On Jul 20, 2012, at 7:47 AM, Zhao Chenhui wrote: > 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.z...@freescale.com> > Signed-off-by: Li Yang <le...@freescale.com> > --- > arch/powerpc/kernel/smp.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-)
BenH, Can you ack? - k > > diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c > index fecb038..d26bbf8 100644 > --- a/arch/powerpc/kernel/smp.c > +++ b/arch/powerpc/kernel/smp.c > @@ -171,7 +171,7 @@ int smp_request_message_ipi(int virq, int msg) > } > #endif > err = request_irq(virq, smp_ipi_action[msg], > - IRQF_PERCPU | IRQF_NO_THREAD, > + IRQF_PERCPU | IRQF_NO_THREAD | IRQF_NO_SUSPEND, > smp_ipi_name[msg], 0); > WARN(err < 0, "unable to request_irq %d for %s (rc %d)\n", > virq, smp_ipi_name[msg], err); > -- > 1.6.4.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
