[PATCH 09/13] powerpc/64s: cpuidle set polling before enabling irqs

[Michael Ellerman]

Nicholas Piggin <npiggin at gmail.com> writes:

> On Wed, 14 Jun 2017 21:40:52 +1000
> Michael Ellerman <mpe at ellerman.id.au> wrote:
>
>> Nicholas Piggin <npiggin at gmail.com> writes:
>> 
>> > 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>
>> > ---
>> >  drivers/cpuidle/cpuidle-powernv.c | 4 +++-
>> >  drivers/cpuidle/cpuidle-pseries.c | 3 ++-
>> >  2 files changed, 5 insertions(+), 2 deletions(-)  
>> 
>> I don't think the cpuidle folks are really interested in these changes,
>> but we should Cc them to be polite.
>> 
>> Can you resend patches 9, 10, 11 with a subject like:
>> 
>>   "cpuidle: powernv: Set polling ..."
>> 
>> And Cc the cpuidle folks:
>> 
>> $ ./scripts/get_maintainer.pl -f drivers/cpuidle
>> rjw at rjwysocki.net
>> daniel.lezcano at linaro.org
>> linux-pm at vger.kernel.org
>> linux-kernel at vger.kernel.org
>
> Yeah I can do that. I'll send them as thier own series. They don't
> depend on any of the patches in this series, so I should have done
> that in the first place.

Great thanks.

cheers