With commit 343f4c49f2 ("kthread: Don't allocate kthread_struct for init
and umh") and commit 753550eb0c ("fork: Explicitly set PF_KTHREAD"), umh
task no longer have struct kthread and PF_KTHREAD flag.
Update the comment to describe what the current rules are to detect
is something is a kthread.
Link: https://lkml.kernel.org/r/20250620100801.23185-1-jqqlijiazi@gmail.com
Signed-off-by: Jiazi Li <jqqlijiazi@gmail.com>
Signed-off-by: mingzhu.wang <mingzhu.wang@transsion.com>
Suggested-by Eric W . Biederman <ebiederm@xmission.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
With sanitizers enabled, this function uses a lot of stack, causing a
harmless warning:
lib/test_objagg.c: In function 'test_hints_case.constprop':
lib/test_objagg.c:994:1: error: the frame size of 1440 bytes is larger than 1408 bytes [-Werror=frame-larger-than=]
Most of this is from the two 'struct world' structures. Since most of the
work in this function is duplicated for the two, split it up into separate
functions that each use one of them.
The combined stack usage is still the same here, but there is no warning
any more, and the code is still safe because of the known call chain.
Link: https://lkml.kernel.org/r/20250620111907.3395296-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Song Liu <song@kernel.org>
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Since these are now no longer defines, but in an enum.
Link: https://lkml.kernel.org/r/20250618134629.25700-2-johannes@sipsolutions.net
Fixes: 101f2bbab5 ("fs: convert mount flags to enum")
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
There is an unneeded OR in the ifdef functions that are used to allocate
and free kernel stacks based on direct map or vmap. Adding dynamic stack
support would complicate this logic even further.
Therefore, clean up by changing the order so OR is no longer needed.
Link: https://lkml.kernel.org/r/20250618-fork-fixes-v4-1-2e05a2e1f5fc@linaro.org
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Link: https://lore.kernel.org/20240311164638.2015063-3-pasha.tatashin@soleen.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The code checks newfe_bh for NULL after it has already been dereferenced
to access b_data. This NULL check is unnecessary for two reasons:
1. If ocfs2_inode_lock() succeeds (returns >= 0), newfe_bh is guaranteed
to be valid.
2. We've already dereferenced newfe_bh to access b_data, so it must be
non-NULL at this point.
Remove the redundant NULL check in the trace_ocfs2_rename_over_existing()
call to improve code clarity.
Link: https://lkml.kernel.org/r/20250617012534.3458669-1-leo.lilong@huawei.com
Signed-off-by: Long Li <leo.lilong@huawei.com>
Reviewed-by: Su Yue <glass.su@suse.com>
Reviewed-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>
The reproducer uses FAULT_INJECTION to make memory allocation fail, which
causes __filemap_get_folio() to fail, when initializing w_folios[i] in
ocfs2_grab_folios_for_write(), it only returns an error code and the value
of w_folios[i] is the error code, which causes
ocfs2_unlock_and_free_folios() to recycle the invalid w_folios[i] when
releasing folios.
Link: https://lkml.kernel.org/r/20250616013140.3602219-1-lizhi.xu@windriver.com
Reported-by: syzbot+c2ea94ae47cd7e3881ec@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=c2ea94ae47cd7e3881ec
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Reviewed-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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
There's error path that could lead to inactive uprobe:
1) uprobe_register succeeds - updates instruction to int3 and
changes ref_ctr from 0 to 1
2) uprobe_unregister fails - int3 stays in place, but ref_ctr
is changed to 0 (it's not restored to 1 in the fail path)
uprobe is leaked
3) another uprobe_register comes and re-uses the leaked uprobe
and succeds - but int3 is already in place, so ref_ctr update
is skipped and it stays 0 - uprobe CAN NOT be triggered now
4) uprobe_unregister fails because ref_ctr value is unexpected
Fix this by reverting the updated ref_ctr value back to 1 in step 2),
which is the case when uprobe_unregister fails (int3 stays in place), but
we have already updated refctr.
The new scenario will go as follows:
1) uprobe_register succeeds - updates instruction to int3 and
changes ref_ctr from 0 to 1
2) uprobe_unregister fails - int3 stays in place and ref_ctr
is reverted to 1.. uprobe is leaked
3) another uprobe_register comes and re-uses the leaked uprobe
and succeds - but int3 is already in place, so ref_ctr update
is skipped and it stays 1 - uprobe CAN be triggered now
4) uprobe_unregister succeeds
Link: https://lkml.kernel.org/r/20250514101809.2010193-1-jolsa@kernel.org
Fixes: 1cc33161a8 ("uprobes: Support SDT markers having reference count (semaphore)")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The current code that checks for misspelling verifies, in a more
complex regex, if $rawline matches [^\w]($misspellings)[^\w]
Being $rawline a byte-string, a utf-8 character in $rawline can
match the non-word-char [^\w].
E.g.:
./scripts/checkpatch.pl --git 81c2f059ab
WARNING: 'ment' may be misspelled - perhaps 'meant'?
#36: FILE: MAINTAINERS:14360:
+M: Clément Léger <clement.leger@bootlin.com>
^^^^
Use a utf-8 version of $rawline for spell checking.
Link: https://lkml.kernel.org/r/20250616-b4-checkpatch-upstream-v2-1-5600ce4a3b43@foss.st.com
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The current implementation forces a compile-time 1/0 division, which
generates an undefined instruction (ud2 on x86) rather than a proper
runtime division-by-zero exception.
Change to trigger an actual div-by-0 exception at runtime, consistent with
other division operations. Use a non-1 dividend to prevent the compiler
from optimizing the division into a comparison.
Link: https://lkml.kernel.org/r/q246p466-1453-qon9-29so-37105116009q@onlyvoer.pbz
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Cc: Biju Das <biju.das.jz@bp.renesas.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Cc: David Laight <david.laight.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The commit 482a3767e5 ("exit: reparent: call forget_original_parent()
under tasklist_lock") moved the comment from exit_notify() to
forget_original_parent(). However, the forget_original_parent() only
handles (A), while (B) is handled in kill_orphaned_pgrp(). So remove the
unrelated part.
Link: https://lkml.kernel.org/r/20250615030930.58051-1-wangfushuai@baidu.com
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: wangfushuai <wangfushuai@baidu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
It really doesn't matter if the user/admin knows what the last too big
value is. Record how many times this case is triggered would be helpful.
Solve the existing issue where relay_reset() doesn't restore the value.
Store the counter in the per-cpu buffer structure instead of the global
buffer structure. It also solves the racy condition which is likely to
happen when a few of per-cpu buffers encounter the too big data case and
then access the global field last_toobig without lock protection.
Remove the printk in relay_close() since kernel module can directly call
relay_stats() as they want.
Link: https://lkml.kernel.org/r/20250612061201.34272-6-kerneljasonxing@gmail.com
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Replace internal subbuf_start in blktrace with the default policy in
relayfs.
Remove dropped field from struct blktrace. Correspondingly, call the
common helper in relay. By incrementing full_count to keep track of how
many times we encountered a full buffer issue, user space will know how
many events were lost.
Link: https://lkml.kernel.org/r/20250612061201.34272-5-kerneljasonxing@gmail.com
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In this version, only support getting the counter for buffer full and
implement the framework of how it works.
Users can pass certain flag to fetch what field/statistics they expect to
know. Each time it only returns one result. So do not pass multiple
flags.
Link: https://lkml.kernel.org/r/20250612061201.34272-4-kerneljasonxing@gmail.com
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When using relay mechanism, we often encounter the case where new data are
lost or old unconsumed data are overwritten because of slow reader.
Add 'full' field in per-cpu buffer structure to detect if the above case
is happening. Relay has two modes: 1) non-overwrite mode, 2) overwrite
mode. So buffer being full here respectively means: 1) relayfs doesn't
intend to accept new data and then simply drop them, or 2) relayfs is
going to start over again and overwrite old unread data with new data.
Note: this counter doesn't need any explicit lock to protect from being
modified by different threads for the better performance consideration.
Writers calling __relay_write/relay_write should consider how to use the
lock and ensure it performs under the lock protection, thus it's not
necessary to add a new small lock here.
Link: https://lkml.kernel.org/r/20250612061201.34272-3-kerneljasonxing@gmail.com
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "relayfs: misc changes", v5.
The series mostly focuses on the error counters which helps every user
debug their own kernel module.
This patch (of 5):
prev_padding represents the unused space of certain subbuffer. If the
content of a call of relay_write() exceeds the limit of the remainder of
this subbuffer, it will skip storing in the rest space and record the
start point as buf->prev_padding in relay_switch_subbuf(). Since the buf
is a per-cpu big buffer, the point of prev_padding as a global value for
the whole buffer instead of a single subbuffer (whose padding info is
stored in buf->padding[]) seems meaningless from the real use cases, so we
don't bother to record it any more.
Link: https://lkml.kernel.org/r/20250612061201.34272-1-kerneljasonxing@gmail.com
Link: https://lkml.kernel.org/r/20250612061201.34272-2-kerneljasonxing@gmail.com
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Yushan Zhou <katrinzhou@tencent.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Remove an access to page->mapping and a few calls to the old page-based
APIs. This doesn't support large folios, but it's still a nice
improvement.
Link: https://lkml.kernel.org/r/20250612143903.2849289-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "squashfs: Remove page->mapping references".
We're close to being able to kill page->mapping. These two patches get us
a little bit closer.
This patch (of 2):
Eliminate a reference to page->mapping by passing the inode from the
caller.
Link: https://lkml.kernel.org/r/20250612143903.2849289-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20250612143903.2849289-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Passing the __GFP_ZERO flag to alloc_page should result in less overhead
th= an using memset()
Link: https://lkml.kernel.org/r/20250610225639.314970-3-git@elijahs.space
Signed-off-by: Elijah Wright <git@elijahs.space>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The current allocation of VMAP stack memory is using (THREADINFO_GFP &
~__GFP_ACCOUNT) which is a complicated way of saying (GFP_KERNEL |
__GFP_ZERO):
<linux/thread_info.h>:
define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_ZERO)
<linux/gfp_types.h>:
define GFP_KERNEL_ACCOUNT (GFP_KERNEL | __GFP_ACCOUNT)
This is an unfortunate side-effect of independent changes blurring the
picture:
commit 19809c2da2 changed (THREADINFO_GFP |
__GFP_HIGHMEM) to just THREADINFO_GFP since highmem became implicit.
commit 9b6f7e163c then added stack caching
and rewrote the allocation to (THREADINFO_GFP & ~__GFP_ACCOUNT) as cached
stacks need to be accounted separately. However that code, when it
eventually accounts the memory does this:
ret = memcg_kmem_charge(vm->pages[i], GFP_KERNEL, 0)
so the memory is charged as a GFP_KERNEL allocation.
Define a unique GFP_VMAP_STACK to use
GFP_KERNEL | __GFP_ZERO and move the comment there.
Link: https://lkml.kernel.org/r/20250509-gfp-stack-v1-1-82f6f7efc210@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reported-by: Mateusz Guzik <mjguzik@gmail.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
There are two data types: "struct vm_struct" and "struct vm_stack" that
have the same local variable names: vm_stack, or vm, or s, which makes the
code confusing to read.
Change the code so the naming is consistent:
struct vm_struct is always called vm_area
struct vm_stack is always called vm_stack
One change altering vfree(vm_stack) to vfree(vm_area->addr) may look like
a semantic change but it is not: vm_area->addr points to the vm_stack.
This was done to improve readability.
[linus.walleij@linaro.org: rebased and added new users of the variable names, address review comments]
Link: https://lore.kernel.org/20240311164638.2015063-4-pasha.tatashin@soleen.com
Link: https://lkml.kernel.org/r/20250509-fork-fixes-v3-2-e6c69dd356f2@linaro.org
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Replace sprintf() with the safer variant scnprintf() and use its return
value instead of calculating the string length again using strlen().
Use strscpy() instead of the deprecated strcpy().
No functional changes intended.
Link: https://github.com/KSPP/linux/issues/88
Link: https://lkml.kernel.org/r/20250521121840.5653-1-thorsten.blum@linux.dev
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: guoweikang <guoweikang.kernel@gmail.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
kstrtol() is better because simple_strtol() ignores overflow. And using
kstrtol() is more concise.
Link: https://lkml.kernel.org/r/20250527092333.1917391-1-suhui@nfschina.com
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-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>
__get_unaligned_cpu32() is deprecated. So, replace it with the more
generic get_unaligned() and just cast the input parameter.
Link: https://lkml.kernel.org/r/20250603132121.3674066-1-julian@outer-limits.org
Signed-off-by: Julian Vetter <julian@outer-limits.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Wei-Hsin Yeh <weihsinyeh168@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
->d_compare() weirdness and parallel lookups
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull /proc/sys dcache lookup fix from Al Viro:
"Fix for the breakage spotted by Neil in the interplay between
/proc/sys ->d_compare() weirdness and parallel lookups"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix proc_sys_compare() handling of in-lookup dentries
preventing realtime tasks from running
- Avoid a race condition during migrate-swapping two tasks
- Fix the string reported for the "none" dynamic preemption option
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Merge tag 'sched_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Fix the calculation of the deadline server task's runtime as this
mishap was preventing realtime tasks from running
- Avoid a race condition during migrate-swapping two tasks
- Fix the string reported for the "none" dynamic preemption option
* tag 'sched_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Fix dl_server runtime calculation formula
sched/core: Fix migrate_swap() vs. hotplug
sched: Fix preemption string of preempt_dynamic_none
a missed endianness conversion
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Merge tag 'objtool_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Borislav Petkov:
- Fix the compilation of an x86 kernel on a big engian machine due to a
missed endianness conversion
* tag 'objtool_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Add missing endian conversion to read_annotate()
destructively modify kernel code from an unprivileged process
- Move a warning to where it belongs
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Merge tag 'perf_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Revert uprobes to using CAP_SYS_ADMIN again as currently they can
destructively modify kernel code from an unprivileged process
- Move a warning to where it belongs
* tag 'perf_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Revert to requiring CAP_SYS_ADMIN for uprobes
perf/core: Fix the WARN_ON_ONCE is out of lock protected region
prevents their TSCs from going skewed from the hypervisor's
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Merge tag 'x86_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Borislav Petkov:
- Make sure AMD SEV guests using secure TSC, include a TSC_FACTOR which
prevents their TSCs from going skewed from the hypervisor's
* tag 'x86_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Use TSC_FACTOR for Secure TSC frequency calculation
- Add a selftests compilation product to the corresponding .gitignore file
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Merge tag 'locking_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Borislav Petkov:
- Disable FUTEX_PRIVATE_HASH for this cycle due to a performance
regression
- Add a selftests compilation product to the corresponding .gitignore
file
* tag 'locking_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/futex: Add futex_numa to .gitignore
futex: Temporary disable FUTEX_PRIVATE_HASH
an uninitialized lock class
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Merge tag 'edac_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
- Initialize sysfs attributes properly to avoid lockdep complaining
about an uninitialized lock class
* tag 'edac_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC: Initialize EDAC features sysfs attributes
fails due to new/unknown banks present, which in itself is not fatal
anyway; add default names for new banks
- Make sure MCE polling settings are honored after CMCI storms
- Make sure MCE threshold limit is reset after the thresholding interrupt has
been serviced
- Clean up properly and disable CMCI banks on shutdown so that
a second/kexec-ed kernel can rediscover those banks again
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Merge tag 'ras_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fixes from Borislav Petkov:
- Do not remove the MCE sysfs hierarchy if thresholding sysfs nodes
init fails due to new/unknown banks present, which in itself is not
fatal anyway; add default names for new banks
- Make sure MCE polling settings are honored after CMCI storms
- Make sure MCE threshold limit is reset after the thresholding
interrupt has been serviced
- Clean up properly and disable CMCI banks on shutdown so that a
second/kexec-ed kernel can rediscover those banks again
* tag 'ras_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Make sure CMCI banks are cleared during shutdown on Intel
x86/mce/amd: Fix threshold limit reset
x86/mce/amd: Add default names for MCA banks and blocks
x86/mce: Ensure user polling settings are honored when restarting timer
x86/mce: Don't remove sysfs if thresholding sysfs init fails
futex_numa was never added to the .gitignore file.
Add it.
Fixes: 9140f57c1c ("futex,selftests: Add another FUTEX2_NUMA selftest")
Signed-off-by: Terry Tritton <terry.tritton@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Link: https://lore.kernel.org/all/20250704103749.10341-1-terry.tritton@linaro.org
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Merge tag 'v6.16-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Two reconnect fixes including one for a reboot/reconnect race
- Fix for incorrect file type that can be returned by SMB3.1.1 POSIX
extensions
- tcon initialization fix
- Fix for resolving Windows symlinks with absolute paths
* tag 'v6.16-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix native SMB symlink traversal
smb: client: fix race condition in negotiate timeout by using more precise timing
cifs: all initializations for tcon should happen in tcon_info_alloc
smb: client: fix warning when reconnecting channel
smb: client: fix readdir returning wrong type with POSIX extensions
- Prevent the Intel RAPL power capping driver from allowing PL1 to be
exceeded by mistake on systems when PL1 cannot be disabled (Zhang
Rui).
- Fix a typo in the ABI documentation (Sumanth Gavini).
- Allow swap to be used a bit longer during system suspend and
hibernation to avoid suspend failures under memory pressure (Mario
Limonciello).
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Merge tag 'pm-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These address system suspend failures under memory pressure in some
configurations, fix up RAPL handling on platforms where PL1 cannot be
disabled, and fix a documentation typo:
- Prevent the Intel RAPL power capping driver from allowing PL1 to be
exceeded by mistake on systems when PL1 cannot be disabled (Zhang
Rui)
- Fix a typo in the ABI documentation (Sumanth Gavini)
- Allow swap to be used a bit longer during system suspend and
hibernation to avoid suspend failures under memory pressure (Mario
Limonciello)"
* tag 'pm-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: docs: Replace "diasble" with "disable"
powercap: intel_rapl: Do not change CLAMPING bit if ENABLE bit cannot be changed
PM: Restrict swap use to later in the suspend sequence
Merge fixes related to system sleep for 6.16-rc5:
- Fix typo in the ABI documentation (Sumanth Gavini).
- Allow swap to be used a bit longer during system suspend and
hibernation to avoid suspend failures under memory pressure (Mario
Limonciello).
* pm-sleep:
PM: sleep: docs: Replace "diasble" with "disable"
PM: Restrict swap use to later in the suspend sequence
A couple of fixes for firmware drivers have come up, addressing kernel
side bugs in op-tee and ff-a code, as well as compatibility issues
with exynos-acpm and ff-a protocols.
The only devicetree fixes are for the Apple platform, addressing issues
with conformance to the bindings for the wlan, spi and mipi nodes
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Merge tag 'soc-fixes-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"A couple of fixes for firmware drivers have come up, addressing kernel
side bugs in op-tee and ff-a code, as well as compatibility issues
with exynos-acpm and ff-a protocols.
The only devicetree fixes are for the Apple platform, addressing
issues with conformance to the bindings for the wlan, spi and mipi
nodes"
* tag 'soc-fixes-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: apple: Move touchbar mipi {address,size}-cells from dtsi to dts
arm64: dts: apple: Drop {address,size}-cells from SPI NOR
arm64: dts: apple: t8103: Fix PCIe BCM4377 nodename
optee: ffa: fix sleep in atomic context
firmware: exynos-acpm: fix timeouts on xfers handling
arm64: defconfig: update renamed PHY_SNPS_EUSB2
firmware: arm_ffa: Fix the missing entry in struct ffa_indirect_msg_hdr
firmware: arm_ffa: Replace mutex with rwlock to avoid sleep in atomic context
firmware: arm_ffa: Move memory allocation outside the mutex locking
firmware: arm_ffa: Fix memory leak by freeing notifier callback node
* kCFI is restricted to clang-17 or newer, as earlier versions have
known bugs.
* sbi_hsm_hart_start is now staticly allocated, to avoid tripping up the
SBI HSM page mapping on sparse systems.
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Merge tag 'riscv-for-linus-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- kCFI is restricted to clang-17 or newer, as earlier versions have
known bugs
- sbi_hsm_hart_start is now staticly allocated, to avoid tripping up
the SBI HSM page mapping on sparse systems.
* tag 'riscv-for-linus-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: cpu_ops_sbi: Use static array for boot_data
riscv: Require clang-17 or newer for kCFI
A few driver fixes (the GPIO one being potentially nasty, though it has
been there for a while without anyone reporting it), and one core fix
for the rarely used combination of coupled regulators and unbinding.
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Merge tag 'regulator-fix-v6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few driver fixes (the GPIO one being potentially nasty, though it
has been there for a while without anyone reporting it), and one core
fix for the rarely used combination of coupled regulators and
unbinding"
* tag 'regulator-fix-v6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
regulator: mp886x: Fix ID table driver_data
regulator: sy8824x: Fix ID table driver_data
regulator: tps65219: Fix devm_kmalloc size allocation
regulator: core: fix NULL dereference on unbind due to stale coupling data
As well as a few driver specific fixes we've got a core change here
which raises the hard coded limit on the number of devices we can
support on one SPI bus since some FPGA based systems are running into
the existing limit. This is not a good solution but it's one suitable
for this point in the release cycle, we should dynamically size the
relevant data structures which I hope will happen in the next couple of
merge windows.
We also pull in a MTD fix for the Qualcomm SNAND driver, the two fixes
cover the same issue and merging them together minimises bisection
issues.
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Merge tag 'spi-fix-v6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"As well as a few driver specific fixes we've got a core change here
which raises the hard coded limit on the number of devices we can
support on one SPI bus since some FPGA based systems are running into
the existing limit. This is not a good solution but it's one suitable
for this point in the release cycle, we should dynamically size the
relevant data structures which I hope will happen in the next couple
of merge windows.
We also pull in a MTD fix for the Qualcomm SNAND driver, the two fixes
cover the same issue and merging them together minimises bisection
issues"
* tag 'spi-fix-v6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: cadence-quadspi: fix cleanup of rx_chan on failure paths
spi: spi-fsl-dspi: Clear completion counter before initiating transfer
spi: Raise limit on number of chip selects to 24
mtd: nand: qpic_common: prevent out of bounds access of BAM arrays
spi: spi-qpic-snand: reallocate BAM transactions
Fixes and New HW Support
- amd/isp4: Improve swnode graph (new driver exception)
- asus-nb-wmi: Use duo keyboard quirk for Zenbook Duo UX8406CA
- dell-lis3lv02d: Add Latitude 5500 accelerometer address
- dell-wmi-sysman: Fix WMI data block retrieval and class dev unreg
- hp-bioscfg: Fix class device unregistration
- i2c: piix4: Re-enable on non-x86 + move FCH header under platform_data/
- intel/hid: Wildcat Lake support
- mellanox:
- mlxbf-pmc: Fix duplicate event ID
- mlxbf-tmfifo: Fix vring_desc.len assignment
- mlxreg-lc: Fix bit-not-set logic check
- nvsw-sn2201: Fix bus number in error message & spelling errors
- portwell-ec: Move watchdog device under correct platform hierarchy
- think-lmi: Error handling fixes (sysfs, kset, kobject, class dev unreg)
- thinkpad_acpi: Handle HKEY 0x1402 event (2025 Thinkpads)
- wmi: Fix WMI event enablement
The following is an automated shortlog grouped by driver:
asus-nb-wmi:
- add DMI quirk for ASUS Zenbook Duo UX8406CA
dell-lis3lv02d:
- Add Latitude 5500
dell-wmi-sysman:
- Fix class device unregistration
- Fix WMI data block retrieval in sysfs callbacks
hp-bioscfg:
- Fix class device unregistration
i2c:
- Re-enable piix4 driver on non-x86
intel/hid:
- Add Wildcat Lake support
mellanox:
- Fix spelling and comment clarity in Mellanox drivers
mlxbf-pmc:
- Fix duplicate event ID for CACHE_DATA1
mlxbf-tmfifo:
- fix vring_desc.len assignment
mlxreg-lc:
- Fix logic error in power state check
Move FCH header to a location accessible by all archs:
- Move FCH header to a location accessible by all archs
nvsw-sn2201:
- Fix bus number in adapter error message
portwell-ec:
- Move watchdog device under correct platform hierarchy
think-lmi:
- Create ksets consecutively
- Fix class device unregistration
- Fix kobject cleanup
- Fix sysfs group cleanup
thinkpad_acpi:
- handle HKEY 0x1402 event
Update swnode graph for amd isp4:
- Update swnode graph for amd isp4
wmi:
- Fix WMI event enablement
- Update documentation of WCxx/WExx ACPI methods
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Merge tag 'platform-drivers-x86-v6.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
"Mostly a few lines fixed here and there except amd/isp4 which improves
swnodes relationships but that is a new driver not in any stable
kernels yet. The think-lmi driver changes also look relatively large
but there are just many fixes to it.
The i2c/piix4 change is a effectively a revert of the commit
7e173eb82a ("i2c: piix4: Make CONFIG_I2C_PIIX4 dependent on
CONFIG_X86") but that required moving the header out from arch/x86
under include/linux/platform_data/
Summary:
- amd/isp4: Improve swnode graph (new driver exception)
- asus-nb-wmi: Use duo keyboard quirk for Zenbook Duo UX8406CA
- dell-lis3lv02d: Add Latitude 5500 accelerometer address
- dell-wmi-sysman: Fix WMI data block retrieval and class dev unreg
- hp-bioscfg: Fix class device unregistration
- i2c: piix4: Re-enable on non-x86 + move FCH header under platform_data/
- intel/hid: Wildcat Lake support
- mellanox:
- mlxbf-pmc: Fix duplicate event ID
- mlxbf-tmfifo: Fix vring_desc.len assignment
- mlxreg-lc: Fix bit-not-set logic check
- nvsw-sn2201: Fix bus number in error message & spelling errors
- portwell-ec: Move watchdog device under correct platform hierarchy
- think-lmi: Error handling fixes (sysfs, kset, kobject, class dev unreg)
- thinkpad_acpi: Handle HKEY 0x1402 event (2025 Thinkpads)
- wmi: Fix WMI event enablement"
* tag 'platform-drivers-x86-v6.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (22 commits)
platform/x86: think-lmi: Fix sysfs group cleanup
platform/x86: think-lmi: Fix kobject cleanup
platform/x86: think-lmi: Create ksets consecutively
platform/mellanox: mlxreg-lc: Fix logic error in power state check
i2c: Re-enable piix4 driver on non-x86
Move FCH header to a location accessible by all archs
platform/x86/intel/hid: Add Wildcat Lake support
platform/x86: dell-wmi-sysman: Fix class device unregistration
platform/x86: think-lmi: Fix class device unregistration
platform/x86: hp-bioscfg: Fix class device unregistration
platform/x86: Update swnode graph for amd isp4
platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
platform/x86: wmi: Update documentation of WCxx/WExx ACPI methods
platform/x86: wmi: Fix WMI event enablement
platform/mellanox: nvsw-sn2201: Fix bus number in adapter error message
platform/mellanox: Fix spelling and comment clarity in Mellanox drivers
platform/mellanox: mlxbf-pmc: Fix duplicate event ID for CACHE_DATA1
platform/x86: thinkpad_acpi: handle HKEY 0x1402 event
platform/x86: asus-nb-wmi: add DMI quirk for ASUS Zenbook Duo UX8406CA
platform/x86: dell-lis3lv02d: Add Latitude 5500
...
Here are some USB driver fixes for 6.16-rc5. I originally wanted this
to get into -rc4, but there were some regressions that had to be handled
first. Now all looks good. Included in here are the following fixes:
- cdns3 driver fixes
- xhci driver fixes
- typec driver fixes
- USB hub fixes (this is what took the longest to get right)
- new USB driver quirks added
- chipidea driver fixes
All of these have been in linux-next for a while and now we have no more
reported problems with them.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB driver fixes for 6.16-rc5. I originally wanted this
to get into -rc4, but there were some regressions that had to be
handled first. Now all looks good. Included in here are the following
fixes:
- cdns3 driver fixes
- xhci driver fixes
- typec driver fixes
- USB hub fixes (this is what took the longest to get right)
- new USB driver quirks added
- chipidea driver fixes
All of these have been in linux-next for a while and now we have no
more reported problems with them"
* tag 'usb-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits)
usb: hub: Fix flushing of delayed work used for post resume purposes
xhci: dbc: Flush queued requests before stopping dbc
xhci: dbctty: disable ECHO flag by default
xhci: Disable stream for xHC controller with XHCI_BROKEN_STREAMS
usb: xhci: quirk for data loss in ISOC transfers
usb: dwc3: gadget: Fix TRB reclaim logic for short transfers and ZLPs
usb: hub: Fix flushing and scheduling of delayed work that tunes runtime pm
usb: typec: displayport: Fix potential deadlock
usb: typec: altmodes/displayport: do not index invalid pin_assignments
usb: cdnsp: Fix issue with CV Bad Descriptor test
usb: typec: tcpm: apply vbus before data bringup in tcpm_src_attach
Revert "usb: xhci: Implement xhci_handshake_check_state() helper"
usb: xhci: Skip xhci_reset in xhci_resume if xhci is being removed
usb: gadget: u_serial: Fix race condition in TTY wakeup
Revert "usb: gadget: u_serial: Add null pointer check in gs_start_io"
usb: chipidea: udc: disconnect/reconnect from host when do suspend/resume
usb: acpi: fix device link removal
usb: hub: fix detection of high tier USB3 devices behind suspended hubs
Logitech C-270 even more broken
usb: dwc3: Abort suspend on soft disconnect failure
...
