike Rapoport <[email protected]>
Tested-by: Andrei Vagin <[email protected]> [https://travis-ci.org/avagin/linux/builds/533184940]
Tested-by: Hugh Dickins <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Pavel Machek <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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If a call to kobject_init_and_add() fails we should call kobject_put()
otherwise we leak memory.
Add call to kobject_put() in the error path of call to
kobject_init_and_add(). Please note, this has the side effect that the
release method is called if kobject_init_and_add() fails.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Tobin C. Harding <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Joseph Qi <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Junxiao Bi <[email protected]>
Cc: Changwei Ge <[email protected]>
Cc: Gang He <[email protected]>
Cc: Jun Piao <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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We have a single node system with node 0 disabled:
Scanning NUMA topology in Northbridge 24
Number of physical nodes 2
Skipping disabled node 0
Node 1 MemBase 0000000000000000 Limit 00000000fbff0000
NODE_DATA(1) allocated [mem 0xfbfda000-0xfbfeffff]
This causes crashes in memcg when system boots:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
#PF error: [normal kernel read fault]
...
RIP: 0010:list_lru_add+0x94/0x170
...
Call Trace:
d_lru_add+0x44/0x50
dput.part.34+0xfc/0x110
__fput+0x108/0x230
task_work_run+0x9f/0xc0
exit_to_usermode_loop+0xf5/0x100
It is reproducible as far as 4.12. I did not try older kernels. You have
to have a new enough systemd, e.g. 241 (the reason is unknown -- was not
investigated). Cannot be reproduced with systemd 234.
The system crashes because the size of lru array is never updated in
memcg_update_all_list_lrus and the reads are past the zero-sized array,
causing dereferences of random memory.
The root cause are list_lru_memcg_aware checks in the list_lru code. The
test in list_lru_memcg_aware is broken: it assumes node 0 is always
present, but it is not true on some systems as can be seen above.
So fix this by avoiding checks on node 0. Remember the memcg-awareness by
a bool flag in struct list_lru.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 60d3fd32a7a9 ("list_lru: introduce per-memcg lists")
Signed-off-by: Jiri Slaby <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Suggested-by: Vladimir Davydov <[email protected]>
Acked-by: Vladimir Davydov <[email protected]>
Reviewed-by: Shakeel Butt <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Raghavendra K T <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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memory.stat and other files already consider subtrees in their output, and
we should too in order to not present an inconsistent interface.
The current situation is fairly confusing, because people interacting with
cgroups expect hierarchical behaviour in the vein of memory.stat,
cgroup.events, and other files. For example, this causes confusion when
debugging reclaim events under low, as currently these always read "0" at
non-leaf memcg nodes, which frequently causes people to misdiagnose breach
behaviour. The same confusion applies to other counters in this file when
debugging issues.
Aggregation is done at write time instead of at read-time since these
counters aren't hot (unlike memory.stat which is per-page, so it does it
at read time), and it makes sense to bundle this with the file
notifications.
After this patch, events are propagated up the hierarchy:
[root@ktst ~]# cat /sys/fs/cgroup/system.slice/memory.events
low 0
high 0
max 0
oom 0
oom_kill 0
[root@ktst ~]# systemd-run -p MemoryMax=1 true
Running as unit: run-r251162a189fb4562b9dabfdc9b0422f5.service
[root@ktst ~]# cat /sys/fs/cgroup/system.slice/memory.events
low 0
high 0
max 7
oom 1
oom_kill 1
As this is a change in behaviour, this can be reverted to the old
behaviour by mounting with the `memory_localevents' flag set. However, we
use the new behaviour by default as there's a lack of evidence that there
are any current users of memory.events that would find this change
undesirable.
akpm: this is a behaviour change, so Cc:stable. THis is so that
forthcoming distros which use cgroup v2 are more likely to pick up the
revised behaviour.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Chris Down <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Reviewed-by: Shakeel Butt <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Roman Gushchin <[email protected]>
Cc: Dennis Zhou <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The commit a3b609ef9f8b ("proc read mm's {arg,env}_{start,end} with mmap
semaphore taken.") added synchronization of reading argument/environment
boundaries under mmap_sem. Later commit 88aa7cc688d4 ("mm: introduce
arg_lock to protect arg_start|end and env_start|end in mm_struct") avoided
the coarse use of mmap_sem in similar situations. But there still
remained two places that (mis)use mmap_sem.
get_cmdline should also use arg_lock instead of mmap_sem when it reads the
boundaries.
The second place that should use arg_lock is in prctl_set_mm. By
protecting the boundaries fields with the arg_lock, we can downgrade
mmap_sem to reader lock (analogous to what we already do in
prctl_set_mm_map).
[[email protected]: coding style fixes]
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 88aa7cc688d4 ("mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct")
Signed-off-by: Michal Koutný <[email protected]>
Signed-off-by: Laurent Dufour <[email protected]>
Co-developed-by: Laurent Dufour <[email protected]>
Reviewed-by: Cyrill Gorcunov <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Yang Shi <[email protected]>
Cc: Mateusz Guzik <[email protected]>
Cc: Kirill Tkhai <[email protected]>
Cc: Konstantin Khlebnikov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Despite comment of validate_prctl_map claims there are no capability
checks, it is not completely true since commit 4d28df6152aa ("prctl: Allow
local CAP_SYS_ADMIN changing exe_file"). Extract the check out of the
function and make the function perform purely arithmetic checks.
This patch should not change any behavior, it is mere refactoring for
following patch.
[[email protected]: coding style fixes]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Michal Koutný <[email protected]>
Reviewed-by: Kirill Tkhai <[email protected]>
Reviewed-by: Cyrill Gorcunov <[email protected]>
Cc: Kirill Tkhai <[email protected]>
Cc: Laurent Dufour <[email protected]>
Cc: Mateusz Guzik <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Yang Shi <[email protected]>
Cc: Konstantin Khlebnikov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fix build warning,
kernel/fork.c:125:5: warning: symbol 'max_threads' was not declared. Should it be static?
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Kefeng Wang <[email protected]>
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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include/linux/cpumask.h: In function 'cpumask_parse':
include/linux/cpumask.h:636:21: error: implicit declaration of function 'strchrnul'; did you mean 'strchr'? [-Werror=implicit-function-declaration]
Because arch/arm/boot/compressed/decompress.c does
#define _LINUX_STRING_H_
preventing linux/string.h from providing strchrnul. It also #includes
asm/string.h, which for arm has a declaration of strchr(), explaining why
this didn't use to fail.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 3713a4e1fdb8d ("include/linux/cpumask.h: fix double string traverse in cpumask_parse")
Suggested-by: Rasmus Villemoes <[email protected]>
Cc: Yury Norov <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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CONFIG_DEBUG_SLAB_LEAK has been removed, so remove it from defconfig.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 7878c231dae0 ("slab: remove /proc/slab_allocators")
Signed-off-by: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Reported-by: Nicholas Joll <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fix kernel-doc notation in lib/sort.c by using correct function parameter
names.
lib/sort.c:59: warning: Excess function parameter 'size' description in 'swap_words_32'
lib/sort.c:83: warning: Excess function parameter 'size' description in 'swap_words_64'
lib/sort.c:110: warning: Excess function parameter 'size' description in 'swap_bytes'
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 37d0ec34d111a ("lib/sort: make swap functions more generic")
Signed-off-by: Randy Dunlap <[email protected]>
Cc: George Spelvin <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fix Sphinx warnings in Documentation/vm/hmm.rst by using "::" notation and
inserting a blank line. Also add a missing ';'.
Documentation/vm/hmm.rst:292: WARNING: Unexpected indentation.
Documentation/vm/hmm.rst:300: WARNING: Unexpected indentation.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 023a019a9b4e ("mm/hmm: add default fault flags to avoid the need to pre-fill pfns arrays")
Signed-off-by: Randy Dunlap <[email protected]>
Reviewed-by: Jérôme Glisse <[email protected]>
Reviewed-by: Mike Rapoport <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Prior to the adoption of SPDX, it was difficult for tools to determine
the correct license due to incomplete or badly formatted license text.
The SPDX solves this issue, assuming people can correctly spell
"SPDX-License-Identifier" although this assumption is broken in some
places.
Since scripts/spdxcheck.py parses only lines that exactly matches to
the correct tag, it cannot (should not) detect this kind of error.
If the correct tag is missing, scripts/checkpatch.pl warns like this:
WARNING: Missing or malformed SPDX-License-Identifier tag in line *
So, people should notice it before the patch submission, but in reality
broken tags sometimes slip in. The checkpatch warning is not useful for
checking the committed files globally since large number of files still
have no SPDX tag.
Also, I am not sure about the legal effect when the SPDX tag is broken.
Anyway, these typos are absolutely worth fixing. It is pretty easy to
find suspicious lines by grep.
$ git grep --not -e SPDX-License-Identifier --and -e SPDX- -- \
:^LICENSES :^scripts/spdxcheck.py :^*/license-rules.rst
arch/arm/kernel/bugs.c:// SPDX-Identifier: GPL-2.0
drivers/phy/st/phy-stm32-usbphyc.c:// SPDX-Licence-Identifier: GPL-2.0
drivers/pinctrl/sh-pfc/pfc-r8a77980.c:// SPDX-Lincense-Identifier: GPL 2.0
lib/test_stackinit.c:// SPDX-Licenses: GPLv2
sound/soc/codecs/max9759.c:// SPDX-Licence-Identifier: GPL-2.0
Signed-off-by: Masahiro Yamada <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Causes error: drivers/crypto/ux500/cryp/Makefile:5: *** missing
separator. Stop.
Fixes: af873fcecef5 ("treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194")
Signed-off-by: Alex Xu (Hello71) <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Reviewed-by: Michal Simek <[email protected]>
Acked-by: Sekhar Nori <[email protected]>
Acked-by: Vladimir Zapolskiy <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>
Acked-by: Patrice Chotard <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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Acked-by: Gregory CLEMENT <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master
KVM: s390: Fixes
- fix compilation for !CONFIG_PCI
- fix the output of KVM_CAP_MAX_VCPU_ID
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-master
PPC KVM fixes for 5.2
- Several bug fixes for the new XIVE-native code.
- Replace kvm->lock by other mutexes in several places where we hold a
vcpu mutex, to avoid lock order inversions.
- Fix a lockdep warning on guest entry for radix-mode guests.
- Fix a bug causing user-visible corruption of SPRG3 on the host.
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While troubleshooting issues where cloned request limits have been
exceeded, it is often beneficial to know the actual values that
have been breached. Print these values, assisting in ease of
identification of root cause of the breach.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Ming Lei <[email protected]>
Signed-off-by: John Pittman <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Document the meaning of the blk_mq_hw_queue_to_node() arguments.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Change one occurrence of 'performace' into 'performance'.
Cc: Max Gurtovoy <[email protected]>
Fixes: fe631457ff3e ("blk-mq: map all HWQ also in hyperthreaded system") # v4.13.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Document all bsg_setup_queue() arguments as required.
Fixes: aae3b069d5ce ("bsg: pass in desired timeout handler") # v5.0.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Add documentation for the @rqw argument and change " - " into ": ".
Fixes: 84f603246db9 ("block: add rq_qos_wait to rq_qos") # v5.0-rc1~52^2~140.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This patch avoids that the kernel-doc script complains about these
function headers when building with W=1.
Cc: Hannes Reinecke <[email protected]>
Cc: Keith Busch <[email protected]>
Fixes: ed76e329d74a ("blk-mq: abstract out queue map") # v5.0.
Fixes: e42b3867de4b ("blk-mq-rdma: pass in queue map to blk_mq_rdma_map_queues") # v5.0.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Commit e99e88a9d2b0 renamed a function argument without updating the
corresponding kernel-doc header. Update the kernel-doc header.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Fixes: e99e88a9d2b0 ("treewide: setup_timer() -> timer_setup()") # v4.15.
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This patch avoids that the kernel-doc tool warns about this function
header when building with W=1.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This patch avoids that the kernel-doc tool warns about this function
header when building with W=1.
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Pull nfsd fix from Bruce Fields:
"This reverts a minor fix which could cause us to treat conflicting NLM
locks as nonconflicting.
We have proper fix queued up for 5.3. In the meantime, a quick revert
seems best for 5.2 and stable"
* tag 'nfsd-5.2-1' of git://linux-nfs.org/~bfields/linux:
Revert "lockd: Show pid of lockd for remote locks"
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Pull cifs fixes from Steve French:
"Four small smb3 fixes, one for stable"
* tag 'v5.2-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: cifs_read_allocate_pages: don't iterate through whole page array on ENOMEM
dfs_cache: fix a wrong use of kfree in flush_cache_ent()
fs/cifs/smb2pdu.c: fix buffer free in SMB2_ioctl_free
cifs: fix memory leak of pneg_inbuf on -EOPNOTSUPP ioctl case
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It turns out that various triggers use led_blink_setup() from atomic
context, so we can't do a flush_work there. Flush is still needed for
slow LEDs, but we can move it to sysfs code where it is safe.
WARNING: inconsistent lock state
5.2.0-rc1 #1 Tainted: G W
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
000000006e30541b
((work_completion)(&led_cdev->set_brightness_work)){+.?.}, at:
+__flush_work+0x3b/0x38a
{SOFTIRQ-ON-W} state was registered at:
lock_acquire+0x146/0x1a1
__flush_work+0x5b/0x38a
flush_work+0xb/0xd
led_blink_setup+0x1e/0xd3
led_blink_set+0x3f/0x44
tpt_trig_timer+0xdb/0x106
ieee80211_mod_tpt_led_trig+0xed/0x112
Fixes: 0db37915d912 ("leds: avoid races with workqueue")
Signed-off-by: Pavel Machek <[email protected]>
Tested-by: Hugh Dickins <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity subsystem fixes from Mimi Zohar:
"Four bug fixes, none 5.2-specific, all marked for stable.
The first two are related to the architecture specific IMA policy
support. The other two patches, one is related to EVM signatures,
based on additional hash algorithms, and the other is related to
displaying the IMA policy"
* 'next-fixes-for-5.2-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: show rules with IMA_INMASK correctly
evm: check hash algorithm passed to init_desc()
ima: fix wrong signed policy requirement when not appraising
x86/ima: Check EFI_RUNTIME_SERVICES before using
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"One minor cleanup patch and a fix for handling of live migration when
running as Xen guest"
* tag 'for-linus-5.2b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: Avoid deadlock during suspend due to open transactions
xen/pvcalls: Remove set but not used variable
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Farewell Martin Schwidefsky: add Martin to CREDITS and remove him
from MAINTAINERS
- Vasily Gorbik and Christian Borntraeger join as maintainers for s390
- Fix locking bug in ctr(aes) and ctr(des) s390 specific ciphers
- A rather large patch which fixes gcm-aes-s390 scatter gather handling
- Fix zcrypt wrong dispatching for control domain CPRBs
- Fix assignment of bus resources in PCI code
- Fix structure definition for set PCI function
- Fix one compile error and one compile warning seen when
CONFIG_OPTIMIZE_INLINING is enabled
* tag 's390-5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
MAINTAINERS: add Vasily Gorbik and Christian Borntraeger for s390
MAINTAINERS: Farewell Martin Schwidefsky
s390/crypto: fix possible sleep during spinlock aquired
s390/crypto: fix gcm-aes-s390 selftest failures
s390/zcrypt: Fix wrong dispatching for control domain CPRBs
s390/pci: fix assignment of bus resources
s390/pci: fix struct definition for set PCI function
s390: mark __cpacf_check_opcode() and cpacf_query_func() as __always_inline
s390: add unreachable() to dump_fault_info() to fix -Wmaybe-uninitialized
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix three issues in the system-wide suspend and hibernation area
related to PCI device PM handling by suspend-to-idle, device wakeup
optimizations and arbitrary differences between suspend and
hiberantion.
Specifics:
- Modify the PCI bus type's PM code to avoid putting devices left by
their drivers in D0 on purpose during suspend to idle into
low-power states as doing that may confuse the system resume
callbacks of the drivers in question (Rafael Wysocki).
- Avoid checking ACPI wakeup configuration during system-wide suspend
for suspended devices that do not use ACPI-based wakeup to allow
them to stay in suspend more often (Rafael Wysocki).
- The last phase of hibernation is analogous to system-wide suspend
also because on platforms with ACPI it passes control to the
platform firmware to complete the transision, so make it indicate
that by calling pm_set_suspend_via_firmware() to allow the drivers
that care about this to do the right thing (Rafael Wysocki)"
* tag 'pm-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI: PM: Avoid possible suspend-to-idle issue
ACPI: PM: Call pm_set_suspend_via_firmware() during hibernation
ACPI/PCI: PM: Add missing wakeup.flags.valid checks
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc-plugins fix from Kees Cook:
"Handle unusual header environment, fixing a redefined macro error
under a Darwin build host"
* tag 'gcc-plugins-v5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
gcc-plugins: Fix build failures under Darwin host
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull yet more SPDX updates from Greg KH:
"Here is another set of reviewed patches that adds SPDX tags to
different kernel files, based on a set of rules that are being used to
parse the comments to try to determine that the license of the file is
"GPL-2.0-or-later" or "GPL-2.0-only". Only the "obvious" versions of
these matches are included here, a number of "non-obvious" variants of
text have been found but those have been postponed for later review
and analysis.
There is also a patch in here to add the proper SPDX header to a bunch
of Kbuild files that we have missed in the past due to new files being
added and forgetting that Kbuild uses two different file names for
Makefiles. This issue was reported by the Kbuild maintainer.
These patches have been out for review on the linux-spdx@vger mailing
list, and while they were created by automatic tools, they were
hand-verified by a bunch of different people, all whom names are on
the patches are reviewers"
* tag 'spdx-5.2-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (82 commits)
treewide: Add SPDX license identifier - Kbuild
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 225
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 224
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 223
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 222
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 221
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 220
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 218
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 217
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 216
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 215
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 214
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 213
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 211
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 210
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 207
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 203
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver fixes from Greg KH:
"Here are some Staging and IIO driver fixes to resolve some reported
problems for 5.2-rc3.
Nothing major here, just some tiny changes, full details are in the
shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'staging-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: kpc2000: Add dependency on MFD_CORE to kconfig symbol 'KPC2000'
staging: wilc1000: Fix some double unlock bugs in wilc_wlan_cleanup()
staging: vc04_services: prevent integer overflow in create_pagelist()
Staging: vc04_services: Fix a couple error codes
staging: wlan-ng: fix adapter initialization failure
staging: kpc2000: double unlock in error handling in kpc_dma_transfer()
staging: kpc2000: Fix build error without CONFIG_UIO
staging: kpc2000: fix build error on xtensa
staging: erofs: set sb->s_root to NULL when failing from __getname()
iio: adc: ti-ads8688: fix timestamp is not updated in buffer
iio: dac: ds4422/ds4424 fix chip verification
iio: imu: mpu6050: Fix FIFO layout for ICM20602
iio: adc: ads124: avoid buffer overflow
iio: adc: modify NPCM ADC read reference voltage
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small serial and TTY driver fixes for 5.2-rc3.
Nothing major, just a number of fixes for reported issues. The fbcon
core fix also resolves an issue, and was acked by the relevant
maintainer to go through this tree.
All of these have been in linux-next with no reported issues"
* tag 'tty-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vt/fbcon: deinitialize resources in visual_init() after failed memory allocation
tty: max310x: Fix external crystal register setup
serial: sh-sci: disable DMA for uart_console
serial: imx: remove log spamming error message
tty: serial: msm_serial: Fix XON/XOFF
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some tiny USB fixes for a number of reported issues for
5.2-rc3.
Nothing huge here, just a small collection of xhci and other driver
bugs that syzbot has been finding in some drivers. There is also a
usbip fix and a fix for the usbip fix in here :)
All have been in linux-next with no reported issues"
* tag 'usb-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usbip: usbip_host: fix stub_dev lock context imbalance regression
media: smsusb: better handle optional alignment
xhci: Use %zu for printing size_t type
xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()
xhci: Fix immediate data transfer if buffer is already DMA mapped
usb: xhci: avoid null pointer deref when bos field is NULL
usb: xhci: Fix a potential null pointer dereference in xhci_debugfs_create_endpoint()
xhci: update bounce buffer with correct sg num
media: usb: siano: Fix false-positive "uninitialized variable" warning
USB: rio500: update Documentation
USB: rio500: simplify locking
USB: rio500: fix memory leak in close after disconnect
USB: rio500: refuse more than one device at a time
usbip: usbip_host: fix BUG: sleeping function called from invalid context
USB: sisusbvga: fix oops in error path of sisusb_probe
USB: Add LPM quirk for Surface Dock GigE adapter
media: usb: siano: Fix general protection fault in smsusb
usb: mtu3: fix up undefined reference to usb_debug_root
USB: Fix slab-out-of-bounds write in usb_get_bos_descriptor
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Pull drm fixes from Dave Airlie:
"Nothing too crazy, pretty quiet, maybe too quiet.
amdgpu:
- a fixed version of the raven firmware fix we previously reverted
- stolen memory fix
imx:
- regression fix
qxl:
- remove a bad warning
etnaviv:
- VM locking fix"
* tag 'drm-fixes-2019-05-31' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: reserve stollen vram for raven series
drm/etnaviv: lock MMU while dumping core
drm/imx: ipuv3-plane: fix atomic update status query for non-plus i.MX6Q
drm/qxl: drop WARN_ONCE()
drm/amd/display: Don't load DMCU for Raven 1 (v2)
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This reverts most of commit b8eee0e90f97 ("lockd: Show pid of lockd for
remote locks"), which caused remote locks to not be differentiated between
remote processes for NLM.
We retain the fixup for setting the client's fl_pid to a negative value.
Fixes: b8eee0e90f97 ("lockd: Show pid of lockd for remote locks")
Cc: [email protected]
Signed-off-by: Benjamin Coddington <[email protected]>
Reviewed-by: XueWei Zhang <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
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Avoid translating "/" and "//" directory entry names to the special
"." and ".." names by instead converting the first character to "^".
Acked-by: Al Viro <[email protected]>
Signed-off-by: Russell King <[email protected]>
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append_filetype_suffix() is now only used in adfs_object_fixup(), so
move it there.
Acked-by: Al Viro <[email protected]>
Signed-off-by: Russell King <[email protected]>
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