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SubjectRe: [PATCH 7/7] x86: Tell about irq stack coverage
On Wed, 25 Sep 2013 16:08:20 -0700 Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Wed, Sep 25, 2013 at 9:18 AM, Frederic Weisbecker <fweisbec@gmail.com> wrote:
> > +#ifdef CONFIG_X86_64
> > +# define __ARCH_IRQ_EXIT_ON_IRQ_STACK
> > +#endif
>
> Ok, see the previous email, this should just be a single
>
> select IRQ_EXIT_ON_IRQ_STACK
>
> in under the "config X86_64" header in arch/x86/Kconfig.
>
> And as of right now, this patch series should do it for Power too,
> since I just merged Ben's branch, which contained commit 0366a1c70b89
> ("powerpc/irq: Run softirqs off the top of the irq stack"). Again,
> just a single select in the arch/powerpc/Kconfig gile should be
> sufficient.
>

This happens quite a lot. Perhaps Joe can cook us up a checkpatch
rule. "#define [__]ARCH_HA" looks like a decent search pattern.



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