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/asm-generic/irq_work.h | |
| parent | nohz: Move nohz full init call to tick init (diff) | |
| download | linux-c5c38ef3d70377dc504a6a3f611a3ec814bc757b.tar.xz linux-c5c38ef3d70377dc504a6a3f611a3ec814bc757b.zip | |
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/asm-generic/irq_work.h')
| -rw-r--r-- | include/asm-generic/irq_work.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/irq_work.h b/include/asm-generic/irq_work.h new file mode 100644 index 000000000000..a44f452c6590 --- /dev/null +++ b/include/asm-generic/irq_work.h @@ -0,0 +1,10 @@ +#ifndef __ASM_IRQ_WORK_H +#define __ASM_IRQ_WORK_H + +static inline bool arch_irq_work_has_interrupt(void) +{ + return false; +} + +#endif /* __ASM_IRQ_WORK_H */ + |