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linux/kernel/locking
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Linus Torvalds 9eef023345 These are the v5.12 updates for the locking subsystem: 
- Core locking primitives updates:
 
     - Remove mutex_trylock_recursive() from the API - no users left
     - Simplify + constify the futex code a bit
 
  - Lockdep updates:
 
     - Teach lockdep about local_lock_t
     - Add CONFIG_DEBUG_IRQFLAGS=y debug config option to check for
       potentially unsafe IRQ mask restoration patterns. (I.e.
       calling raw_local_irq_restore() with IRQs enabled.)
     - Add wait context self-tests
     - Fix graph lock corner case corrupting internal data structures
     - Fix noinstr annotations
 
  - LKMM updates:
 
     - Simplify the litmus tests
     - Documentation fixes
 
  - KCSAN updates:
 
     - Re-enable KCSAN instrumentation in lib/random32.c
 
  - Misc fixes:
 
     - Don't branch-trace static label APIs
     - DocBook fix
     - Remove stale leftover empty file
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:
 "Core locking primitives updates:
    - Remove mutex_trylock_recursive() from the API - no users left
    - Simplify + constify the futex code a bit

  Lockdep updates:
    - Teach lockdep about local_lock_t
    - Add CONFIG_DEBUG_IRQFLAGS=y debug config option to check for
      potentially unsafe IRQ mask restoration patterns. (I.e.
      calling raw_local_irq_restore() with IRQs enabled.)
    - Add wait context self-tests
    - Fix graph lock corner case corrupting internal data structures
    - Fix noinstr annotations

  LKMM updates:
    - Simplify the litmus tests
    - Documentation fixes

  KCSAN updates:
    - Re-enable KCSAN instrumentation in lib/random32.c

  Misc fixes:
    - Don't branch-trace static label APIs
    - DocBook fix
    - Remove stale leftover empty file"

* tag 'locking-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  checkpatch: Don't check for mutex_trylock_recursive()
  locking/mutex: Kill mutex_trylock_recursive()
  s390: Use arch_local_irq_{save,restore}() in early boot code
  lockdep: Noinstr annotate warn_bogus_irq_restore()
  locking/lockdep: Avoid unmatched unlock
  locking/rwsem: Remove empty rwsem.h
  locking/rtmutex: Add missing kernel-doc markup
  futex: Remove unneeded gotos
  futex: Change utime parameter to be 'const ... *'
  lockdep: report broken irq restoration
  jump_label: Do not profile branch annotations
  locking: Add Reviewers
  locking/selftests: Add local_lock inversion tests
  locking/lockdep: Exclude local_lock_t from IRQ inversions
  locking/lockdep: Clean up check_redundant() a bit
  locking/lockdep: Add a skip() function to __bfs()
  locking/lockdep: Mark local_lock_t
  locking/selftests: More granular debug_locks_verbose
  lockdep/selftest: Add wait context selftests
  tools/memory-model: Fix typo in klitmus7 compatibility table
  ...
2021-02-21 12:12:01 -08:00
..
irqflag-debug.c lockdep: Noinstr annotate warn_bogus_irq_restore() 2021-02-10 14:44:39 +01:00
lock_events.c locking/lock_events: Don't show pvqspinlock events on bare metal 2019-04-10 10:56:05 +02:00
lock_events.h locking/lock_events: Use raw_cpu_{add,inc}() for stats 2019-06-03 12:32:56 +02:00
lock_events_list.h locking/rwsem: Remove reader optimistic spinning 2020-12-09 17:08:48 +01:00
lockdep.c Merge branch 'linus' into locking/core, to pick up upstream fixes 2021-02-12 12:54:58 +01:00
lockdep_internals.h lockdep: Fix usage_traceoverflow 2020-10-09 08:53:08 +02:00
lockdep_proc.c locking/lockdep: Fix overflow in presentation of average lock-time 2020-07-25 21:47:42 +02:00
lockdep_states.h
locktorture.c Merge branches 'doc.2021.01.06a', 'fixes.2021.01.04b', 'kfree_rcu.2021.01.04a', 'mmdumpobj.2021.01.22a', 'nocb.2021.01.06a', 'rt.2021.01.04a', 'stall.2021.01.06a', 'torture.2021.01.12a' and 'tortureall.2021.01.06a' into HEAD 2021-01-22 15:26:44 -08:00
Makefile lockdep: report broken irq restoration 2021-01-22 11:08:56 +01:00
mcs_spinlock.h
mutex-debug.c lockdep: Introduce wait-type checks 2020-03-21 16:00:24 +01:00
mutex-debug.h
mutex.c locking/mutex: Kill mutex_trylock_recursive() 2021-02-10 14:44:40 +01:00
mutex.h mutex: Fix up mutex_waiter usage 2019-08-08 09:09:25 +02:00
osq_lock.c locking/osq_lock: Annotate a data race in osq_lock 2020-06-29 12:04:48 -07:00
percpu-rwsem.c locking/percpu-rwsem: Use this_cpu_{inc,dec}() for read_count 2020-09-16 16:26:56 +02:00
qrwlock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
qspinlock.c x86/kvm: Add "nopvspin" parameter to disable PV spinlocks 2020-07-08 16:21:57 -04:00
qspinlock_paravirt.h Revert "locking/pvqspinlock: Don't wait if vCPU is preempted" 2019-09-25 10:22:37 +02:00
qspinlock_stat.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
rtmutex-debug.c kernel: rename show_stack_loglvl() => show_stack() 2020-06-09 09:39:13 -07:00
rtmutex-debug.h
rtmutex.c Merge branch 'linus' into locking/core, to pick up upstream fixes 2021-02-12 12:54:58 +01:00
rtmutex.h
rtmutex_common.h rtmutex: Remove unused argument from rt_mutex_proxy_unlock() 2021-01-26 15:10:58 +01:00
rwsem.c locking/rwsem: Remove reader optimistic spinning 2020-12-09 17:08:48 +01:00
semaphore.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 436 2019-06-05 17:37:17 +02:00
spinlock.c asm-generic/mmiowb: Add generic implementation of mmiowb() tracking 2019-04-08 11:59:39 +01:00
spinlock_debug.c lockdep: Introduce wait-type checks 2020-03-21 16:00:24 +01:00
test-ww_mutex.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 9 2019-05-21 11:28:40 +02:00