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b115d85a95
linux/arch/s390
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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
..
appldata s390: simplify dynamic sysctl registration for appldata_register_ops 2023-03-20 10:56:49 +01:00
boot s390/mm: fix direct map accounting 2023-04-13 17:36:28 +02:00
configs s390: update defconfigs 2023-03-13 09:15:11 +01:00
crypto s390/crc32le: use SYM* macros instead of ENTRY(), etc. 2023-04-19 17:24:17 +02:00
hypfs s390/hypfs: remove unused info_blk_hdr__pcpus() function 2022-11-23 16:24:07 +01:00
include Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
kernel For 6.4 2023-05-05 06:15:09 -04:00
kvm For 6.4 2023-05-05 06:15:09 -04:00
lib s390/lib: use SYM* macros instead of ENTRY(), etc. 2023-04-19 17:24:16 +02:00
mm RISC-V: 2023-05-05 12:17:01 -07:00
net bpf-next-for-netdev 2023-04-21 20:32:37 -07:00
pci Merge branch 'uaccess-inline-asm-cleanup' into features 2023-04-04 18:29:28 +02:00
purgatory s390/purgatory: use SYM* macros instead of ENTRY(), etc. 2023-04-19 17:24:18 +02:00
tools KVM: s390: Add facility 197 to the allow list 2022-07-13 15:25:25 +02:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig s390 updates for the 6.4 merge window 2023-04-30 11:43:31 -07:00
Kconfig.debug s390/Kconfig.debug: fix indentation 2022-06-01 12:03:15 +02:00
Makefile s390: reintroduce expoline dependence to scripts 2023-03-27 17:23:08 +02:00