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

From	Rik van Riel <riel@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 5/8] nohz: Restart the tick from irq exit
Date	2015-06-11 22:50 +0200
Message-ID	<pAhAe-fl-9@gated-at.bofh.it> (permalink)
References	<pAeCm-4hX-1@gated-at.bofh.it> <pAeM2-4tI-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 06/11/2015 01:36 PM, 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.
> 
> Cc: Christoph Lameter <cl@linux.com>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc; John Stultz <john.stultz@linaro.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Viresh Kumar <viresh.kumar@linaro.org>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

Reviewed-by: Rik van Riel <riel@redhat.com>

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Re: [PATCH 5/8] nohz: Restart the tick from irq exit Rik van Riel <riel@redhat.com> - 2015-06-11 22:50 +0200

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