lkml.org 
[lkml]   [2020]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] riscv: Explicitly specify the build id style in vDSO Makefile again
On Sun, Nov 8, 2020 at 12:37 PM Nathan Chancellor
<natechancellor@gmail.com> wrote:
>
> Commit a96843372331 ("kbuild: explicitly specify the build id style")
> explicitly set the build ID style to SHA1. Commit c2c81bb2f691 ("RISC-V:
> Fix the VDSO symbol generaton for binutils-2.35+") undid this change,
> likely unintentionally.
>
> Restore it so that the build ID style stays consistent across the tree
> regardless of linker.
>
> Fixes: c2c81bb2f691 ("RISC-V: Fix the VDSO symbol generaton for binutils-2.35+")
> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

Thanks for the fixup!

Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

(I'm curious what --build-id linker flag does, and what kind of spooky
bugs that led to a96843372331?)

> ---
> arch/riscv/kernel/vdso/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
> index cb8f9e4cfcbf..0cfd6da784f8 100644
> --- a/arch/riscv/kernel/vdso/Makefile
> +++ b/arch/riscv/kernel/vdso/Makefile
> @@ -44,7 +44,7 @@ SYSCFLAGS_vdso.so.dbg = $(c_flags)
> $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE
> $(call if_changed,vdsold)
> SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
> - -Wl,--build-id -Wl,--hash-style=both
> + -Wl,--build-id=sha1 -Wl,--hash-style=both
>
> # We also create a special relocatable object that should mirror the symbol
> # table and layout of the linked DSO. With ld --just-symbols we can then
>
> base-commit: c2c81bb2f69138f902e1a58d3bef6ad97fb8a92c
> --
> 2.29.2
>
> --
> You received this message because you are subscribed to the Google Groups "Clang Built Linux" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/20201108203737.94270-1-natechancellor%40gmail.com.



--
Thanks,
~Nick Desaulniers

\
 
 \ /
  Last update: 2020-11-13 01:54    [W:0.049 / U:0.516 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site