ARM64 irq work 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_own_interrupt() accordingly. Cc: Catalin Iacob <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Dave Jones <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Larry Bassel <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]> --- arch/arm64/kernel/smp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 4743397..b3e8b9e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -534,6 +534,11 @@ void arch_irq_work_raise(void) if (__smp_cross_call) smp_cross_call(cpumask_of(smp_processor_id()), IPI_IRQ_WORK); } + +int __init arch_irq_work_has_own_interrupt(void) +{ + return !!__smp_cross_call; +} #endif static DEFINE_RAW_SPINLOCK(stop_lock); -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
