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
> Signed-off-by: Li Y
On Thu, 2012-09-13 at 13:16 -0500, Kumar Gala wrote:
> >> Yes, we disabled all non-boot CPUs on suspend by calling
> disable_nonboot_cpus().
> >> The disable_nonboot_cpus() needs IPIs to work. But prior to
> >> calling disable_nonboot_cpus(), the IPIs are disabled in
> dpm_suspend_noirq().
Sure, n
On Aug 10, 2012, at 7:40 AM, Kumar Gala wrote:
>
> On Aug 2, 2012, at 5:04 AM, Zhao Chenhui wrote:
>
>> On Sat, Jul 28, 2012 at 08:20:31AM +1000, Benjamin Herrenschmidt wrote:
>>> On Fri, 2012-07-27 at 16:58 -0500, Kumar Gala wrote:
On Jul 20, 2012, at 7:47 AM, Zhao Chenhui wrote:
>>
On Aug 2, 2012, at 5:04 AM, Zhao Chenhui wrote:
> On Sat, Jul 28, 2012 at 08:20:31AM +1000, Benjamin Herrenschmidt wrote:
>> On Fri, 2012-07-27 at 16:58 -0500, Kumar Gala wrote:
>>> On Jul 20, 2012, at 7:47 AM, Zhao Chenhui wrote:
>>>
During suspend, all interrupts including IPI will be dis
On Sat, Jul 28, 2012 at 08:20:31AM +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2012-07-27 at 16:58 -0500, Kumar Gala wrote:
> > 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 proces
On Jul 27, 2012, at 5:20 PM, Benjamin Herrenschmidt wrote:
> On Fri, 2012-07-27 at 16:58 -0500, Kumar Gala wrote:
>> 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 p
On Fri, 2012-07-27 at 16:58 -0500, Kumar Gala wrote:
> 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 IP
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
> Signed-off-by: Li Y
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
Signed-off-by: Li Yang
---
arch/powerpc/kernel/smp.c |2 +-
1 files changed,
