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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
..
configs ia64: update config files 2022-10-11 18:51:10 -07:00
hp/common ACPI: make remove callback of ACPI driver void 2022-11-23 19:11:22 +01:00
include Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
kernel SMP cross-CPU function-call updates for v6.4: 2023-04-28 15:03:43 -07:00
lib Merge branch 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:24:13 -07:00
mm Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
pci docs: move ia64 architecture docs under Documentation/arch/ 2023-04-10 16:45:52 -06:00
scripts kbuild: remove PYTHON variable 2021-02-01 10:37:19 +09:00
uv ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
Kbuild ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild 2021-09-03 08:17:20 +09:00
Kconfig - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of 2023-04-27 19:42:02 -07:00
Kconfig.debug ia64: don't do IA64_CMPXCHG_DEBUG without CONFIG_PRINTK 2021-10-04 10:45:58 +02:00
Makefile arch: Introduce CONFIG_FUNCTION_ALIGNMENT 2022-10-17 16:40:58 +02:00
install.sh kbuild: factor out the common installation code into scripts/install.sh 2022-05-11 21:45:53 +09:00