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SubjectRe: [PATCH] ARM: VDSO: Drop implicit common-page-size linker flag
On Mon, Dec 10, 2018 at 2:32 PM <ndesaulniers@google.com> wrote:
>
> GNU linker's -z common-page-size's default value is based on the target
> architecture. arch/arm/vdso/Makefile sets it to the architecture
> default, which is implicit and redundant. Drop it.
>
> Link: https://lkml.kernel.org/r/20181206191231.192355-1-ndesaulniers@google.com
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
> ---
> arch/arm/vdso/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
> index f4efff9d3afb..8f2fac5acbc8 100644
> --- a/arch/arm/vdso/Makefile
> +++ b/arch/arm/vdso/Makefile
> @@ -11,7 +11,7 @@ ccflags-y := -fPIC -fno-common -fno-builtin -fno-stack-protector
> ccflags-y += -DDISABLE_BRANCH_PROFILING
>
> VDSO_LDFLAGS := -Wl,-Bsymbolic -Wl,--no-undefined -Wl,-soname=linux-vdso.so.1
> -VDSO_LDFLAGS += -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
> +VDSO_LDFLAGS += -Wl,-z,max-page-size=4096
> VDSO_LDFLAGS += -nostdlib -shared
> VDSO_LDFLAGS += $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
> VDSO_LDFLAGS += $(call cc-ldoption, -Wl$(comma)--build-id)
> --
> 2.20.0.rc2.403.gdbc3b29805-goog
>

Bumping for review. This option has been removed from all other architectures.

--
Thanks,
~Nick Desaulniers

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