With lazy interrupt, some implementations of hotplug will
get some interrupts even while offline, just ignore these.
Signed-off-by: Tiejun Chen <tiejun.c...@windriver.com>
---
arch/powerpc/kernel/irq.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 4f97fe3..dbca574 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -144,6 +144,12 @@ notrace unsigned int __check_irq_replay(void)
*/
unsigned char happened = local_paca->irq_happened;
+ /* Some implementations of hotplug will get some interrupts while
+ * offline, just ignore these.
+ */
+ if (cpu_is_offline(smp_processor_id()))
+ return 0;
+
/* Clear bit 0 which we wouldn't clear otherwise */
local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS;
--
1.7.9.5
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