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Linus Torvalds b115d85a95 Locking changes in v6.4: 
- Introduce local{,64}_try_cmpxchg() - a slightly more optimal
    primitive, which will be used in perf events ring-buffer code.
 
  - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation.
 
  - Misc cleanups/fixes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

 - Introduce local{,64}_try_cmpxchg() - a slightly more optimal
   primitive, which will be used in perf events ring-buffer code

 - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation

 - Misc cleanups/fixes

* tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/atomic: Correct (cmp)xchg() instrumentation
  locking/x86: Define arch_try_cmpxchg_local()
  locking/arch: Wire up local_try_cmpxchg()
  locking/generic: Wire up local{,64}_try_cmpxchg()
  locking/atomic: Add generic try_cmpxchg{,64}_local() support
  locking/rwbase: Mitigate indefinite writer starvation
  locking/arch: Rename all internal __xchg() names to __arch_xchg()
2023-05-05 12:56:55 -07:00
..
asm Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
cpu-common/cpu sh: include: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
cpu-sh2/cpu sh: include: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
cpu-sh2a/cpu sh: sh7269: Remove bogus SSU GPIO function definitions 2019-12-31 10:01:38 +01:00
cpu-sh3/cpu sh: include: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
cpu-sh4/cpu pinctrl: sh-pfc: sh7734: Fix duplicate TCLK1_B 2019-11-01 13:42:52 +01:00
cpu-sh4a/cpu
mach-common/mach sh: mach-highlander: Fix comment spelling 2020-03-17 20:51:31 +01:00
mach-dreamcast/mach Merge branch 'akpm' (patches from Andrew) 2018-12-28 16:55:46 -08:00
mach-ecovec24/mach sh: include: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
mach-kfr2r09/mach sh: include: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
mach-landisk/mach
mach-migor/mach
mach-sdk7786/mach
mach-se/mach sh: include: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
mach-sh03/mach
mach-x3proto/mach
uapi/asm sh: remove sh5 support 2020-06-01 14:48:52 -04:00