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Merge tag 'x86-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86/core update from Ingo Molnar:

 - Emit the FineIBT paranoid "cs" prefix as a byte,
   to work around a GNU toolchain build warning (Kees Cook)

* tag 'x86-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kcfi: Emit the FineIBT paranoid "cs" prefix as a byte
This commit is contained in:
Linus Torvalds committed 2026-10-18 07:48:22 -10:00
2 parents 23a38e7bb2 41d1119e2f
commit 53cbbb09c1
1 file changed
+2 -1
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arch/x86/kernel/alternative.c
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@@ -1455,7 +1455,8 @@ asm( ".pushsection .rodata \n"
"fineibt_paranoid_start: \n"
" mov $0x12345678, %eax \n"
" cmpl -11(%r11), %eax \n"
" cs lea -0x10(%r11), %r11 \n"
" .byte 0x2e \n"
" lea -0x10(%r11), %r11 \n"
"#fineibt_caller_size: \n"
" jne fineibt_paranoid_start+0xd \n"
"fineibt_paranoid_ind: \n"