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SubjectRe: [PATCH v3] add param that allows bootline control of hardened usercopy
Hi Kees,

On Mon, Jul 2, 2018 at 8:44 PM Kees Cook <> wrote:
> On Sat, Jun 30, 2018 at 1:43 PM, Christoph von Recklinghausen
> <> wrote:
> > The last issue I'm chasing is build failures on ARCH=m68k. The error is
> > atomic_read and friends needed by the jump label code not being found.
> > The config has CONFIG_BROKEN_ON_SMP=y, so the jump label calls I added
> > will only be made #ifndef CONFIG_BROKEN_ON_SMP. Do you think that's
> > worth a mention in the blurb that's added to
> > Documentation/admin-guide/kernel-parameters.txt?
> Uhm, that's weird -- I think the configs on m68k need fixing then? I
> don't want to have to sprinkle that ifdef in generic code.

depends on BROKEN || !SMP
default y

So BROKEN_ON_SMP=y if SMP=n, i.e. not an issue?



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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