linux/kernel
Linus Torvalds 23608993bb Locking changes for v6.15:
Locking primitives:
 
     - Micro-optimize percpu_{,try_}cmpxchg{64,128}_op() and {,try_}cmpxchg{64,128}
       on x86 (Uros Bizjak)
 
     - mutexes: extend debug checks in mutex_lock() (Yunhui Cui)
 
     - Misc cleanups (Uros Bizjak)
 
   Lockdep:
 
     - Fix might_fault() lockdep check of current->mm->mmap_lock (Peter Zijlstra)
 
     - Don't disable interrupts on RT in disable_irq_nosync_lockdep.*()
       (Sebastian Andrzej Siewior)
 
     - Disable KASAN instrumentation of lockdep.c (Waiman Long)
 
     - Add kasan_check_byte() check in lock_acquire() (Waiman Long)
 
     - Misc cleanups (Sebastian Andrzej Siewior)
 
   Rust runtime integration:
 
     - Use Pin for all LockClassKey usages (Mitchell Levy)
     - sync: Add accessor for the lock behind a given guard (Alice Ryhl)
     - sync: condvar: Add wait_interruptible_freezable() (Alice Ryhl)
     - sync: lock: Add an example for Guard:: Lock_ref() (Boqun Feng)
 
   Split-lock detection feature (x86):
 
     - Fix warning mode with disabled mitigation mode (Maksim Davydov)
 
   Locking events:
 
     - Add locking events for rtmutex slow paths (Waiman Long)
     - Add locking events for lockdep (Waiman Long)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:
 "Locking primitives:
   - Micro-optimize percpu_{,try_}cmpxchg{64,128}_op() and
     {,try_}cmpxchg{64,128} on x86 (Uros Bizjak)
   - mutexes: extend debug checks in mutex_lock() (Yunhui Cui)
   - Misc cleanups (Uros Bizjak)

  Lockdep:
   - Fix might_fault() lockdep check of current->mm->mmap_lock (Peter
     Zijlstra)
   - Don't disable interrupts on RT in disable_irq_nosync_lockdep.*()
     (Sebastian Andrzej Siewior)
   - Disable KASAN instrumentation of lockdep.c (Waiman Long)
   - Add kasan_check_byte() check in lock_acquire() (Waiman Long)
   - Misc cleanups (Sebastian Andrzej Siewior)

  Rust runtime integration:
   - Use Pin for all LockClassKey usages (Mitchell Levy)
   - sync: Add accessor for the lock behind a given guard (Alice Ryhl)
   - sync: condvar: Add wait_interruptible_freezable() (Alice Ryhl)
   - sync: lock: Add an example for Guard:: Lock_ref() (Boqun Feng)

  Split-lock detection feature (x86):
   - Fix warning mode with disabled mitigation mode (Maksim Davydov)

  Locking events:
   - Add locking events for rtmutex slow paths (Waiman Long)
   - Add locking events for lockdep (Waiman Long)"

* tag 'locking-core-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep: Remove disable_irq_lockdep()
  lockdep: Don't disable interrupts on RT in disable_irq_nosync_lockdep.*()
  rust: lockdep: Use Pin for all LockClassKey usages
  rust: sync: condvar: Add wait_interruptible_freezable()
  rust: sync: lock: Add an example for Guard:: Lock_ref()
  rust: sync: Add accessor for the lock behind a given guard
  locking/lockdep: Add kasan_check_byte() check in lock_acquire()
  locking/lockdep: Disable KASAN instrumentation of lockdep.c
  locking/lock_events: Add locking events for lockdep
  locking/lock_events: Add locking events for rtmutex slow paths
  x86/split_lock: Fix the delayed detection logic
  lockdep/mm: Fix might_fault() lockdep check of current->mm->mmap_lock
  x86/locking: Remove semicolon from "lock" prefix
  locking/mutex: Add MUTEX_WARN_ON() into fast path
  x86/locking: Use asm_inline for {,try_}cmpxchg{64,128} emulations
  x86/locking: Use ALT_OUTPUT_SP() for percpu_{,try_}cmpxchg{64,128}_op()
2025-03-24 20:55:03 -07:00
..
bpf Change inode_operations.mkdir to return struct dentry * 2025-02-27 20:00:17 +01:00
cgroup cgroup: Changes for v6.15 2025-03-24 16:49:40 -07:00
configs ubsan/overflow: Rework integer overflow sanitizer option to turn on everything 2025-03-07 19:58:05 -08:00
debug kdb: Remove unused flags stack 2025-01-25 08:22:26 +00:00
dma dma-mapping: fix missing clear bdr in check_ram_in_range_map() 2025-03-12 13:41:44 +01:00
entry seccomp: remove the 'sd' argument from __secure_computing() 2025-02-10 09:26:22 -08:00
events perf/core: Fix perf_pmu_register() vs. perf_init_event() 2025-03-01 19:38:42 +01:00
futex Fix a dangling pointer bug in the futex code used by the 2025-02-08 10:54:11 -08:00
gcov gcov: clang: use correct function param names 2025-01-24 22:47:27 -08:00
irq genirq: Remove unused CONFIG_GENERIC_PENDING_IRQ_CHIPFLAGS 2025-02-13 13:18:54 +01:00
kcsan kcsan: Remove redundant call of kallsyms_lookup_name() 2024-10-14 16:44:56 +02:00
livepatch livepatch: Add stack_order sysfs attribute 2024-12-09 11:44:03 +01:00
locking locking/lockdep: Add kasan_check_byte() check in lock_acquire() 2025-03-08 00:55:04 +01:00
module Kbuild updates for v6.14 2025-01-31 12:07:07 -08:00
power More power management updates for 6.14-rc1 2025-01-30 15:10:34 -08:00
printk Flush console log from kernel_power_off() 2025-03-04 18:44:29 -08:00
rcu RCU pull request for v6.15 2025-03-24 19:41:37 -07:00
sched RCU pull request for v6.15 2025-03-24 19:41:37 -07:00
time Fix a PREEMPT_RT bug in the clocksource verification code that 2025-02-08 11:55:03 -08:00
trace RCU pull request for v6.15 2025-03-24 19:41:37 -07:00
.gitignore
acct.c acct: block access to kernel internal filesystems 2025-02-12 12:24:16 +01:00
async.c
audit_fsnotify.c
audit_tree.c
audit_watch.c VFS: change kern_path_locked() and user_path_locked_at() to never return negative dentry 2025-02-19 14:08:41 +01:00
audit.c audit: Initialize lsmctx to avoid memory allocation error 2025-01-29 20:02:04 -05:00
audit.h audit: change context data from secid to lsm_prop 2024-10-11 14:34:16 -04:00
auditfilter.c audit: fix suffixed '/' filename matching 2024-12-05 19:22:38 -05:00
auditsc.c fs: dedup handling of struct filename init and refcounts bumps 2025-03-18 15:34:27 +01:00
backtracetest.c backtracetest: add MODULE_DESCRIPTION() 2024-06-24 22:24:55 -07:00
bounds.c bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS 2024-04-29 08:29:29 -07:00
capability.c kernel: remove get_task_comm() and print task comm directly 2025-01-12 20:21:15 -08:00
cfi.c
compat.c
configs.c
context_tracking.c context_tracking: Make RCU watch ct_kernel_exit_state() warning 2025-03-04 18:44:29 -08:00
cpu_pm.c
cpu.c The various patchsets are summarized below. Plus of course many 2025-01-26 18:36:23 -08:00
crash_core.c crash: Use note name macros 2025-02-10 16:56:58 -08:00
crash_reserve.c crash: fix crash memory reserve exceed system memory bug 2024-09-01 20:43:30 -07:00
cred.c cred: remove old {override,revert}_creds() helpers 2024-12-02 11:25:09 +01:00
delayacct.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
dma.c
elfcorehdr.c
exec_domain.c
exit.c kernel-6.15-rc1.tasklist_lock 2025-03-24 13:39:27 -07:00
exit.h
extable.c
fail_function.c
fork.c pidfs: ensure that PIDFS_INFO_EXIT is available 2025-03-19 14:40:18 +01:00
freezer.c sched/fair: Fix external p->on_rq users 2024-10-14 09:14:35 +02:00
gen_kheaders.sh Kbuild updates for v6.14 2025-01-31 12:07:07 -08:00
groups.c
hung_task.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
iomem.c
irq_work.c kasan: make kasan_record_aux_stack_noalloc() the default behaviour 2025-01-13 22:40:36 -08:00
jump_label.c jump_label: Fix static_key_slow_dec() yet again 2024-09-10 11:57:27 +02:00
kallsyms_internal.h kallsyms: get rid of code for absolute kallsyms 2024-07-20 16:33:21 +09:00
kallsyms_selftest.c kallsyms: Use kthread_run_on_cpu() 2025-01-02 22:12:12 +01:00
kallsyms_selftest.h
kallsyms.c kallsyms: Match symbols exactly with CONFIG_LTO_CLANG 2024-08-15 09:33:35 -07:00
kcmp.c kcmp: improve performance adding an unlikely hint to task comparisons 2025-02-21 10:25:33 +01:00
Kconfig.freezer
Kconfig.hz
Kconfig.kexec crash, powerpc: default to CRASH_DUMP=n on PPC_BOOK3S_32 2024-11-14 22:43:48 -08:00
Kconfig.locks
Kconfig.preempt sched: No PREEMPT_RT=y for all{yes,mod}config 2024-11-07 15:25:05 +01:00
kcov.c kcov: mark in_softirq_really() as __always_inline 2024-12-30 17:59:08 -08:00
kexec_core.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
kexec_elf.c
kexec_file.c kexec_file: fix elfcorehdr digest exclusion when CONFIG_CRASH_HOTPLUG=y 2024-09-01 17:59:01 -07:00
kexec_internal.h kexec: use atomic_try_cmpxchg_acquire() in kexec_trylock() 2024-09-01 20:43:23 -07:00
kexec.c crash: add a new kexec flag for hotplug support 2024-04-23 14:59:01 +10:00
kheaders.c kheaders: Simplify attribute through __BIN_ATTR_SIMPLE_RO() 2024-12-24 09:46:49 +01:00
kprobes.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
ksyms_common.c
ksysfs.c kernel/ksysfs.c: simplify bin_attribute definition 2025-01-07 16:59:15 +01:00
kthread.c kthread: Fix return value on kzalloc() failure in kthread_affine_preferred() 2025-02-04 01:42:27 +01:00
latencytop.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
Makefile mm: move kernel/numa.c to mm/ 2024-09-03 21:15:26 -07:00
module_signature.c
notifier.c reboot: move reboot_notifier_list to kernel/reboot.c 2024-11-05 17:12:31 -08:00
nsproxy.c fdget(), trivial conversions 2024-11-03 01:28:06 -05:00
padata.c padata: switch padata_find_next() to using cpumask_next_wrap() 2025-02-24 16:37:23 -05:00
panic.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
params.c module: Constify 'struct module_attribute' 2025-01-26 13:05:23 +01:00
pid_namespace.c pid: Do not set pid_max in new pid namespaces 2025-03-06 10:18:36 +01:00
pid_sysctl.h treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
pid.c kernel-6.15-rc1.tasklist_lock 2025-03-24 13:39:27 -07:00
profile.c profiling: remove profile=sleep support 2024-08-04 13:36:28 -07:00
ptrace.c
range.c
reboot.c Flush console log from kernel_power_off() 2025-03-04 18:44:29 -08:00
regset.c regset: use kvzalloc() for regset_get_alloc() 2024-04-25 21:07:03 -07:00
relay.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
resource_kunit.c resource, kunit: fix user-after-free in resource_test_region_intersects() 2024-10-09 12:47:19 -07:00
resource.c kernel/resource: simplify API __devm_release_region() implementation 2025-01-12 20:20:58 -08:00
rseq.c rseq: Fix rseq registration with CONFIG_DEBUG_RSEQ 2025-02-21 14:21:02 +01:00
scftorture.c scftorture: Handle NULL argument passed to scf_add_to_free_list(). 2024-11-14 16:09:51 -08:00
scs.c
seccomp.c seccomp: avoid the lock trip seccomp_filter_release in common case 2025-02-24 11:17:10 -08:00
signal.c pidfs: improve multi-threaded exec and premature thread-group leader exit polling 2025-03-20 15:32:43 +01:00
smp.c CSD-lock pull request for v6.14 2025-01-28 11:34:03 -08:00
smpboot.c
smpboot.h
softirq.c softirq: Allow raising SCHED_SOFTIRQ from SMP-call-function on RT kernel 2024-12-02 12:01:27 +01:00
stackleak.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
stacktrace.c
static_call_inline.c x86/static-call: provide a way to do very early static-call updates 2024-12-13 09:28:32 +01:00
static_call.c
stop_machine.c stop-machine: Add comment for rcu_momentary_eqs() 2025-03-11 10:15:52 -07:00
sys_ni.c Probes updates for v6.11: 2024-07-18 12:19:20 -07:00
sys.c pid: perform free_pid() calls outside of tasklist_lock 2025-02-07 11:22:43 +01:00
sysctl-test.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
sysctl.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
task_work.c kasan: make kasan_record_aux_stack_noalloc() the default behaviour 2025-01-13 22:40:36 -08:00
taskstats.c fdget(), more trivial conversions 2024-11-03 01:28:06 -05:00
torture.c torture: Add get_torture_init_jiffies() for test-start time 2025-02-05 07:14:24 -08:00
tracepoint.c tracing: Fix syscall tracepoint use-after-free 2024-11-01 14:37:31 -04:00
tsacct.c tsacct: replace strncpy() with strscpy() 2024-07-12 16:39:53 -07:00
ucount.c ucounts: move kfree() out of critical zone protected by ucounts_lock 2025-01-12 20:21:00 -08:00
uid16.c
uid16.h
umh.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
up.c
user_namespace.c uidgid: add map_id_range_up() 2025-02-12 12:12:27 +01:00
user-return-notifier.c
user.c uidgid: make sure we fit into one cacheline 2024-09-12 12:16:09 +02:00
usermode_driver.c
utsname_sysctl.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
utsname.c
vhost_task.c vhost: return task creation error instead of NULL 2025-03-01 02:52:52 -05:00
vmcore_info.c mm: support only one page_type per page 2024-09-03 21:15:43 -07:00
watch_queue.c vfs-6.15-rc1.pipe 2025-03-24 09:52:37 -07:00
watchdog_buddy.c
watchdog_perf.c watchdog/perf: properly initialize the turbo mode timestamp and rearm counter 2024-07-17 21:11:34 -07:00
watchdog.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
workqueue_internal.h
workqueue.c workqueue: An update for v6.14-rc4 2025-02-26 14:22:47 -08:00