linux/arch/x86
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 * Do conditional __tdx_hypercall() 'output' processing via an 2023-04-28 09:36:09 -07:00
coco * Do conditional __tdx_hypercall() 'output' processing via an 2023-04-28 09:36:09 -07:00
configs x86/defconfig: Enable CONFIG_DEBUG_WX=y 2022-09-02 10:41:42 +02:00
crypto modules-6.4-rc1 2023-04-27 16:36:55 -07:00
entry Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
events Perf changes for v6.4: 2023-04-28 14:41:53 -07:00
hyperv Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
ia32 x86/signal/32: Merge native and compat 32-bit signal code 2022-10-19 09:58:49 +02:00
include Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
kernel IOMMU Updates for Linux 6.4 2023-04-30 13:00:38 -07:00
kvm Fix a long-standing flaw in x86's TDP MMU where unloading roots on a vCPU can 2023-05-05 06:12:36 -04:00
lib Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
math-emu
mm x86-64: mm: clarify the 'positive addresses' user address rules 2023-05-03 10:37:22 -07:00
net bpf, x86: Simplify the parsing logic of structure parameters 2023-01-10 15:53:22 -08:00
pci pci-v6.4-changes 2023-04-27 10:45:30 -07:00
platform Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
power x86/cpu: Mark {hlt,resume}_play_dead() __noreturn 2023-04-14 17:31:27 +02:00
purgatory purgatory: fix disabling debug info 2023-04-08 19:36:53 +09:00
ras
realmode x86/boot: Skip realmode init code when running as Xen PV guest 2022-11-25 12:05:22 +01:00
tools ELF: fix all "Elf" typos 2023-04-08 13:45:37 -07:00
um um: make stub data pages size tweakable 2023-04-20 23:08:43 +02:00
video
virt/vmx/tdx
xen Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
.gitignore x86/purgatory: Omit use of bin2c 2022-07-25 10:32:32 +02:00
Kbuild
Kconfig Add support for new Linear Address Masking CPU feature. This is similar 2023-04-28 09:43:49 -07:00
Kconfig.assembler crypto: x86/aria-avx - fix build failure with old binutils 2023-01-20 18:29:31 +08:00
Kconfig.cpu
Kconfig.debug docs: move x86 documentation into Documentation/arch/ 2023-03-30 12:58:51 -06:00
Makefile x86/build: Make 64-bit defconfig the default 2023-02-15 14:20:17 +01:00
Makefile_32.cpu
Makefile.um um: Only disable SSE on clang to work around old GCC bugs 2023-04-04 09:57:05 +02:00