diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-09-06 15:43:02 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2014-09-13 18:38:07 +0200 |
| commit | c5c38ef3d70377dc504a6a3f611a3ec814bc757b (patch) | |
| tree | a2ff73cef2176bc5a94b7ed4944915102428b52e /include/linux/irq_work.h | |
| parent | a80e49e2cc3145af014a8ae44f575829cc236192 (diff) | |
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>
Diffstat (limited to 'include/linux/irq_work.h')
| -rw-r--r-- | include/linux/irq_work.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h index bf9422c3aefe..6b47b2ede405 100644 --- a/include/linux/irq_work.h +++ b/include/linux/irq_work.h @@ -42,6 +42,8 @@ void irq_work_run(void); void irq_work_sync(struct irq_work *work); #ifdef CONFIG_IRQ_WORK +#include <asm/irq_work.h> + bool irq_work_needs_cpu(void); #else static inline bool irq_work_needs_cpu(void) { return false; } |