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SubjectRe: [PATCH] powerpc: remove old workaround for GCC < 4.9
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Le 08/04/2021 à 05:05, Masahiro Yamada a écrit :
> According to Documentation/process/changes.rst, the minimum supported
> GCC version is 4.9.
>
> This workaround is dead code.

This workaround is already on the way out, see
https://github.com/linuxppc/linux/commit/802b5560393423166e436c7914b565f3cda9e6b9



>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> ---
>
> arch/powerpc/Makefile | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
> index 5f8544cf724a..32dd693b4e42 100644
> --- a/arch/powerpc/Makefile
> +++ b/arch/powerpc/Makefile
> @@ -181,12 +181,6 @@ CC_FLAGS_FTRACE := -pg
> ifdef CONFIG_MPROFILE_KERNEL
> CC_FLAGS_FTRACE += -mprofile-kernel
> endif
> -# Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8
> -# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199
> -# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828
> -ifndef CONFIG_CC_IS_CLANG
> -CC_FLAGS_FTRACE += $(call cc-ifversion, -lt, 0409, -mno-sched-epilog)
> -endif
> endif
>
> CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
>

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