From: Peter Zijlstra <peterz@infradead.org>
Date: Sat, 6 Sep 2014 13:43:02 +0000 (+0200)
Subject: irq_work: Introduce arch_irq_work_has_interrupt()
X-Git-Tag: fixes-against-v3.18-rc2~143^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5c38ef3d70377dc504a6a3f611a3ec814bc757b;p=pandora-kernel.git

irq_work: Introduce arch_irq_work_has_interrupt()

The nohz full code needs irq work to trigger its own interrupt so that
the subsystem can work even when the tick is stopped.

Lets introduce arch_irq_work_has_interrupt() that archs can override to
tell about their support for this ability.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---

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