Pull x86 alternatives updates from Borislav Petkov:
"This is basically PeterZ's idea to nest the alternative macros to
avoid the need to "spell out" the number of alternates in an
ALTERNATIVE_n() macro and thus have an ever-increasing complexity in
those definitions.
For ease of bisection, the old macros are converted to the new, nested
variants in a step-by-step manner so that in case an issue is
encountered during testing, one can pinpoint the place where it fails
easier.
Because debugging alternatives is a serious pain"
* tag 'x86_alternatives_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternatives, kvm: Fix a couple of CALLs without a frame pointer
x86/alternative: Replace the old macros
x86/alternative: Convert the asm ALTERNATIVE_3() macro
x86/alternative: Convert the asm ALTERNATIVE_2() macro
x86/alternative: Convert the asm ALTERNATIVE() macro
x86/alternative: Convert ALTERNATIVE_3()
x86/alternative: Convert ALTERNATIVE_TERNARY()
x86/alternative: Convert alternative_call_2()
x86/alternative: Convert alternative_call()
x86/alternative: Convert alternative_io()
x86/alternative: Convert alternative_input()
x86/alternative: Convert alternative_2()
x86/alternative: Convert alternative()
x86/alternatives: Add nested alternatives macros
x86/alternative: Zap alternative_ternary()
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