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Merge tag 'x86-urgent-2025-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 bug fix from Thomas Gleixner:
 "A single fix for a GCC wreckage, which emits a KCSAN instrumentation
  call in __sev_es_nmi_complete() despite the function being annotated
  with 'noinstr'.

  As all functions in that source file are noinstr, exclude the whole
  file from KCSAN in the Makefile to cure it"

* tag 'x86-urgent-2025-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sev: Work around broken noinstr on GCC
This commit is contained in:
Linus Torvalds
2025-07-20 11:27:52 -07:00
parent 92329d578d 6b995d0168
commit 07fa9cad54
1 changed files with 2 additions and 1 deletions
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arch/x86/coco/sev/Makefile
+2 -1
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@@ -5,5 +5,6 @@ obj-y += core.o sev-nmi.o vc-handle.o
# Clang 14 and older may fail to respect __no_sanitize_undefined when inlining
UBSAN_SANITIZE_sev-nmi.o := n
# GCC may fail to respect __no_sanitize_address when inlining
# GCC may fail to respect __no_sanitize_address or __no_kcsan when inlining
KASAN_SANITIZE_sev-nmi.o := n
KCSAN_SANITIZE_sev-nmi.o := n