powerpc: Rework lazy-interrupt handling

[mirror_ubuntu-zesty-kernel.git] / arch / powerpc / kernel / dbell.c

diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c
index 2cc451aaaca757fa3d851c0e8b5edf8610a281d0..5b25c8060fd67a8ff1ec2ff290af5ec740b6376f 100644 (file)
--- a/arch/powerpc/kernel/dbell.c
+++ b/arch/powerpc/kernel/dbell.c
@@ -37,6 +37,8 @@ void doorbell_exception(struct pt_regs *regs)
 
        irq_enter();
 
+       may_hard_irq_enable();
+
        smp_ipi_demux();
 
        irq_exit();