Merge tag 'x86-asm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 assembly code updates from Ingo Molnar:

 - Micro-optimize the x86 bitops code

 - Define target-specific {raw,this}_cpu_try_cmpxchg{64,128}() to
   improve code generation

 - Define and use raw_cpu_try_cmpxchg() preempt_count_set()

 - Do not clobber %rsi in percpu_{try_,}cmpxchg{64,128}_op

 - Remove the unused __sw_hweight64() implementation on x86-32

 - Misc fixes and cleanups

* tag 'x86-asm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/lib: Address kernel-doc warnings
  x86/entry: Fix typos in comments
  x86/entry: Remove unused argument %rsi passed to exc_nmi()
  x86/bitops: Remove unused __sw_hweight64() assembly implementation on x86-32
  x86/percpu: Do not clobber %rsi in percpu_{try_,}cmpxchg{64,128}_op
  x86/percpu: Use raw_cpu_try_cmpxchg() in preempt_count_set()
  x86/percpu: Define raw_cpu_try_cmpxchg and this_cpu_try_cmpxchg()
  x86/percpu: Define {raw,this}_cpu_try_cmpxchg{64,128}
  x86/asm/bitops: Use __builtin_clz{l|ll} to evaluate constant expressions

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