linux/kernel/time
Linus Torvalds 364eeb79a2 Locking changes for v6.13 are:
- lockdep:
     - Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING (Sebastian Andrzej Siewior)
     - Add lockdep_cleanup_dead_cpu() (David Woodhouse)
 
  - futexes:
     - Use atomic64_inc_return() in get_inode_sequence_number() (Uros Bizjak)
     - Use atomic64_try_cmpxchg_relaxed() in get_inode_sequence_number() (Uros Bizjak)
 
  - RT locking:
     - Add sparse annotation PREEMPT_RT's locking (Sebastian Andrzej Siewior)
 
  - spinlocks:
     - Use atomic_try_cmpxchg_release() in osq_unlock() (Uros Bizjak)
 
  - atomics:
     - x86: Use ALT_OUTPUT_SP() for __alternative_atomic64() (Uros Bizjak)
     - x86: Use ALT_OUTPUT_SP() for __arch_{,try_}cmpxchg64_emu() (Uros Bizjak)
 
  - KCSAN, seqlocks:
     - Support seqcount_latch_t (Marco Elver)
 
  - <linux/cleanup.h>:
     - Add if_not_cond_guard() conditional guard helper (David Lechner)
     - Adjust scoped_guard() macros to avoid potential warning (Przemek Kitszel)
     - Remove address space of returned pointer (Uros Bizjak)
 
  - WW mutexes:
     - locking/ww_mutex: Adjust to lockdep nest_lock requirements (Thomas Hellström)
 
  - Rust integration:
     - Fix raw_spin_lock initialization on PREEMPT_RT (Eder Zulian)
 
  - miscellaneous cleanups & fixes:
     - lockdep: Fix wait-type check related warnings (Ahmed Ehab)
     - lockdep: Use info level for initial info messages (Jiri Slaby)
     - spinlocks: Make __raw_* lock ops static (Geert Uytterhoeven)
     - pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase (Qiuxu Zhuo)
     - iio: magnetometer: Fix if () scoped_guard() formatting (Stephen Rothwell)
     - rtmutex: Fix misleading comment (Peter Zijlstra)
     - percpu-rw-semaphores: Fix grammar in percpu-rw-semaphore.rst (Xiu Jianfeng)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmc7AkQRHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1hGqQ/+KWR5arkoJjH/Nf5IyezYitOwqK7YAdJk
 mrWoZcez0DRopNTf8yZMv1m8jyx7W9KUQumEO/ghqJRlBW+AbxZ1t99kmqWI5Aw0
 +zmhpyo06JHeMYQAfKJXX3iRt2Rt59BPHtGzoop6b0e2i55+uPE+DZTNm2+FwCV9
 4vxmfpYyg5/sJB9/v5b0N9TTDe9a8caOHXU5F+HA1yWuxMmqFuDFIcpKrgS/sUeP
 NelOLbh2L3UOPWP6tRRfpajxCQTmRoeZOQQv0L9dd3jYpyQOCesgKqOhqNTCU8KK
 qamTPig2N00smSLp6I/OVyJ96vFYZrbhyq0kwMayaafAU7mB8lzcfUj+8qP0c90k
 1PROtD1XpF3Nobp1F+YUp3sQxEGdCgs+9VeLWWObv2b/Vt3MDZijdEiC/3OkRAUh
 LPCfl/ky41BmT8AlaxRDjkyrN7hH4oUOkGUdVx6yR389J0OR9MSwEX9qNaMw8bBg
 1ALvv9+OR3QhTWyG30PGqUf3Um230oIdWuWxwFrhaoMmDVEVMRZQMtvQahi5hDYq
 zyX79DKWtExEe/f2hY1m/6eNm6st5HE7X7scOba3TamQzvOzJkjzo7XoS2yeUAjb
 eByO2G0PvTrA0TFls6Hyrl6db5OW5KjQnVWr6W3fiWL5YIdh0SQMkWeaGVvGyfy8
 Q3vhk7POaZo=
 =BvPn
 -----END PGP SIGNATURE-----

Merge tag 'locking-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:
 "Lockdep:
   - Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING (Sebastian Andrzej
     Siewior)
   - Add lockdep_cleanup_dead_cpu() (David Woodhouse)

  futexes:
   - Use atomic64_inc_return() in get_inode_sequence_number() (Uros
     Bizjak)
   - Use atomic64_try_cmpxchg_relaxed() in get_inode_sequence_number()
     (Uros Bizjak)

  RT locking:
   - Add sparse annotation PREEMPT_RT's locking (Sebastian Andrzej
     Siewior)

  spinlocks:
   - Use atomic_try_cmpxchg_release() in osq_unlock() (Uros Bizjak)

  atomics:
   - x86: Use ALT_OUTPUT_SP() for __alternative_atomic64() (Uros Bizjak)
   - x86: Use ALT_OUTPUT_SP() for __arch_{,try_}cmpxchg64_emu() (Uros
     Bizjak)

  KCSAN, seqlocks:
   - Support seqcount_latch_t (Marco Elver)

  <linux/cleanup.h>:
   - Add if_not_guard() conditional guard helper (David Lechner)
   - Adjust scoped_guard() macros to avoid potential warning (Przemek
     Kitszel)
   - Remove address space of returned pointer (Uros Bizjak)

  WW mutexes:
   - locking/ww_mutex: Adjust to lockdep nest_lock requirements (Thomas
     Hellström)

  Rust integration:
   - Fix raw_spin_lock initialization on PREEMPT_RT (Eder Zulian)

  Misc cleanups & fixes:
   - lockdep: Fix wait-type check related warnings (Ahmed Ehab)
   - lockdep: Use info level for initial info messages (Jiri Slaby)
   - spinlocks: Make __raw_* lock ops static (Geert Uytterhoeven)
   - pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase
     (Qiuxu Zhuo)
   - iio: magnetometer: Fix if () scoped_guard() formatting (Stephen
     Rothwell)
   - rtmutex: Fix misleading comment (Peter Zijlstra)
   - percpu-rw-semaphores: Fix grammar in percpu-rw-semaphore.rst (Xiu
     Jianfeng)"

* tag 'locking-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
  locking/Documentation: Fix grammar in percpu-rw-semaphore.rst
  iio: magnetometer: fix if () scoped_guard() formatting
  rust: helpers: Avoid raw_spin_lock initialization for PREEMPT_RT
  kcsan, seqlock: Fix incorrect assumption in read_seqbegin()
  seqlock, treewide: Switch to non-raw seqcount_latch interface
  kcsan, seqlock: Support seqcount_latch_t
  time/sched_clock: Broaden sched_clock()'s instrumentation coverage
  time/sched_clock: Swap update_clock_read_data() latch writes
  locking/atomic/x86: Use ALT_OUTPUT_SP() for __arch_{,try_}cmpxchg64_emu()
  locking/atomic/x86: Use ALT_OUTPUT_SP() for __alternative_atomic64()
  cleanup: Add conditional guard helper
  cleanup: Adjust scoped_guard() macros to avoid potential warning
  locking/osq_lock: Use atomic_try_cmpxchg_release() in osq_unlock()
  cleanup: Remove address space of returned pointer
  locking/rtmutex: Fix misleading comment
  locking/rt: Annotate unlock followed by lock for sparse.
  locking/rt: Add sparse annotation for RCU.
  locking/rt: Remove one __cond_lock() in RT's spin_trylock_irqsave()
  locking/rt: Add sparse annotation PREEMPT_RT's sleeping locks.
  locking/pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase
  ...
2024-11-19 12:43:11 -08:00
..
alarmtimer.c treewide: Fix wrong singular form of jiffies in comments 2024-09-08 20:47:40 +02:00
clockevents.c treewide: Fix wrong singular form of jiffies in comments 2024-09-08 20:47:40 +02:00
clocksource-wdtest.c time: Add MODULE_DESCRIPTION() to time test modules 2024-06-03 11:18:50 +02:00
clocksource.c clocksource: Set cs_watchdog_read() checks based on .uncertainty_margin 2024-08-02 18:37:13 +02:00
hrtimer.c In the v6.12 scheduler development cycle we had 63 commits from 18 contributors: 2024-09-19 15:55:58 +02:00
itimer.c
jiffies.c
Kconfig clocksource: Make the int help prompt unit readable in ncurses 2024-04-30 00:12:22 +02:00
Makefile timers: Implement the hierarchical pull model 2024-02-22 17:52:32 +01:00
namespace.c
ntp_internal.h ntp: Make sure RTC is synchronized when time goes backwards 2024-09-10 13:50:40 +02:00
ntp.c ntp: Make sure RTC is synchronized when time goes backwards 2024-09-10 13:50:40 +02:00
posix-clock.c posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime() 2024-10-23 16:05:01 +02:00
posix-cpu-timers.c posix-timers: Consolidate signal queueing 2024-07-29 21:57:35 +02:00
posix-stubs.c
posix-timers.c treewide: Fix wrong singular form of jiffies in comments 2024-09-08 20:47:40 +02:00
posix-timers.h posix-timers: Consolidate signal queueing 2024-07-29 21:57:35 +02:00
sched_clock.c seqlock, treewide: Switch to non-raw seqcount_latch interface 2024-11-05 12:55:35 +01:00
test_udelay.c time: Add MODULE_DESCRIPTION() to time test modules 2024-06-03 11:18:50 +02:00
tick-broadcast-hrtimer.c
tick-broadcast.c tick/broadcast: Move per CPU pointer access into the atomic section 2024-07-31 12:37:43 +02:00
tick-common.c tick/nohz_full: Don't abuse smp_call_function_single() in tick_setup_device() 2024-06-10 20:18:13 +02:00
tick-internal.h tick: Move broadcast cancellation up to CPUHP_AP_TICK_DYING 2024-02-26 11:37:32 +01:00
tick-legacy.c
tick-oneshot.c
tick-sched.c sched/fair: Fix external p->on_rq users 2024-10-14 09:14:35 +02:00
tick-sched.h tick/sched: Fix struct tick_sched doc warnings 2024-04-01 10:36:35 +02:00
time_test.c time: Add MODULE_DESCRIPTION() to time test modules 2024-06-03 11:18:50 +02:00
time.c
timeconst.bc
timeconv.c
timecounter.c
timekeeping_debug.c timekeeping: Add percpu counter for tracking floor swap events 2024-10-10 10:20:46 +02:00
timekeeping_internal.h timekeeping: Add percpu counter for tracking floor swap events 2024-10-10 10:20:46 +02:00
timekeeping.c Locking changes for v6.13 are: 2024-11-19 12:43:11 -08:00
timekeeping.h
timer_list.c tick: Split nohz and highres features from nohz_mode 2024-02-26 11:37:32 +01:00
timer_migration.c timers/migration: Fix grammar in comment 2024-07-22 18:03:34 +02:00
timer_migration.h timers/migration: Rename childmask by groupmask to make naming more obvious 2024-07-22 18:03:34 +02:00
timer.c Updates for timers and timekeeping: 2024-09-17 07:25:37 +02:00
vsyscall.c vdso: Add vdso_data:: Max_cycles 2024-04-08 15:03:07 +02:00