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SubjectRe: [PATCH 0/8] nohz: Fix nohz kick irq work on tick v2
On Thu, Sep 11, 2014 at 10:28:12AM +0200, Peter Zijlstra wrote:
> On Wed, Sep 10, 2014 at 11:33:20PM +0200, Frederic Weisbecker wrote:
>
> > Frederic Weisbecker (7):
> > nohz: Move nohz full init call to tick init
> > irq_work: Force raised irq work to run on irq work interrupt
> > x86: Tell irq work about self IPI support
> > arm: Tell irq work about self IPI support
> > arm64: Tell irq work about self IPI support
> > nohz: Consolidate nohz full init code
> > nohz: nohz full depends on irq work self IPI support
> >
> > Peter Zijlstra (1):
> > irq_work: Introduce arch_irq_work_has_interrupt()
>
> Looks ok to me.
>
> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Intel? :-) Wow.

Thanks a lot!

Note, I fear I'll have to turn the static_cpu_has into cpu_has. The
alternatives code which initialize all static_cpu_has() things
is called from check_bugs() in start_kernel() which is way after
IRQs are enabled for the 1st time. irq_work_tick() has many opportunities
to run in between.


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