Re: [PATCH] x86/um/vdso: Drop implicit common-page-size linker flag

From: Richard Weinberger
Date: Tue Dec 11 2018 - 07:46:53 EST


Am Montag, 10. Dezember 2018, 23:27:16 CET schrieb ndesaulniers@xxxxxxxxxx:
> GNU linker's -z common-page-size's default value is based on the target
> architecture. arch/x86/entry/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@xxxxxxxxxx
> Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> ---
> arch/x86/um/vdso/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
> index 822ccdba93ad..bf94060fc06f 100644
> --- a/arch/x86/um/vdso/Makefile
> +++ b/arch/x86/um/vdso/Makefile
> @@ -26,7 +26,7 @@ targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y)
> CPPFLAGS_vdso.lds += -P -C
>
> VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
> - -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
> + -Wl,-z,max-page-size=4096

Acked-by: Richard Weinberger <richard@xxxxxx>

Thanks,
//richard