Re: [PATCH v4] ARM: imx: Fix suspend/resume crash with Clang CFI

[Nick Desaulniers]

On Tue, Sep 1, 2026 at 12:46 PM Sami Tolvanen <samitolvanen@xxxxxxxxxx> wrote:
>
> On Sun, Aug 30, 2026 at 9:24 AM Yo'av Moshe <linux@xxxxxxxxxxxxx> wrote:
> >
> > The sashiko-bot's comment on v5 indeed pointed out that imx5, at91 and
> > omap1 might suffer from the same bug: their suspend routines are also
> > fncpy()'d into SRAM without a type hash and called indirectly. They're
> > all ARM, so asm/linkage.h still seems like the right place for the
> > macro.
> >
> > Do you think these need to be fixed as part of this patch, or as
> > follow-ups? I only have my one imx6 device (a Kobo Clara HD), so I'm not
> > sure how to test the fixes for the others.
>
> I think separate patches for the others should be fine.

Without devices in hand to test on, I'd be hesitant to claim 100%
confidence. Maybe reach out to the MAINTAINERS of those, and see if
they have cycles to help test potential patches, before
writing/sending patches that potentially don't get tested?

-- 
Thanks,
~Nick Desaulniers