diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 50538e1b2eb7..33c722fbc22a 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -125,6 +125,7 @@ config ARM64 select GENERIC_FIND_FIRST_BIT select GENERIC_IDLE_POLL_SETUP select GENERIC_IRQ_IPI + select ARCH_WANTS_IRQ_RAW select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW_LEVEL diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 42fb5ae54218..592346f5b6c2 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -1000,7 +1000,12 @@ void __init set_smp_ipi_range(int ipi_base, int n) WARN_ON(err); ipi_desc[i] = irq_to_desc(ipi_base + i); - irq_set_status_flags(ipi_base + i, IRQ_HIDDEN); + + if (i != IPI_RESCHEDULE) + irq_set_status_flags(ipi_base + i, IRQ_HIDDEN); + else + /* The recheduling IPI is special... */ + irq_set_status_flags(ipi_base + i, IRQ_HIDDEN|IRQ_RAW); } ipi_irq_base = ipi_base;