powerpc/smp: Do not disable IPI interrupts during suspend
authorZhao Chenhui <chenhui.zhao@freescale.com>
Fri, 20 Jul 2012 12:47:01 +0000 (20:47 +0800)
committerKumar Gala <galak@kernel.crashing.org>
Wed, 19 Sep 2012 13:38:16 +0000 (08:38 -0500)
commite6651de9cc701ab4829b3a11a7ace85a79405d32
treeaf54ca67285b6a13b5ca4405d8372e60b986ccb4
parentcaa1d631fc99940f866480c2bb88a6f5a235e7a2
powerpc/smp: Do not disable IPI interrupts during suspend

During suspend, all interrupts including IPI will be disabled. In this case,
the suspend process will hang in SMP. To prevent this, pass the flag
IRQF_NO_SUSPEND when requesting IPI irq.

Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/kernel/smp.c