Re: [PATCH 5/8] nohz: Restart the tick from irq exit

[Peter Zijlstra]

On Thu, Jun 11, 2015 at 07:36:05PM +0200, Frederic Weisbecker wrote:
> Restart the tick when necessary from the irq exit path. It makes nohz
> full more flexible and allow it to piggyback the tick restart on the
> scheduler IPI in the future instead of sending a dedicated IPI that
> often doubles the scheduler IPI on task wakeup. This will require
> careful review of resched_curr() callers.

This seems to assume schedule_ipi() callers use irq_exit(), this is
false.
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