Re: [PATCH 2/3] tracing: add more symbols to whitelist

[Marc Zyngier <maz@kernel.org>]

On Thu, 12 Mar 2026 14:37:50 +0000,
"Arnd Bergmann" <arnd@arndb.de> wrote:
> 
> On Thu, Mar 12, 2026, at 14:40, Vincent Donnefort wrote:
> > On Thu, Mar 12, 2026 at 01:35:43PM +0100, Arnd Bergmann wrote:
> >> diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
> 
> >> +UNDEFINED_ALLOWLIST += ftrace_likely_update __hwasan_load __hwasan_store __hwasan_tag_memory
> >> +UNDEFINED_ALLOWLIST += warn_bogus_irq_restore warn_slowpath_fmt __stack_chk_guard
>  
> >
> > Thanks for the patch.
> >
> > Most of those ones are covered here
> > https://lore.kernel.org/all/20260312113535.2213350-1-vdonnefort@google.com/.
> >
> > This should fix allmodconfig.
> 
> The ones I see in that patch look entirely different from the ones
> I found.
> 
> > For the ones not covered, I'm working on a follow-up patch using a different
> > approach which should fix them. I'll be able to share it today or tomorrow. Not
> > sure if we want to take this temporarily?
> 
> I can wait, my randconfig setup has my patch applied locally for now,
> but I've only fixed the ones I saw on three architectures with gcc-16.0.1,
> while Nathan's list seems to be mostly for clang specific symbols.
> 
> A lot of them also don't show up in allmodconfig builds, only after a
> larger number of randconfig configurations.

I've decided to take this patch anyway, on top of Vincent's. Should a
more generic solution arise, I can always drop both.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.