Re: [PATCH RESEND] um: vdso: remove unused vdso-syms.lds

From: Masahiro Yamada
Date: Sat Jun 02 2018 - 22:38:25 EST


Hi UML maintainers,

2018-05-15 11:37 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
> This file contains symbol values, and was originally linked into
> vmlinux, but I have no idea what it was actually used for.
>
> Since commit 827880ec260b ("x86/um: thin archives build fix"), it is
> not even linked. Now it is completely orphan, and no problem has
> been reported. It is a proof that this file was not needed in the
> first place.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
> ---


Could you take a look at this patch, please?

Thanks.


> The previous post has gone to the moderator
> due to too many recipients.
> I am resending this.
> I hope this is reaching UML maintainers.
>
> arch/x86/um/vdso/.gitignore | 1 -
> arch/x86/um/vdso/Makefile | 16 ----------------
> 2 files changed, 17 deletions(-)
>
> diff --git a/arch/x86/um/vdso/.gitignore b/arch/x86/um/vdso/.gitignore
> index 9cac6d0..f8b69d8 100644
> --- a/arch/x86/um/vdso/.gitignore
> +++ b/arch/x86/um/vdso/.gitignore
> @@ -1,2 +1 @@
> -vdso-syms.lds
> vdso.lds
> diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
> index 1000335..426681e 100644
> --- a/arch/x86/um/vdso/Makefile
> +++ b/arch/x86/um/vdso/Makefile
> @@ -53,22 +53,6 @@ $(vobjs): KBUILD_CFLAGS += $(CFL)
> CFLAGS_REMOVE_vdso-note.o = -pg -fprofile-arcs -ftest-coverage
> CFLAGS_REMOVE_um_vdso.o = -pg -fprofile-arcs -ftest-coverage
>
> -targets += vdso-syms.lds
> -extra-$(VDSO64-y) += vdso-syms.lds
> -
> -#
> -# Match symbols in the DSO that look like VDSO*; produce a file of constants.
> -#
> -sed-vdsosym := -e 's/^00*/0/' \
> - -e 's/^\([0-9a-fA-F]*\) . \(VDSO[a-zA-Z0-9_]*\)$$/\2 = 0x\1;/p'
> -quiet_cmd_vdsosym = VDSOSYM $@
> -define cmd_vdsosym
> - $(NM) $< | LC_ALL=C sed -n $(sed-vdsosym) | LC_ALL=C sort > $@
> -endef
> -
> -$(obj)/%-syms.lds: $(obj)/%.so.dbg FORCE
> - $(call if_changed,vdsosym)
> -
> #
> # The DSO images are built using a special linker script.
> #
> --
> 2.7.4
>



--
Best Regards
Masahiro Yamada