Re: Patch "s390/vdso: Create .build-id links for unstripped vdso files" has been added to the 6.1-stable tree

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On Fri, May 31, 2024 at 4:16 AM Sasha Levin <sashal@xxxxxxxxxx> wrote:
>
> This is a note to let you know that I've just added the patch titled
>
>     s390/vdso: Create .build-id links for unstripped vdso files
>
> to the 6.1-stable tree which can be found at:
>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>
> The filename of the patch is:
>      s390-vdso-create-.build-id-links-for-unstripped-vdso.patch
> and it can be found in the queue-6.1 subdirectory.
>
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@xxxxxxxxxxxxxxx> know about it.
>
>
>
> commit e5fcc928a0c3c2fe5e6e2c66a16b7d67334fac02
> Author: Jens Remus <jremus@xxxxxxxxxxxxx>
> Date:   Mon Apr 29 17:02:53 2024 +0200
>
>     s390/vdso: Create .build-id links for unstripped vdso files
>
>     [ Upstream commit fc2f5f10f9bc5e58d38e9fda7dae107ac04a799f ]
>
>     Citing Andy Lutomirski from commit dda1e95cee38 ("x86/vdso: Create
>     .build-id links for unstripped vdso files"):
>
>     "With this change, doing 'make vdso_install' and telling gdb:
>
>     set debug-file-directory /lib/modules/KVER/vdso
>
>     will enable vdso debugging with symbols.  This is useful for
>     testing, but kernel RPM builds will probably want to manually delete
>     these symlinks or otherwise do something sensible when they strip
>     the vdso/*.so files."
>
>     Fixes: 4bff8cb54502 ("s390: convert to GENERIC_VDSO")


I doubt this Fixes tag.

I do not think this is a bug fix.
Its prerequisites are not suitable for stable either.











>     Signed-off-by: Jens Remus <jremus@xxxxxxxxxxxxx>
>     Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
>     Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
>
> diff --git a/scripts/Makefile.vdsoinst b/scripts/Makefile.vdsoinst
> index c477d17b0aa5b..a81ca735003e4 100644
> --- a/scripts/Makefile.vdsoinst
> +++ b/scripts/Makefile.vdsoinst
> @@ -21,7 +21,7 @@ $$(dest): $$(src) FORCE
>         $$(call cmd,install)
>
>  # Some architectures create .build-id symlinks
> -ifneq ($(filter arm sparc x86, $(SRCARCH)),)
> +ifneq ($(filter arm s390 sparc x86, $(SRCARCH)),)
>  link := $(install-dir)/.build-id/$$(shell $(READELF) -n $$(src) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p').debug
>
>  __default: $$(link)



--
Best Regards
Masahiro Yamada





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