linux/arch/xtensa
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
..
boot xtensa: enable ARCH_HAS_GCOV_PROFILE_ALL 2022-07-14 00:54:47 -07:00
configs Xtensa updates for v6.2 2022-12-13 15:25:08 -08:00
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 xtensa: add __umulsidi3 helper 2022-12-06 16:21:26 -08:00
mm xtensa: drop unused members of struct thread_struct 2023-01-06 23:33:11 -08:00
platforms Xtensa updates for v5.20 2022-08-04 15:35:58 -07:00
variants xtensa: add test_kc705_be variant 2018-08-20 12:34:45 -07:00
Kbuild xtensa: move core-y in arch/xtensa/Makefile to arch/xtensa/Kbuild 2021-08-11 11:37:13 -07:00
Kconfig xtensa: reword ARCH_FORCE_MAX_ORDER prompt and help text 2023-04-18 16:29:46 -07:00
Kconfig.debug xtensa: make stack dump size configurable 2019-11-26 11:33:39 -08:00
Makefile kbuild: remove head-y syntax 2022-10-02 18:06:03 +09:00