Re: [PATCH v9 0/6] x86/vdso: VDSO updates and fixes for sframes
From: Jens Remus
Date: Tue Mar 10 2026 - 09:52:11 EST
On 2/11/2026 3:13 PM, Jens Remus wrote:
>
> This enables generation of SFrame V3 stack trace information for VDSO on
> x86-64. It's a continuation of Josh's and Steve's work:
>
> https://lore.kernel.org/all/cover.1737511963.git.jpoimboe@xxxxxxxxxx/
> https://lore.kernel.org/all/20250425023750.669174660@xxxxxxxxxxx/
>
> This series focuses only on the VDSO code. They are helpful fixes
> and updates that doesn't rely on sframes (although the last patch
> is sframe related).
>
> This series applies on top of tip:x86/entry:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry
>
> Like the unwind user sframe series [1] it depends on the binutils 2.46
> release to be used to build the VDSO with SFrame V3 stack trace
> information (using the assembler option --gsframe-3).
>
> [1]: [PATCH v13 00/18] unwind_deferred: Implement sframe handling,
> https://lore.kernel.org/all/20260127150554.2760964-1-jremus@xxxxxxxxxxxxx/
>
> Changes in v9 (see indivicual patch notes):
> - Always define KEEP_SFRAME to either true/false in specific VDSO linker
> scripts and use #if instead of #ifdef in common one. (Peter)
> - Reword patch 6 commit message to provide more details.
> - Note: Binutils 2.46 with SFrame V3 support has been released.
Hello H. Peter,
how do we proceed with this series? I got your Acked-by for all but the
last patch, which has all of your review feedback integrated in v9. Is
there a different tree I should rebase it on?
Thanks and regards,
Jens
--
Jens Remus
Linux on Z Development (D3303)
jremus@xxxxxxxxxx / jremus@xxxxxxxxxxxxx
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