[1/3] cpuidle: powerpc: cpuidle set polling before enabling irqs

Michael Ellerman mpe at ellerman.id.au
Fri Jun 30 13:45:09 AEST 2017


"Rafael J. Wysocki" <rafael at kernel.org> writes:

> On Thu, Jun 29, 2017 at 2:21 PM, Michael Ellerman
> <patch-notifications at ellerman.id.au> wrote:
>> On Wed, 2017-06-14 at 13:02:39 UTC, Nicholas Piggin wrote:
>>> local_irq_enable can cause interrupts to be taken which could
>>> take significant amount of processing time. The idle process
>>> should set its polling flag before this, so another process that
>>> wakes it during this time will not have to send an IPI.
>>>
>>> Expand the TIF_POLLING_NRFLAG coverage to as large as possible.
>>>
>>> Reviewed-by: Gautham R. Shenoy <ego at linux.vnet.ibm.com>
>>> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
>>
>> Series applied to powerpc next, thanks.
>>
>> https://git.kernel.org/powerpc/c/3fc5ee927ff4ffed6aa2fcd44d2fbf
>
> OK
>
> I've applied it too, so I guess I should drop it?

Erk sorry. I hadn't heard anything so I picked it up.

If you can drop it that would be good, but if not git will probably work
it out mostly :)

cheers


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