Re: [PATCH v2 4/7] Revert "arm64: vdso: Fix compilation with clang older than 8"

From: Nathan Chancellor
Date: Tue Sep 01 2020 - 00:56:50 EST


On Mon, Aug 31, 2020 at 05:23:23PM -0700, Nick Desaulniers wrote:
> This reverts commit 3acf4be235280f14d838581a750532219d67facc.
>
> The minimum supported version of clang is clang 10.0.1.
>
> Suggested-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

> ---
> arch/arm64/kernel/vdso/Makefile | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
> index 45d5cfe46429..04021a93171c 100644
> --- a/arch/arm64/kernel/vdso/Makefile
> +++ b/arch/arm64/kernel/vdso/Makefile
> @@ -43,13 +43,6 @@ ifneq ($(c-gettimeofday-y),)
> CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y)
> endif
>
> -# Clang versions less than 8 do not support -mcmodel=tiny
> -ifeq ($(CONFIG_CC_IS_CLANG), y)
> - ifeq ($(shell test $(CONFIG_CLANG_VERSION) -lt 80000; echo $$?),0)
> - CFLAGS_REMOVE_vgettimeofday.o += -mcmodel=tiny
> - endif
> -endif
> -
> # Disable gcov profiling for VDSO code
> GCOV_PROFILE := n
>
> --
> 2.28.0.402.g5ffc5be6b7-goog
>