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SubjectRe: [PATCH 1/9] mm: Hardened usercopy
On Thu, 7 Jul 2016, Kees Cook wrote:
> On Thu, Jul 7, 2016 at 3:42 AM, Thomas Gleixner <> wrote:
> > I'd rather make that a weak function returning 1 which can be replaced by
> > x86 for CONFIG_FRAME_POINTER=y. That also allows other architectures to
> > implement their specific frame checks.
> Yeah, though I prefer CONFIG-controlled stuff over weak functions, but
> I agree, something like arch_check_stack_frame(...) or similar. I'll
> build something for this on the next revision.

I'm fine with CONFIG_CONTROLLED as long as the ifdeffery is limited to header



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