diff options
| author |   Frederic Weisbecker <fweisbec@gmail.com> | 2014-08-16 18:48:05 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2014-09-13 18:46:13 +0200 |
| commit | 3631073659d0aafeaa52227bb61a100efaf901dc (patch) | |
| tree | c524a0c470c42151d674b501fe84247b67dc7ba3 /arch/arm64/include/asm/irq_work.h | |
| parent | arm: Tell irq work about self IPI support (diff) | |
| download | linux-dev-3631073659d0aafeaa52227bb61a100efaf901dc.tar.xz linux-dev-3631073659d0aafeaa52227bb61a100efaf901dc.zip | |
arm64: Tell irq work about self IPI support
ARM64 irq work self-IPI support depends on __smp_cross_call to point to
some relevant IRQ controller operations. This information should be
available after the call to init_IRQ().
Lets implement arch_irq_work_has_interrupt() accordingly.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'arch/arm64/include/asm/irq_work.h')
| -rw-r--r-- | arch/arm64/include/asm/irq_work.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/irq_work.h b/arch/arm64/include/asm/irq_work.h new file mode 100644 index 000000000000..8e24ef3f7c82 --- /dev/null +++ b/arch/arm64/include/asm/irq_work.h @@ -0,0 +1,11 @@ +#ifndef __ASM_IRQ_WORK_H +#define __ASM_IRQ_WORK_H + +#include <asm/smp.h> + +static inline bool arch_irq_work_has_interrupt(void) +{ + return !!__smp_cross_call; +} + +#endif /* __ASM_IRQ_WORK_H */ |