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SubjectRe: [PATCH v4 10/15] x86/purgatory: Disable CFI
On Thu, Sep 30, 2021 at 11:06 AM Sami Tolvanen <samitolvanen@google.com> wrote:
>
> 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>

> ---
> arch/x86/purgatory/Makefile | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
> index 95ea17a9d20c..911954fec31c 100644
> --- a/arch/x86/purgatory/Makefile
> +++ b/arch/x86/purgatory/Makefile
> @@ -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)
>
> --
> 2.33.0.800.g4c38ced690-goog
>


--
Thanks,
~Nick Desaulniers

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