[1/3] cpuidle: powerpc: cpuidle set polling before enabling irqs
Rafael J. Wysocki
rafael at kernel.org
Fri Jun 30 06:38:54 AEST 2017
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?
Thanks,
Rafael
More information about the Linuxppc-dev
mailing list