Re: [PATCH v2] kcsan: Silence -Wmaybe-uninitialized when calling __kcsan_check_access()

[Marco Elver]

On Thu, 30 Apr 2026 at 15:35, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> On Thu, Apr 30, 2026, at 15:30, Marco Elver wrote:
> > On Wed, 22 Apr 2026 at 14:53, Marco Elver <elver@xxxxxxxxxx> wrote:
>
> >>
> >> Link: https://lore.kernel.org/all/5da10cca-875b-418d-b54e-6be3ea32c266@xxxxxxxxxxxxxxxx/ [1]
> >> Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
> >> Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
> >
> > Arnd, are you ok with this version?
> >
> > I don't think there's a simpler option - the name "absolute_pointer"
> > might be misleading, but the underlying RELOC_HIDE is what we need
> > here. Could use RELOC_HIDE directly.
> >
> > The attribute would have been nice, but comes with a whole set of new
> > problems. :-/
>
> Agreed, I had tried a few things but haven't been able to come up
> with anything better than this or my original patch.
>
> I've tested this version in my randconfig tree using gcc-16
> and found no more regressions.
>
> Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
> Tested-by: Arnd Bergmann <arnd@xxxxxxxx>

Thanks, I've applied it to the kcsan tree.