tree a2ff73cef2176bc5a94b7ed4944915102428b52e
parent a80e49e2cc3145af014a8ae44f575829cc236192
author Peter Zijlstra <peterz@infradead.org> 1410010982 +0200
committer Frederic Weisbecker <fweisbec@gmail.com> 1410626287 +0200

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>