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Fix kernel compilation when using the LLVM integrated assembly.

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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
 "Fix kernel compilation when using the LLVM integrated assembly.

  A recent commit (2decad92f4, "arm64: mte: Ensure TIF_MTE_ASYNC_FAULT
  is set atomically") broke the kernel build when using the LLVM
  integrated assembly (only noticeable with clang-12 as MTE is not
  supported by earlier versions and the code in question not compiled).
  The Fixes: tag in the commit refers to the original patch introducing
  subsections for the alternative code sequences"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: alternatives: Move length validation in alternative_{insn, endif}
This commit is contained in:
Linus Torvalds 2021-04-16 09:45:30 -07:00
commit 06c2aac401
1 changed files with 4 additions and 4 deletions
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8
arch/arm64/include/asm/alternative-macros.h
View File

@ -97,9 +97,9 @@
.popsection
.subsection 1
663: \insn2
664: .previous
.org . - (664b-663b) + (662b-661b)
664: .org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.previous
.endif
.endm
@ -169,11 +169,11 @@
*/
.macro alternative_endif
664:
.org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.if .Lasm_alt_mode==0
.previous
.endif
.org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.endm
/*