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1,310,736 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Ma Wupeng
|
bc8f5921cd |
ipc: fix memleak if msg_init_ns failed in create_ipc_ns
Percpu memory allocation may failed during create_ipc_ns however this
fail is not handled properly since ipc sysctls and mq sysctls is not
released properly. Fix this by release these two resource when failure.
Here is the kmemleak stack when percpu failed:
unreferenced object 0xffff88819de2a600 (size 512):
comm "shmem_2nstest", pid 120711, jiffies 4300542254
hex dump (first 32 bytes):
60 aa 9d 84 ff ff ff ff fc 18 48 b2 84 88 ff ff `.........H.....
04 00 00 00 a4 01 00 00 20 e4 56 81 ff ff ff ff ........ .V.....
backtrace (crc be7cba35):
[<ffffffff81b43f83>] __kmalloc_node_track_caller_noprof+0x333/0x420
[<ffffffff81a52e56>] kmemdup_noprof+0x26/0x50
[<ffffffff821b2f37>] setup_mq_sysctls+0x57/0x1d0
[<ffffffff821b29cc>] copy_ipcs+0x29c/0x3b0
[<ffffffff815d6a10>] create_new_namespaces+0x1d0/0x920
[<ffffffff815d7449>] copy_namespaces+0x2e9/0x3e0
[<ffffffff815458f3>] copy_process+0x29f3/0x7ff0
[<ffffffff8154b080>] kernel_clone+0xc0/0x650
[<ffffffff8154b6b1>] __do_sys_clone+0xa1/0xe0
[<ffffffff843df8ff>] do_syscall_64+0xbf/0x1c0
[<ffffffff846000b0>] entry_SYSCALL_64_after_hwframe+0x4b/0x53
Link: https://lkml.kernel.org/r/20241023093129.3074301-1-mawupeng1@huawei.com
Fixes:
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WangYuli
|
f3adb88e6c |
scripts/spelling.txt: add typo "exprienced" and "rewritting"
Add typo "exprienced" and "rewritting". They were found and fixed in follow patches: Link: https://lore.kernel.org/all/90D42CB167CA0842+20241018021910.31359-1-wangyuli@uniontech.com/ Link: https://lore.kernel.org/all/45F06B5D4CA9F444+20241018023340.47617-1-wangyuli@uniontech.com/ Link: https://lkml.kernel.org/r/C1FE2459CF066CA5+20241018024719.58325-1-wangyuli@uniontech.com Link: https://lore.kernel.org/all/20241017162846.GA51712@kernel.org/ Signed-off-by: WangYuli <wangyuli@uniontech.com> Suggested-by: Simon Horman <horms@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Cc: WangYuli <wangyuli@uniontech.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Uros Bizjak
|
ad8f63f935 |
perf/hw_breakpoint: use ERR_PTR_PCPU(), IS_ERR_PCPU() and PTR_ERR_PCPU() macros
Use ERR_PTR_PCPU() when returning error pointer in the percpu address space. Use IS_ERR_PCPU() and PTR_ERR_PCPU() when returning the error pointer from the percpu address space. These macros add intermediate cast to unsigned long when switching named address spaces. The patch will avoid future build errors due to pointer address space mismatch with enabled strict percpu address space checks. Link: https://lkml.kernel.org/r/20240924090813.1353586-1-ubizjak@gmail.com Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: "Liang, Kan" <kan.liang@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Breno Leitao
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1bb5d66097 |
scripts/decode_stacktrace.sh: remove trailing space
decode_stacktrace.sh adds a trailing space at the end of the decoded stack if the module is not set (in most of the lines), which makes the some lines of the stack having trailing space and some others not. Do not add an extra space at the end of the line if module is not set, adding consistency in output formatting. Link: https://lkml.kernel.org/r/20241014100213.1873611-1-leitao@debian.org Signed-off-by: Breno Leitao <leitao@debian.org> Reviewed-by: Elliot Berman <quic_eberman@quicinc.com> Reviewed-by: Carlos Llamas <cmllamas@google.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Cc: Bjorn Andersson <quic_bjorande@quicinc.com> Cc: Luca Ceresoli <luca.ceresoli@bootlin.com> Cc: Xiong Nandi <xndchn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Kuan-Wei Chiu
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bf9850f6ea |
lib/Makefile: make union-find compilation conditional on CONFIG_CPUSETS
Currently, cpuset is the only user of the union-find implementation. Compiling union-find in all configurations unnecessarily increases the code size when building the kernel without cgroup support. Modify the build system to compile union-find only when CONFIG_CPUSETS is enabled. Link: https://lore.kernel.org/lkml/1ccd6411-5002-4574-bb8e-3e64bba6a757@redhat.com/ Link: https://lkml.kernel.org/r/20241011141214.87096-1-visitorckw@gmail.com Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> Suggested-by: Waiman Long <llong@redhat.com> Acked-by: Waiman Long <longman@redhat.com> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Ching-Chun (Jim) Huang <jserv@ccns.ncku.edu.tw> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Koutný <mkoutny@suse.com> Cc: Xavier <xavier_qy@163.com> Cc: Zefan Li <lizefan.x@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Shuah Khan
|
8801c35c36 |
tools: fix -Wunused-result in linux.c
Fix the following -Wunused-result warnings on posix_memalign() return values and add error handling. ./shared/linux.c💯25: warning: ignoring return value of `posix_memalign' declared with attribute `warn_unused_result' [-Wunused-result] 100 | posix_memalign(&p, cachep->align, cachep->size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../shared/linux.c: In function `kmem_cache_alloc_bulk': ../shared/linux.c:198:33: warning: ignoring return value of `posix_memalign' declared with attribute `warn_unused_result' [-Wunused-result] 198 | posix_memalign(&p[i], cachep->align, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 199 | cachep->size); | ~~~~~~~~~~~~~ Link: https://lkml.kernel.org/r/20241011225155.27607-1-skhan@linuxfoundation.org Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Vinicius Peixoto
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5d04270708 |
lib/crc16_kunit.c: add KUnit tests for crc16
Add Kunit tests for the kernel's implementation of the standard CRC-16 algorithm (<linux/crc16.h>). The test data consists of 100 randomly-generated test cases, validated against a naive CRC-16 implementation. This test follows roughly the same logic as lib/crc32test.c, but without the performance measurements. Link: https://lkml.kernel.org/r/20241012-crc16-kunit-v3-1-0ca75cb58ca9@lkcamp.dev Signed-off-by: Vinicius Peixoto <vpeixoto@lkcamp.dev> Co-developed-by: Enzo Bertoloti <ebertoloti@lkcamp.dev> Signed-off-by: Enzo Bertoloti <ebertoloti@lkcamp.dev> Co-developed-by: Fabricio Gasperin <fgasperin@lkcamp.dev> Signed-off-by: Fabricio Gasperin <fgasperin@lkcamp.dev> Suggested-by: David Laight <David.Laight@ACULAB.COM> Cc: Brendan Higgins <brendan.higgins@linux.dev> Cc: David Gow <davidgow@google.com> Cc: Rae Moar <rmoar@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Sui Jingfeng
|
a9d38bcd73 |
scatterlist: fix a typo
Replace the 'One' with 'On'.
Link: https://lkml.kernel.org/r/20241012100817.323007-1-sui.jingfeng@linux.dev
Fixes:
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Thomas Weißschuh
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f2fa0fd4e7 |
reboot: move reboot_notifier_list to kernel/reboot.c
All the functions related to the reboot notifier list are in kernel/reboot.c. Move the list itself, too. As there are no direct users anymore, make the declaration static. Link: https://lkml.kernel.org/r/20241012-reboot_notifier_list-v1-1-6093bb9455ce@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Ilpo Järvinen
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834b251b1d |
resource: correct reallocate_resource() documentation
reallocate_resource() documentation claims constraint is about "the size and alignment" but the size is provided in another parameter. Instead of size, constraint has the allowed memory range (min, max) so change the wording to reflect that. Link: https://lkml.kernel.org/r/20241009125751.8090-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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I Hsin Cheng
|
5a3c9366cb |
list: test: check the size of every lists for list_cut_position*()
Check the total number of elements in both resultant lists are correct within list_cut_position*(). Previously, only the first list's size was checked. so additional elements in the second list would not have been caught. Link: https://lkml.kernel.org/r/20241008065253.26673-1-richard120310@gmail.com Signed-off-by: I Hsin Cheng <richard120310@gmail.com> Cc: David Gow <davidgow@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Kuan-Wei Chiu
|
b42166427b |
lib/Kconfig.debug: move int_pow test option to runtime testing section
When executing 'make menuconfig' with KUNIT enabled, the int_pow test
option appears on the first page of the main menu instead of under the
runtime testing section. Relocate the int_pow test configuration to the
appropriate runtime testing submenu, ensuring a more organized and logical
structure in the menu configuration.
Link: https://lkml.kernel.org/r/20241005222221.2154393-1-visitorckw@gmail.com
Fixes:
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Yafang Shao
|
3240aadacc |
drm: replace strcpy() with strscpy()
To prevent errors from occurring when the src string is longer than the dst string in strcpy(), we should use strscpy() instead. This approach also facilitates future extensions to the task comm. Link: https://lkml.kernel.org/r/20241007144911.27693-8-laoar.shao@gmail.com Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Suggested-by: Justin Stitt <justinstitt@google.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Justin Stitt <justinstitt@google.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: David Airlie <airlied@gmail.com> Cc: Alejandro Colomar <alx@kernel.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Eric Paris <eparis@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: Jan Kara <jack@suse.cz> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matus Jokay <matus.jokay@stuba.sk> Cc: Ondrej Mosnacek <omosnace@redhat.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Quentin Monnet <qmo@kernel.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Simon Horman <horms@kernel.org> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Yafang Shao
|
43731516fa |
mm/util: deduplicate code in {kstrdup,kstrndup,kmemdup_nul}
These three functions follow the same pattern. To deduplicate the code, let's introduce a common helper __kmemdup_nul(). Link: https://lkml.kernel.org/r/20241007144911.27693-7-laoar.shao@gmail.com Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Cc: Simon Horman <horms@kernel.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Alejandro Colomar <alx@kernel.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@gmail.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Eric Paris <eparis@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: Jan Kara <jack@suse.cz> Cc: Justin Stitt <justinstitt@google.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matus Jokay <matus.jokay@stuba.sk> Cc: Maxime Ripard <mripard@kernel.org> Cc: Ondrej Mosnacek <omosnace@redhat.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Quentin Monnet <qmo@kernel.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Yafang Shao
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44ff630170 |
mm/util: fix possible race condition in kstrdup()
In kstrdup(), it is critical to ensure that the dest string is always
NUL-terminated. However, potential race condition can occur between a
writer and a reader.
Consider the following scenario involving task->comm:
reader writer
len = strlen(s) + 1;
strlcpy(tsk->comm, buf, sizeof(tsk->comm));
memcpy(buf, s, len);
In this case, there is a race condition between the reader and the writer.
The reader calculates the length of the string `s` based on the old value
of task->comm. However, during the memcpy(), the string `s` might be
updated by the writer to a new value of task->comm.
If the new task->comm is larger than the old one, the `buf` might not be
NUL-terminated. This can lead to undefined behavior and potential
security vulnerabilities.
Let's fix it by explicitly adding a NUL terminator after the memcpy. It
is worth noting that memcpy() is not atomic, so the new string can be
shorter when memcpy() already copied past the new NUL.
Link: https://lkml.kernel.org/r/20241007144911.27693-6-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Cc: Alejandro Colomar <alx@kernel.org>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Eric Paris <eparis@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matus Jokay <matus.jokay@stuba.sk>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Ondrej Mosnacek <omosnace@redhat.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Quentin Monnet <qmo@kernel.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Simon Horman <horms@kernel.org>
Cc: Stephen Smalley <stephen.smalley.work@gmail.com>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Yafang Shao
|
d967757d28 |
bpftool: ensure task comm is always NUL-terminated
Let's explicitly ensure the destination string is NUL-terminated. This way, it won't be affected by changes to the source string. Link: https://lkml.kernel.org/r/20241007144911.27693-5-laoar.shao@gmail.com Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Reviewed-by: Quentin Monnet <qmo@kernel.org> Cc: Alejandro Colomar <alx@kernel.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@gmail.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Eric Paris <eparis@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: Jan Kara <jack@suse.cz> Cc: Justin Stitt <justinstitt@google.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matus Jokay <matus.jokay@stuba.sk> Cc: Maxime Ripard <mripard@kernel.org> Cc: Ondrej Mosnacek <omosnace@redhat.com> Cc: Paul Moore <paul@paul-moore.com> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Simon Horman <horms@kernel.org> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Yafang Shao
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d4ee4ac395 |
security: replace memcpy() with get_task_comm()
Quoted from Linus [0]: selinux never wanted a lock, and never wanted any kind of *consistent* result, it just wanted a *stable* result. Using get_task_comm() to read the task comm ensures that the name is always NUL-terminated, regardless of the source string. This approach also facilitates future extensions to the task comm. Link: https://lkml.kernel.org/r/20241007144911.27693-4-laoar.shao@gmail.com Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Link: https://lore.kernel.org/all/CAHk-=wivfrF0_zvf+oj6==Sh=-npJooP8chLPEfaFV0oNYTTBA@mail.gmail.com/ [0] Acked-by: Paul Moore <paul@paul-moore.com> Cc: James Morris <jmorris@namei.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Ondrej Mosnacek <omosnace@redhat.com> Cc: Alejandro Colomar <alx@kernel.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@gmail.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Eric Paris <eparis@redhat.com> Cc: Jan Kara <jack@suse.cz> Cc: Justin Stitt <justinstitt@google.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matus Jokay <matus.jokay@stuba.sk> Cc: Maxime Ripard <mripard@kernel.org> Cc: Quentin Monnet <qmo@kernel.org> Cc: Simon Horman <horms@kernel.org> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Yafang Shao
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286d7a54c8 |
auditsc: replace memcpy() with strscpy()
Using strscpy() to read the task comm ensures that the name is always NUL-terminated, regardless of the source string. This approach also facilitates future extensions to the task comm. Link: https://lkml.kernel.org/r/20241007144911.27693-3-laoar.shao@gmail.com Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Acked-by: Paul Moore <paul@paul-moore.com> Reviewed-by: Justin Stitt <justinstitt@google.com> Cc: Eric Paris <eparis@redhat.com> Cc: Alejandro Colomar <alx@kernel.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@gmail.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: James Morris <jmorris@namei.org> Cc: Jan Kara <jack@suse.cz> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matus Jokay <matus.jokay@stuba.sk> Cc: Maxime Ripard <mripard@kernel.org> Cc: Ondrej Mosnacek <omosnace@redhat.com> Cc: Quentin Monnet <qmo@kernel.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Simon Horman <horms@kernel.org> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Yafang Shao
|
4cc0473d77 |
get rid of __get_task_comm()
Patch series "Improve the copy of task comm", v8.
Using {memcpy,strncpy,strcpy,kstrdup} to copy the task comm relies on the
length of task comm. Changes in the task comm could result in a
destination string that is overflow. Therefore, we should explicitly
ensure the destination string is always NUL-terminated, regardless of the
task comm. This approach will facilitate future extensions to the task
comm.
As suggested by Linus [0], we can identify all relevant code with the
following git grep command:
git grep 'memcpy.*->comm\>'
git grep 'kstrdup.*->comm\>'
git grep 'strncpy.*->comm\>'
git grep 'strcpy.*->comm\>'
PATCH #2~#4: memcpy
PATCH #5~#6: kstrdup
PATCH #7: strcpy
Please note that strncpy() is not included in this series as it is being
tracked by another effort. [1]
This patch (of 7):
We want to eliminate the use of __get_task_comm() for the following
reasons:
- The task_lock() is unnecessary
Quoted from Linus [0]:
: Since user space can randomly change their names anyway, using locking
: was always wrong for readers (for writers it probably does make sense
: to have some lock - although practically speaking nobody cares there
: either, but at least for a writer some kind of race could have
: long-term mixed results
Link: https://lkml.kernel.org/r/20241007144911.27693-1-laoar.shao@gmail.com
Link: https://lkml.kernel.org/r/20241007144911.27693-2-laoar.shao@gmail.com
Link: https://lore.kernel.org/all/CAHk-=wivfrF0_zvf+oj6==Sh=-npJooP8chLPEfaFV0oNYTTBA@mail.gmail.com [0]
Link: https://lore.kernel.org/all/CAHk-=whWtUC-AjmGJveAETKOMeMFSTwKwu99v7+b6AyHMmaDFA@mail.gmail.com/
Link: https://lore.kernel.org/all/CAHk-=wjAmmHUg6vho1KjzQi2=psR30+CogFd4aXrThr2gsiS4g@mail.gmail.com/ [0]
Link: https://github.com/KSPP/linux/issues/90 [1]
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Matus Jokay <matus.jokay@stuba.sk>
Cc: Alejandro Colomar <alx@kernel.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Eric Paris <eparis@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Ondrej Mosnacek <omosnace@redhat.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Quentin Monnet <qmo@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Stephen Smalley <stephen.smalley.work@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
||
Thorsten Blum
|
f9a4d8930f |
ipc/msg: replace one-element array with flexible array member
Replace the deprecated one-element array with a modern flexible array member in the struct compat_msgbuf. There are no binary differences after this conversion. Link: https://github.com/KSPP/linux/issues/79 Link: https://lkml.kernel.org/r/20240930195824.153648-2-thorsten.blum@linux.dev Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Cc: "Sun, Jiebin" <jiebin.sun@intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Yu Jiaoliang
|
9357bf5e66 |
scripts/spelling.txt: add more spellings corrections
Add several common typo patterns to the scripts/spelling.txt file to ensure checkpatch.pl can detect and prevent these typos in the future. This update helps improve code quality by preventing recurring typos. Link: https://lkml.kernel.org/r/20240926101617.3988613-1-yujiaoliang@vivo.com Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com> Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Signed-off-by: Yan Zhen <yanzhen@vivo.com> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Andy Shevchenko
|
ba1eccc114 |
resource: introduce is_type_match() helper and use it
There are already a couple of places where we may replace a few lines of code by calling a helper, which increases readability while deduplicating the code. Introduce is_type_match() helper and use it. Link: https://lkml.kernel.org/r/20240925154355.1170859-3-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Andy Shevchenko
|
5c1edea773 |
resource: replace open coded resource_intersection()
Patch series "resource: A couple of cleanups". A couple of ad-hoc cleanups since there was a recent development of the code in question. No functional changes intended. This patch (of 2): __region_intersects() uses open coded resource_intersection(). Replace it with existing API which also make more clear what we are checking. Link: https://lkml.kernel.org/r/20240925154355.1170859-1-andriy.shevchenko@linux.intel.com Link: https://lkml.kernel.org/r/20240925154355.1170859-2-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Tio Zhang
|
8380101802 |
kernel/watchdog: always restore watchdog_softlockup(,hardlockup)_user_enabled after proc show
Otherwise when watchdog_enabled becomes 0, watchdog_softlockup(,hardlockup)_user_enabled will changes to 0 after proc show. Steps to reproduce: step 1: # cat /proc/sys/kernel/*watchdog 1 1 1 | name | value |----------------------------------|-------------------------- | watchdog_enabled | 1 |----------------------------------|-------------------------- | watchdog_hardlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_softlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_user_enabled | 1 |----------------------------------|-------------------------- step 2: # echo 0 > /proc/sys/kernel/watchdog | name | value |----------------------------------|-------------------------- | watchdog_enabled | 0 |----------------------------------|-------------------------- | watchdog_hardlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_softlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_user_enabled | 0 |----------------------------------|-------------------------- step 3: # cat /proc/sys/kernel/*watchdog 0 0 0 | name | value |----------------------------------|-------------------------- | watchdog_enabled | 0 |----------------------------------|-------------------------- | watchdog_hardlockup_user_enabled | 0 |----------------------------------|-------------------------- | watchdog_softlockup_user_enabled | 0 |----------------------------------|-------------------------- | watchdog_user_enabled | 0 |----------------------------------|-------------------------- step 4: # echo 1 > /proc/sys/kernel/watchdog | name | value |----------------------------------|-------------------------- | watchdog_enabled | 0 |----------------------------------|-------------------------- | watchdog_hardlockup_user_enabled | 0 |----------------------------------|-------------------------- | watchdog_softlockup_user_enabled | 0 |----------------------------------|-------------------------- | watchdog_user_enabled | 0 |----------------------------------|-------------------------- step 5: # cat /proc/sys/kernel/*watchdog 0 0 0 If we dont do "step 3", do "step 4" right after "step 2", it will be | name | value |----------------------------------|-------------------------- | watchdog_enabled | 1 |----------------------------------|-------------------------- | watchdog_hardlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_softlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_user_enabled | 1 |----------------------------------|-------------------------- then everything works correctly. So this patch fix "step 3"'s value into | name | value |----------------------------------|-------------------------- | watchdog_enabled | 0 |----------------------------------|-------------------------- | watchdog_hardlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_softlockup_user_enabled | 1 |----------------------------------|-------------------------- | watchdog_user_enabled | 0 |----------------------------------|-------------------------- And still print 0 as before. Link: https://lkml.kernel.org/r/20240906094700.GA30052@didi-ThinkCentre-M930t-N000 Signed-off-by: Tio Zhang <tiozhang@didiglobal.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Cc: Ben Segall <bsegall@google.com> Cc: Daniel Bristot de Oliveira <bristot@redhat.com> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: John Ogness <john.ogness@linutronix.de> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Krister Johansen <kjlx@templeofstupid.com> Cc: Li Zhe <lizhe.67@bytedance.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Thomas Weißschuh <linux@weissschuh.net> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Sourabh Jain
|
6efbd5ddb6 |
kexec/crash: no crash update when kexec in progress
The following errors are observed when kexec is done with SMT=off on
powerpc.
[ 358.458385] Removing IBM Power 842 compression device
[ 374.795734] kexec_core: Starting new kernel
[ 374.795748] kexec: Waking offline cpu 1.
[ 374.875695] crash hp: kexec_trylock() failed, elfcorehdr may be inaccurate
[ 374.935833] kexec: Waking offline cpu 2.
[ 375.015664] crash hp: kexec_trylock() failed, elfcorehdr may be inaccurate
snip..
[ 375.515823] kexec: Waking offline cpu 6.
[ 375.635667] crash hp: kexec_trylock() failed, elfcorehdr may be inaccurate
[ 375.695836] kexec: Waking offline cpu 7.
To avoid kexec kernel boot failure on PowerPC, all the present CPUs that
are offline are brought online during kexec. For more information, refer
to commit
|
||
Mohammed Anees
|
5c50b3b8cf |
ocfs2: fix typo in comment
Fix "Allcate" -> "Allocate" Link: https://lkml.kernel.org/r/20240917185156.10580-1-pvmohammedanees2003@gmail.com Signed-off-by: Mohammed Anees <pvmohammedanees2003@gmail.com> Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Zhang Zekun
|
cedcf08f43 |
ocfs2: remove unused declaration in header file
The definition of ocfs2_global_read_dquot() has been removed since commit
|
||
Linus Torvalds
|
59b723cd2a | Linux 6.12-rc6 v6.12-rc6 | ||
|
Linus Torvalds
|
a8cc743272 |
17 hotfixes. 9 are cc:stable. 13 are MM and 4 are non-MM.
The usual collection of singletons - please see the changelogs.
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Merge tag 'mm-hotfixes-stable-2024-11-03-10-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"17 hotfixes. 9 are cc:stable. 13 are MM and 4 are non-MM.
The usual collection of singletons - please see the changelogs"
* tag 'mm-hotfixes-stable-2024-11-03-10-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()
mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats
mm, mmap: limit THP alignment of anonymous mappings to PMD-aligned sizes
mm: shrinker: avoid memleak in alloc_shrinker_info
.mailmap: update e-mail address for Eugen Hristev
vmscan,migrate: fix page count imbalance on node stats when demoting pages
mailmap: update Jarkko's email addresses
mm: allow set/clear page_type again
nilfs2: fix potential deadlock with newly created symlinks
Squashfs: fix variable overflow in squashfs_readpage_block
kasan: remove vmalloc_percpu test
tools/mm: -Werror fixes in page-types/slabinfo
mm, swap: avoid over reclaim of full clusters
mm: fix PSWPIN counter for large folios swap-in
mm: avoid VM_BUG_ON when try to map an anon large folio to zero page.
mm/codetag: fix null pointer check logic for ref and tag
mm/gup: stop leaking pinned pages in low memory conditions
|
||
|
Linus Torvalds
|
d5aaa0bc6d |
phy fixes for 6.12
- Bunch of Qualcomm QMP driver fixes for null deref on suspend, bogus
supplies fix and reset entries fix
- BCM usb driver init array fix
- cadence array offset fix
- starfive link configuration fix
- config dependency fix for rockchip driver
- freescale reset signal fix before pll lock
- tegra driver fix for error pointer check
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Merge tag 'phy-fixes-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy fixes from Vinod Koul:
- Qualcomm QMP driver fixes for null deref on suspend, bogus supplies
fix and reset entries fix
- BCM usb driver init array fix
- cadence array offset fix
- starfive link configuration fix
- config dependency fix for rockchip driver
- freescale reset signal fix before pll lock
- tegra driver fix for error pointer check
* tag 'phy-fixes-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: tegra: xusb: Add error pointer check in xusb.c
dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Fix X1E80100 resets entries
phy: freescale: imx8m-pcie: Do CMN_RST just before PHY PLL lock check
phy: phy-rockchip-samsung-hdptx: Depend on CONFIG_COMMON_CLK
phy: ti: phy-j721e-wiz: fix usxgmii configuration
phy: starfive: jh7110-usb: Fix link configuration to controller
phy: qcom: qmp-pcie: drop bogus x1e80100 qref supplies
phy: qcom: qmp-combo: move driver data initialisation earlier
phy: qcom: qmp-usbc: fix NULL-deref on runtime suspend
phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend
phy: qcom: qmp-usb: fix NULL-deref on runtime suspend
dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: add missing x1e80100 pipediv2 clocks
phy: usb: disable COMMONONN for dual mode
phy: cadence: Sierra: Fix offset of DEQ open eye algorithm control register
phy: usb: Fix missing elements in BCM4908 USB init array
|
||
|
Linus Torvalds
|
e8529dcb12 |
dmaengine fixes for v6.12
Driver fixes for: - TI driver fix to set EOP for cyclic BCDMA transfers - sh rz-dmac driver fix for handling config with zero address -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAmcnoW0ACgkQfBQHDyUj g0c+Gw/+OE81N3SLjd5AhCvMNcXtI/z5fwmzajcwabEuySiBeYUluaTv+hm/Cn44 JJv5HieY5EbBPOx6MzR0MaiwwKnKqMIrgHH21T0+UR2hclmoyw0xOpvoDsMYMNE3 8nf451KRmG2KRHeHV7H8JqF6i7OBhkZaO4KUypTpmViB/3NX2e4LVT739Zn/+9gA ianWA3ldFUf9w2hqhEH/p8nx6v9AFNQFEuG91IzdkANMDy7GBqKo6C/PeJQrpZRX O3bhYlyATJVraQwzoWLOC2D5sSiFbcKmGl2WXd9gY6p74NCd3+oaCo4XLAhPRbGF LGUk5xwJ5mdz9vd0X3r0/iMjk/Yvkb6Wc3mjuxeAYMIC0p8Xa5BGvyPRmc5VnvaP Gpd5aWoEqlIiIM7c699OgHD0l7WnXLbS091JnBhAwiNwaX8IlhuIX18qwyJvcMHN U/DELpVRPa47kohoWxsD7egGBmx8K5nO2nPMnSPA1feit9RBR82W4NGZhk5aywBo v7IiVTTP5N07arKcYtUMNvrM3InnmH/mmJ0Xdrni2RpNPgNATB/z6qcCaRFLejel nsEwSCOusdkDAsIM7y5moZd4UecppwbrJZdOVvR6Co8ncyCE9eo3wUC9hp5coOD6 N7A/Znyy+STntOMj6sxJF6zpV2UNFzGwxIkH2sIuBUpbGcjMnck= =Ngtc -----END PGP SIGNATURE----- Merge tag 'dmaengine-fix-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine Pull dmaengine fixes from Vinod Koul: - TI driver fix to set EOP for cyclic BCDMA transfers - sh rz-dmac driver fix for handling config with zero address * tag 'dmaengine-fix-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dmaengine: ti: k3-udma: Set EOP for all TRs in cyclic BCDMA transfer dmaengine: sh: rz-dmac: handle configs where one address is zero |
||
|
Linus Torvalds
|
886b7e80ab |
Driver core revert fix for 6.12-rc6
Here is a single driver core revert for 6.12-rc6. It reverts a change that came in -rc1 that was supposed to resolve a reported problem, but caused another one, so revert it for now so that we can get this all worked out properly in 6.13. The revert has been in linux-next all week with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZydlNw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymZQACdGsXkF7ULnB66l3v6+tRov2nNwV8AnAldVvEY 14YCtM4i/bYhoQElLsOB =TFSg -----END PGP SIGNATURE----- Merge tag 'driver-core-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core revert from Greg KH: "Here is a single driver core revert for 6.12-rc6. It reverts a change that came in -rc1 that was supposed to resolve a reported problem, but caused another one, so revert it for now so that we can get this all worked out properly in 6.13. The revert has been in linux-next all week with no reported issues" * tag 'driver-core-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: Revert "driver core: Fix uevent_show() vs driver detach race" |
||
|
Linus Torvalds
|
be5bfa1378 |
USB / Thunderbolt fixes for 6.12-rc6
Here are some small USB and Thunderbolt driver fixes for 6.12-rc6 that have been sitting in my tree this week. Included in here are the following: - thunderbolt driver fixes for reported issues - USB typec driver fixes - xhci driver fixes for reported problems - dwc2 driver revert for a broken change - usb phy driver fix - usbip tool fix All of these have been in linux-next this week with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZydklw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynrOQCgvUxfi1tUPR78CDuIR1fiaNxdsDsAoI+WwyFt 5U2D3ezAl3ovyRVWlN4y =DSxw -----END PGP SIGNATURE----- Merge tag 'usb-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB / Thunderbolt fixes from Greg KH: "Here are some small USB and Thunderbolt driver fixes for 6.12-rc6 that have been sitting in my tree this week. Included in here are the following: - thunderbolt driver fixes for reported issues - USB typec driver fixes - xhci driver fixes for reported problems - dwc2 driver revert for a broken change - usb phy driver fix - usbip tool fix All of these have been in linux-next this week with no reported issues" * tag 'usb-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: typec: tcpm: restrict SNK_WAIT_CAPABILITIES_TIMEOUT transitions to non self-powered devices usb: phy: Fix API devm_usb_put_phy() can not release the phy usb: typec: use cleanup facility for 'altmodes_node' usb: typec: fix unreleased fwnode_handle in typec_port_register_altmodes() usb: typec: qcom-pmic-typec: fix missing fwnode removal in error path usb: typec: qcom-pmic-typec: use fwnode_handle_put() to release fwnodes usb: acpi: fix boot hang due to early incorrect 'tunneled' USB3 device links Revert "usb: dwc2: Skip clock gating on Broadcom SoCs" xhci: Fix Link TRB DMA in command ring stopped completion event xhci: Use pm_runtime_get to prevent RPM on unsupported systems usbip: tools: Fix detach_port() invalid port error path thunderbolt: Honor TMU requirements in the domain when setting TMU mode thunderbolt: Fix KASAN reported stack out-of-bounds read in tb_retimer_scan() |
||
Yu Zhao
|
1d4832becd |
mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()
When the MM_WALK capability is enabled, memory that is mostly accessed by
a VM appears younger than it really is, therefore this memory will be less
likely to be evicted. Therefore, the presence of a running VM can
significantly increase swap-outs for non-VM memory, regressing the
performance for the rest of the system.
Fix this regression by always calling {ptep,pmdp}_clear_young_notify()
whenever we clear the young bits on PMDs/PTEs.
[jthoughton@google.com: fix link-time error]
Link: https://lkml.kernel.org/r/20241019012940.3656292-3-jthoughton@google.com
Fixes:
|
||
|
Yu Zhao
|
ddd6d8e975 |
mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats
Patch series "mm: multi-gen LRU: Have secondary MMUs participate in
MM_WALK".
Today, the MM_WALK capability causes MGLRU to clear the young bit from
PMDs and PTEs during the page table walk before eviction, but MGLRU does
not call the clear_young() MMU notifier in this case. By not calling this
notifier, the MM walk takes less time/CPU, but it causes pages that are
accessed mostly through KVM / secondary MMUs to appear younger than they
should be.
We do call the clear_young() notifier today, but only when attempting to
evict the page, so we end up clearing young/accessed information less
frequently for secondary MMUs than for mm PTEs, and therefore they appear
younger and are less likely to be evicted. Therefore, memory that is
*not* being accessed mostly by KVM will be evicted *more* frequently,
worsening performance.
ChromeOS observed a tab-open latency regression when enabling MGLRU with a
setup that involved running a VM:
Tab-open latency histogram (ms)
Version p50 mean p95 p99 max
base 1315 1198 2347 3454 10319
mglru 2559 1311 7399 12060 43758
fix 1119 926 2470 4211 6947
This series replaces the final non-selftest patchs from this series[1],
which introduced a similar change (and a new MMU notifier) with KVM
optimizations. I'll send a separate series (to Sean and Paolo) for the
KVM optimizations.
This series also makes proactive reclaim with MGLRU possible for KVM
memory. I have verified that this functions correctly with the selftest
from [1], but given that that test is a KVM selftest, I'll send it with
the rest of the KVM optimizations later. Andrew, let me know if you'd
like to take the test now anyway.
[1]: https://lore.kernel.org/linux-mm/20240926013506.860253-18-jthoughton@google.com/
This patch (of 2):
The removed stats, MM_LEAF_OLD and MM_NONLEAF_TOTAL, are not very helpful
and become more complicated to properly compute when adding
test/clear_young() notifiers in MGLRU's mm walk.
Link: https://lkml.kernel.org/r/20241019012940.3656292-1-jthoughton@google.com
Link: https://lkml.kernel.org/r/20241019012940.3656292-2-jthoughton@google.com
Fixes:
|
||
|
Linus Torvalds
|
32cfb3c48e |
Char/Misc/IIO driver fixes for 6.12-rc6
Here are some small char/misc/iio fixes for 6.12-rc6 that resolves some
reported issues. Included in here are the following:
- small IIO driver fixes for many reported issues
- mei driver fix for a suddenly much reported issue for an "old"
issue.
- MAINTAINERS update for a developer who has moved companies and
forgot to update their old entry.
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc driver fixes from Greg KH:
"Here are some small char/misc/iio fixes for 6.12-rc6 that resolve
some reported issues. Included in here are the following:
- small IIO driver fixes for many reported issues
- mei driver fix for a suddenly much reported issue for an "old"
issue.
- MAINTAINERS update for a developer who has moved companies and
forgot to update their old entry.
All of these have been in linux-next this week with no reported
issues"
* tag 'char-misc-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: use kvmalloc for read buffer
MAINTAINERS: add netup_unidvb maintainer
iio: dac: Kconfig: Fix build error for ltc2664
iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr()
staging: iio: frequency: ad9832: fix division by zero in ad9832_calc_freqreg()
docs: iio: ad7380: fix supply for ad7380-4
iio: adc: ad7380: fix supplies for ad7380-4
iio: adc: ad7380: add missing supplies
iio: adc: ad7380: use devm_regulator_get_enable_read_voltage()
dt-bindings: iio: adc: ad7380: fix ad7380-4 reference supply
iio: light: veml6030: fix microlux value calculation
iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
iio: gts-helper: Fix memory leaks in iio_gts_build_avail_scale_table()
|
||
|
Linus Torvalds
|
295ba6501d |
Input updates for v6.12-rc5
- a fix for regression in input core introduced in 6.11 preventing re-registering input handlers - a fix for adp5588-keys driver tyring to disable interrupt 0 at suspend when devices is used without interrupt - a fix for edt-ft5x06 to stop leaking regmap structure when probing fails and to make sure it is not released too early on removal. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCZycQwgAKCRBAj56VGEWX nFgtAQDxuWplL+cwA5f3g+/Rq38faHBY5ebmsC9G/QnBZs4hTQD/dL04tU9NwvNq GYw4MYRNaDIeY8vyq21Y+dQe0uL0rAM= =xAeU -----END PGP SIGNATURE----- Merge tag 'input-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - a fix for regression in input core introduced in 6.11 preventing re-registering input handlers - a fix for adp5588-keys driver tyring to disable interrupt 0 at suspend when devices is used without interrupt - a fix for edt-ft5x06 to stop leaking regmap structure when probing fails and to make sure it is not released too early on removal. * tag 'input-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: fix regression when re-registering input handlers Input: adp5588-keys - do not try to disable interrupt 0 Input: edt-ft5x06 - fix regmap leak when probe fails |
||
|
Linus Torvalds
|
a33ab3f94f |
Kbuild fixes for v6.12 (2nd)
- Fix a memory leak in modpost - Resolve build issues when cross-compiling RPM and Debian packages - Fix another regression in Kconfig - Fix incorrect MODULE_ALIAS() output in modpost -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmcnmigVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGClEP/1H6H3VPp3s5AYE1elWXXZH4c42Q PLJQhNOBFWIaEIbaK/eCMd24vUQl/pb3b80MkeE7XILuQxzeQYIHQ7X1+iYsgDFV 96wzNP2Z7GpI1JzldWndAKSVMtfIiQHkFhZIwErJRVwDvFyH9ro0Smso5HnwfVql ycsGZE4jfTMrMwgobj4WtgOgdBQb6c04w4MCcxgX3f4Zk4YyTlDzLWQMvSWklWVd k9mW3T1JSTl5zvHlDK7kuosdXYrUtONleNbiYyxDRFUfKhPeJkiSq5ia/F83VhLL Fh7xRNIF7Em9Mzs42if/uuOW2ouq6JuePHFhdf+0rQIyxDFcTIOHojozrYkBPQEb MjO/JDLrll2ydfz4Lvreu0JoV3kPW58pM9Re29fYUPTmrtYeZWKS6TS2VfzOEEUs Z4xMn1oQuRDR7tnEB2OdPTkaYzlALtMXMyl4/MK6pQ4EiToFth7Syb4W0ILnp1SA Dn27yEqIlrWP12B5OceJNzN4QmNySodnFu+K1acSRxCIKAJyfbcF2FTuZuZx5B8P 6fPHIdYBSOUWSJGDGEqLxLPgcp9zcXLA3MNIx9Lk97m0F5AxLXA+0HCwx7t4KZH9 fHjcaGJS6LR5Y5bVcu/a7W+MVB3o8+vy6tsnciiBI70MJn0ywqHhDns3Tu+pMP5C Rgx1M1GGTOvBWnI2 =QPqn -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix a memory leak in modpost - Resolve build issues when cross-compiling RPM and Debian packages - Fix another regression in Kconfig - Fix incorrect MODULE_ALIAS() output in modpost * tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: modpost: fix input MODULE_DEVICE_TABLE() built for 64-bit on 32-bit host modpost: fix acpi MODULE_DEVICE_TABLE built with mismatched endianness kconfig: show sub-menu entries even if the prompt is hidden kbuild: deb-pkg: add pkg.linux-upstream.nokerneldbg build profile kbuild: deb-pkg: add pkg.linux-upstream.nokernelheaders build profile kbuild: rpm-pkg: disable kernel-devel package when cross-compiling sumversion: Fix a memory leak in get_src_version() |
||
|
Linus Torvalds
|
b9021de3ec |
A trivial compile test fix for x86
When CONFIG_AMD_NB is not set a COMPILE_TEST of an AMD specific driver fails due to a missing inline stub. Add the stub to cure it. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmcnUG0THHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoZJIEAC2Sqi7PQs6gK7kR/vfgi5F0uq1nHgV XyPt11mc50sQ6j/IrDAMafD4PzS0v1gu/1mN4u9riiC3qYZDt9FizUuXVGMQzh7h QuwgSSKicBX3ZncUP8BiI7fveeC0XScE4dGe++bUKplkyKJgFTMzl77pkQduRDj9 sMtq9y0tyGAE1v40aHdvQPOhOS4UvMKeyHh7oty/SaXkfE9MsuJQYX83jSDcMekA AjqfLzUC/zPFwnPsBCclm1rgiCofGpeQStmRmoH+g5zGY0MeEqmYG1e6xAAJq0Kn KEvAesjY4a7DDYvoS67QIi/hdywSrZQbgulqC+9o1kOZUkgYXZaNF8XVyYdXB/wy 10FmHNHs82Z8XbNrw7x44jdk+R2WrjOxCUbt9dmGsEU9aetAMrLs0s7I0DTEZRSZ gbp6kVjvJa9SQGuSVnqWX81AjZ4gGiyEvnf2eZXU00JZiCIiH/fuYpxpkAJ784Ui BQL2CGU2cyy0ApOAzP7iRQXRmAp7ZVhdTyrGTkTnoeW2QvvTQdA+6E2oP9twy8YQ tfxKDub/wMWu4USGYoX90IQBRP7k09GfitYvfvxmq8AKD8bYPW7axfr7oqVQB3bf vEjQwx0hnbQ16y6KDNID4YAWebwYhws53ZKb6bF0pMKo+dZjiU/FeB+4R9ivNrDI 3UeuwFL+YSL7wA== =p6Lo -----END PGP SIGNATURE----- Merge tag 'x86-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Thomas Gleixner: "A trivial compile test fix for x86: When CONFIG_AMD_NB is not set a COMPILE_TEST of an AMD specific driver fails due to a missing inline stub. Add the stub to cure it" * tag 'x86-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/amd_nb: Fix compile-testing without CONFIG_AMD_NB |
||
|
Linus Torvalds
|
b019b4a670 |
A single fix for posix CPU timers
When a thread is cloned, the posix CPU timers are not inherited. If the parent has a CPU timer armed the corresponding tick dependency in the tasks tick_dep_mask is set and copied to the new thread, which means the new thread and all decendants will prevent the system to go into full NOHZ operation. Clear the tick dependency mask in copy_process() to fix this. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmcnT/oTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoZw5D/0bqjjMYiE0ws8nuuXN1gL2T1wt6P2C 2zzEKnk6nsxnGbMfFs7XifDkqSOHNVro7F6kCkz6cH4U/VSK6R2nNONbufz4mNWk 6uDvdlZps30ekmxN+C3fB6S/4MNVOhXFFXjsQhT/PxX/CfibVP5fATLtcRLq9Lfx mV3nnxKTHPjDGz2/2QRyYpA3G1fzOj/l2QeJsVAIC8GxCo7drLVe0yn5Yt+13zhU JMjgt9ox4PKFsjaXrqvt1yKNTtb+evjYSIVXxIg60oxUkfva6XFLXJv3rjbARUNj aqBHfkZ1/d2Hwc0WexDZfvhNWeCqnfUA+db7ALSYICbNd37EVxWVZA2TwfkkWKSt RDq3xX6NJSd71h0lxDvzv7Ph3NUq23rq3LycAkjqfhiFjPQmE6axtnioXcR5mtVp q9tilB/3I4zj4BIYPfd9KowkdclRSK+B3Oo0DTyuVhKLggF0UD3poDxT4HxnBCFB uKDV8GDsoD8Ksjsl0/X/D4oorqLYAT0tG9gxMw1Kii16gijhhu5qeqTWY+qs9ieg 2J+Ku83QLQgljvy2s7y0AnMZMxaeKN5YMs6zNV+yGAoTFyft3CnBMKalPHfOCI0A fdKHi2aKm+lLrp/UIG2Yw9N1xfcrGWA2moH+9dw6zTyAei+TInP+WYndI7VR5EDf 3KvW3OoRf0sywA== =83r/ -----END PGP SIGNATURE----- Merge tag 'timers-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Thomas Gleixner: "A single fix for posix CPU timers. When a thread is cloned, the posix CPU timers are not inherited. If the parent has a CPU timer armed the corresponding tick dependency in the tasks tick_dep_mask is set and copied to the new thread, which means the new thread and all decendants will prevent the system to go into full NOHZ operation. Clear the tick dependency mask in copy_process() to fix this" * tag 'timers-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: posix-cpu-timers: Clear TICK_DEP_BIT_POSIX_TIMER on clone |
||
|
Linus Torvalds
|
33e83ffe4c |
A few scheduler fixes:
- Plug a race between pick_next_task_fair() and try_to_wake_up() where
both try to write to the same task, even though both paths hold a
runqueue lock, but obviously from different runqueues.
The problem is that the store to task::on_rq in __block_task() is
visible to try_to_wake_up() which assumes that the task is not queued.
Both sides then operate on the same task.
Cure it by rearranging __block_task() so the the store to task::on_rq is
the last operation on the task.
- Prevent a potential NULL pointer dereference in task_numa_work()
task_numa_work() iterates the VMAs of a process. A concurrent unmap of
the address space can result in a NULL pointer return from vma_next()
which is unchecked.
Add the missing NULL pointer check to prevent this.
- Operate on the correct scheduler policy in task_should_scx()
task_should_scx() returns true when a task should be handled by sched
EXT. It checks the tasks scheduling policy.
This fails when the check is done before a policy has been set.
Cure it by handing the policy into task_should_scx() so it operates
on the requested value.
- Add the missing handling of sched EXT in the delayed dequeue
mechanism. This was simply forgotten.
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Merge tag 'sched-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
- Plug a race between pick_next_task_fair() and try_to_wake_up() where
both try to write to the same task, even though both paths hold a
runqueue lock, but obviously from different runqueues.
The problem is that the store to task::on_rq in __block_task() is
visible to try_to_wake_up() which assumes that the task is not
queued. Both sides then operate on the same task.
Cure it by rearranging __block_task() so the the store to task::on_rq
is the last operation on the task.
- Prevent a potential NULL pointer dereference in task_numa_work()
task_numa_work() iterates the VMAs of a process. A concurrent unmap
of the address space can result in a NULL pointer return from
vma_next() which is unchecked.
Add the missing NULL pointer check to prevent this.
- Operate on the correct scheduler policy in task_should_scx()
task_should_scx() returns true when a task should be handled by sched
EXT. It checks the tasks scheduling policy.
This fails when the check is done before a policy has been set.
Cure it by handing the policy into task_should_scx() so it operates
on the requested value.
- Add the missing handling of sched EXT in the delayed dequeue
mechanism. This was simply forgotten.
* tag 'sched-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/ext: Fix scx vs sched_delayed
sched: Pass correct scheduling policy to __setscheduler_class
sched/numa: Fix the potential null pointer dereference in task_numa_work()
sched: Fix pick_next_task_fair() vs try_to_wake_up() race
|
||
|
Linus Torvalds
|
68f05b251b |
A single fix for perf:
perf_event_clear_cpumask() uses list_for_each_entry_rcu() without being in a RCU read side critical section, which triggers a "suspicious RCU usage" warning. It turns out that the list walk does not be RCU protected because the write side lock is held in this contxt. Change it to a regular list walk. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmcnSfoTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoVERD/0fMj1Y79mC2DoAB9XBy6d7xumHbDlN Jt4v3Hq0oADjqrGAro/XDbAm9y7gK9b5BhV2UH4ehvJj+WeesGRikV26Fdh3WuWo aTyNTh7PxsMoNRqIWWBiGbumHya9+INZKyKFAMD/WtQ3Av2emws0nnm9uv+eJzVZ zr1+NiofUDsu1I04E6zVXBra3aLqIbsWg5NOCsJAdW/9AKE+GQMA0/aw14Z2ftqH Mry4PqW4aGcTnCRNtoaHHwbP4677ZXX6pQnbUTGYZ4ywJJFKQ54YH1mUqUUP6cOo GWg20gVK4PTkJSt2nL/I+i1RVq7Ipw725e540XEAFDsDVj5jy/rJbmrmyUys6sr7 Xu6cXbjAs/kV/A9TB1wBsb+iMUnHTNbRWMS1d8bsxaUWSIe9wouDJHAIumCMr3B3 qALdXxHqppPZuccMFWHyxAClJEY8YEp9+n32BMpePASLhv3JBJHOUSn8HWr+GIgC N4slnJvLevETlO0HcQ3IUifwqfQBJ6O0Kyu0IXmrb3aCV9TzrbE1iZDgv6HbZBVP FsUaMBB/se24R/4zxSsH+u7yLFcgEJKVWVzngXzNoUvRX8xF4um6x1y89049Q0CC iGdRq3/fV/b/Tp7wvEuIxCr0GPUi28OCZTwjESmluUIS6ZSd83oDajBXix725hk+ 1YIwANTHMeBadQ== =qlTN -----END PGP SIGNATURE----- Merge tag 'perf-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fix from Thomas Gleixner: "perf_event_clear_cpumask() uses list_for_each_entry_rcu() without being in a RCU read side critical section, which triggers a 'suspicious RCU usage' warning. It turns out that the list walk does not be RCU protected because the write side lock is held in this context. Change it to a regular list walk" * tag 'perf-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix missing RCU reader protection in perf_event_clear_cpumask() |
||
|
Linus Torvalds
|
8f0b844adc |
Two fixes for the interrupt subsystem:
- Fix an off-by-one error in the failure path of msi_domain_alloc(),
which causes the cleanup loop to terminate early and leaking the first
allocated interrupt.
- Handle a corner case in GIC-V4 versus a lazily mapped Virtual
Processing Element (VPE). If the VPE has not been mapped because the
guest has not yet emitted a mapping command, then the set_affinity()
callback returns an error code, which causes the vCPU management to fail.
Return success in this case without touching the hardware. This will be
done later when the guest issues the mapping command.
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Merge tag 'irq-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
- Fix an off-by-one error in the failure path of msi_domain_alloc(),
which causes the cleanup loop to terminate early and leaking the
first allocated interrupt.
- Handle a corner case in GIC-V4 versus a lazily mapped Virtual
Processing Element (VPE). If the VPE has not been mapped because the
guest has not yet emitted a mapping command, then the set_affinity()
callback returns an error code, which causes the vCPU management to
fail.
Return success in this case without touching the hardware. This will
be done later when the guest issues the mapping command.
* tag 'irq-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v4: Correctly deal with set_affinity on lazily-mapped VPEs
genirq/msi: Fix off-by-one error in msi_domain_alloc()
|
||
Masahiro Yamada
|
77dc55a978 |
modpost: fix input MODULE_DEVICE_TABLE() built for 64-bit on 32-bit host
When building a 64-bit kernel on a 32-bit build host, incorrect
input MODULE_ALIAS() entries may be generated.
For example, when compiling a 64-bit kernel with CONFIG_INPUT_MOUSEDEV=m
on a 64-bit build machine, you will get the correct output:
$ grep MODULE_ALIAS drivers/input/mousedev.mod.c
MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*110,*r*0,*1,*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*r*8,*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*14A,*r*a*0,*1,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*145,*r*a*0,*1,*18,*1C,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*110,*r*a*0,*1,*m*l*s*f*w*");
However, building the same kernel on a 32-bit machine results in
incorrect output:
$ grep MODULE_ALIAS drivers/input/mousedev.mod.c
MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*110,*130,*r*0,*1,*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*r*8,*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*14A,*16A,*r*a*0,*1,*20,*21,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*145,*165,*r*a*0,*1,*18,*1C,*20,*21,*38,*3C,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*110,*130,*r*a*0,*1,*20,*21,*m*l*s*f*w*");
A similar issue occurs with CONFIG_INPUT_JOYDEV=m. On a 64-bit build
machine, the output is:
$ grep MODULE_ALIAS drivers/input/joydev.mod.c
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*0,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*2,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*8,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*6,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*k*120,*r*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*k*130,*r*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*k*2C0,*r*a*m*l*s*f*w*");
However, on a 32-bit machine, the output is incorrect:
$ grep MODULE_ALIAS drivers/input/joydev.mod.c
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*0,*20,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*2,*22,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*8,*28,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*6,*26,*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*k*11F,*13F,*r*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*k*11F,*13F,*r*a*m*l*s*f*w*");
MODULE_ALIAS("input:b*v*p*e*-e*1,*k*2C0,*2E0,*r*a*m*l*s*f*w*");
When building a 64-bit kernel, BITS_PER_LONG is defined as 64. However,
on a 32-bit build machine, the constant 1L is a signed 32-bit value.
Left-shifting it beyond 32 bits causes wraparound, and shifting by 31
or 63 bits makes it a negative value.
The fix in commit
|
||
|
Masahiro Yamada
|
2e766a1f5f |
modpost: fix acpi MODULE_DEVICE_TABLE built with mismatched endianness
When CONFIG_SATA_AHCI_PLATFORM=m, modpost outputs incorect acpi
MODULE_ALIAS() if the endianness of the target and the build machine
do not match.
When the endianness of the target kernel and the build machine match,
the output is correct:
$ grep 'MODULE_ALIAS("acpi' drivers/ata/ahci_platform.mod.c
MODULE_ALIAS("acpi*:APMC0D33:*");
MODULE_ALIAS("acpi*:010601:*");
However, when building a little-endian kernel on a big-endian machine
(or vice versa), the output is incorrect:
$ grep 'MODULE_ALIAS("acpi' drivers/ata/ahci_platform.mod.c
MODULE_ALIAS("acpi*:APMC0D33:*");
MODULE_ALIAS("acpi*:0601??:*");
The 'cls' and 'cls_msk' fields are 32-bit.
DEF_FIELD() must be used instead of DEF_FIELD_ADDR() to correctly handle
endianness of these 32-bit fields.
The check 'if (cls)' was unnecessary; it never became NULL, as it was
the pointer to 'symval' plus the offset to the 'cls' field.
Fixes:
|
||
Dmitry Torokhov
|
071b24b54d |
Input: fix regression when re-registering input handlers
Commit |
||
|
Linus Torvalds
|
3e5e6c9900 |
nfsd-6.12 fixes:
- Fix two async COPY bugs found during NFS bake-a-thon - Fix an svcrdma memory leak -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmcmT5wACgkQM2qzM29m f5coUg/9FQMf1IeXhyGlDtV0ELUxkHoXaZ2T6zhfXFoLmyl/DU4AWMH4YbSAqk2M NnR47sVsM08tIwE3KYQgYzLbbFF41nQUa1sckeel+nYGtpcN6IwOlU5LYYpNNFeQ vsECxV78BA6FGdjaXwQ07r4G6lpVhCCqM/RZpDrwNSyoIWVLo77KBUVCSoQb5wzG z7OBvO9M7HfVJVOHcPd+tVcZaGAF0fhW812fibZQKV2mrWdhOOe+gWVs8ro3tmm1 GocbTTQW2hlYcLCZPe1przTI9flfwon6Lk8TmIZuU5IrzcaAB+U3P140aKgl9427 v4WdLuKYlKi+xISBdRG3omyaLroNUs8IHW4KoBXAW3FinyLzNsAyoPxb02m7SEge sOJ/gbeLtb2u+ur4wAp4gDmVKfg3TGyh05Hdt96LXsbQUuWIlwEcPurl+nY93Eoq vrPLIdPOXrOD5jBIaVQkBYlaCn04mDg+VTNbG9hW1wjorVFpWKS7MwCjVloXSVIn uE++cVpQtIKp8aTYBbFVXqtVREatczl++f+Npnlm8xlcquDbaORkk4ZBOs4vQuHo pNuZcWO0rIBR6hakr44OjTLnJBIwChPBYvBVgtq1E6oAbwHvC2SVXbiJB8IcCPOx nB2jnF0/tpTs2LnrHAxdAGdU9Om6RGmahfz/uwh/8djdbCVH+Ik= =NiQh -----END PGP SIGNATURE----- Merge tag 'nfsd-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd fixes from Chuck Lever: - Fix two async COPY bugs found during NFS bake-a-thon - Fix an svcrdma memory leak * tag 'nfsd-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: rpcrdma: Always release the rpcrdma_device's xa_array NFSD: Never decrement pending_async_copies on error NFSD: Initialize struct nfsd4_copy earlier |
||
|
Linus Torvalds
|
f6a7b4ec74 |
XFS bug fies for 6.12-rc6
* fix a sysbot reported crash on filestreams * Reduce cpu time spent searching for extents in a very fragmented FS * Check for delayed allocations before setting extsize Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQQMHYkcUKcy4GgPe2RGdaER5QtfpgUCZyIMDwAKCRBGdaER5Qtf pllxAYCkk+mtDTD5xBfOVGZWO5MMFz8HqYcro5wrSCzgL8HDmW29kXTBYFviGn3R 3l/H6BEBgOk0EkI5qGOzijpzbsWyJeLzPzZtxQFPD8zFBdxSERCtbpqFDLLvLQWG M+TLhUNkPQ== =kKX4 -----END PGP SIGNATURE----- Merge tag 'xfs-6.12-fixes-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Carlos Maiolino: - fix a sysbot reported crash on filestreams - Reduce cpu time spent searching for extents in a very fragmented FS - Check for delayed allocations before setting extsize * tag 'xfs-6.12-fixes-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: streamline xfs_filestream_pick_ag xfs: fix finding a last resort AG in xfs_filestream_pick_ag xfs: Reduce unnecessary searches when searching for the best extents xfs: Check for delayed allocations before setting extsize |
||
|
Linus Torvalds
|
11066801dd |
linux_kselftest-fixes-6.12-rc6
Kselftest fixes for Linux 6.12-rc6 - fix syntax error in frequency calculation arithmetic expression in intel_pstate run.sh - add missing cpupower dependency check intel_pstate run.sh - fix idmap_mount_tree_invalid test failure due to incorrect argument - fix watchdog-test run leaving the watchdog timer enabled causing system reboot. With this fix, the test disables the watchdog timer when it gets terminated with SIGTERM, SIGKILL, and SIGQUIT in addition to SIGINT -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmclRvcACgkQCwJExA0N Qxxapg//cyUd4ZHBtXV4Wh9C4GOkB57GO7svmwW1F/vxk7GEmoGUDlHL/EobRtbf CK6oHCu98xKe1dL6rkEg4VTc+tiV4Ew7b7iwT3zs6PO1FkiuEwsjDTAugLTIyg1m 1xwkbn5XPA1GopKVf/8JxUiCnpti0L9AhFG3JKYEoZ6DxhrLXLYL2/z61emv3Wgy zRe5SQ51deOIFSxODurDidWzXoNPBjI6Q5pWhpp3Zs+jj2aPZcPn8bjoR34t6Vpa Cqg/OZxCMblkpjANc9PBTOHtqtQUpJD0vQtkHtDMQCZ4lHKcjuszlzwCKXMTwTFI hhCN4WWdPDHHS43y7YyQDp9tacjsDygdD9X625JyO2kKX2BbAPpaRcv4ij8r6MH8 hubtFXUpSMHJQVfOdvd9YjAxBAQBwLOnzdjwRSe3NHN3XNdt3S4rePGP7xXvYbly StAMbrVpf5vwIv356z8O8JcRjJcrJhEL9mIwvIG0reVwxdJq3r7531EPiLxTIs8e U+fO88DDQViKsVzxBUz44ILDwTp4NUOVi0vr5VnZAxd5ahPuq067mnhm7T+7ijXd VgvVS1Rnfc7pQ5LSf7nCGoJrJwxfTZsnwLPydtbYzgzLQg9xfHE7sUSneGG4klvn gMYfdQSYOYhaPbOcCepdoGi/4gRmGSvN8hEZ0w/qyOqmz4yAW8A= =vl/l -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-fixes-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest fixes from Shuah Khan: - fix syntax error in frequency calculation arithmetic expression in intel_pstate run.sh - add missing cpupower dependency check intel_pstate run.sh - fix idmap_mount_tree_invalid test failure due to incorrect argument - fix watchdog-test run leaving the watchdog timer enabled causing system reboot. With this fix, the test disables the watchdog timer when it gets terminated with SIGTERM, SIGKILL, and SIGQUIT in addition to SIGINT * tag 'linux_kselftest-fixes-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/watchdog-test: Fix system accidentally reset after watchdog-test selftests/intel_pstate: check if cpupower is installed selftests/intel_pstate: fix operand expected error selftests/mount_setattr: fix idmap_mount_tree_invalid failed to run |
||
|
Linus Torvalds
|
f7292c0934 |
Rust fixes for v6.12 (3nd)
Toolchain and infrastructure:
- Avoid build errors with old 'rustc's without LLVM patch version
(important since it impacts people that do not even enable Rust).
- Update LLVM version for 'HAVE_CFI_ICALL_NORMALIZE_INTEGERS' in
'depends on' condition (the fix was eventually backported rather than
land in LLVM 19).
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Merge tag 'rust-fixes-6.12-3' of https://github.com/Rust-for-Linux/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Avoid build errors with old 'rustc's without LLVM patch version
(important since it impacts people that do not even enable Rust)
- Update LLVM version for 'HAVE_CFI_ICALL_NORMALIZE_INTEGERS' in
'depends on' condition (the fix was eventually backported rather
than land in LLVM 19)"
* tag 'rust-fixes-6.12-3' of https://github.com/Rust-for-Linux/linux:
cfi: tweak llvm version for HAVE_CFI_ICALL_NORMALIZE_INTEGERS
kbuild: rust: avoid errors with old `rustc`s without LLVM patch version
|