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x86/purgatory: Disable CFI

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Disable CONFIG_CFI_CLANG for the stand-alone purgatory.ro.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-22-samitolvanen@google.com
This commit is contained in:
Sami Tolvanen 2022-09-08 14:55:03 -07:00 committed by Kees Cook
parent ccace936ee
commit a4b7a12c55
1 changed files with 4 additions and 0 deletions
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4
arch/x86/purgatory/Makefile
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@ -55,6 +55,10 @@ ifdef CONFIG_RETPOLINE
PURGATORY_CFLAGS_REMOVE += $(RETPOLINE_CFLAGS)
endif
ifdef CONFIG_CFI_CLANG
PURGATORY_CFLAGS_REMOVE += $(CC_FLAGS_CFI)
endif
CFLAGS_REMOVE_purgatory.o += $(PURGATORY_CFLAGS_REMOVE)
CFLAGS_purgatory.o += $(PURGATORY_CFLAGS)