linux-kernel - Re: [1/3] cpuidle: powerpc: cpuidle set polling before enabling irqs

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Message-ID: <CAJZ5v0g2DMRcL78k2+qA0svxGqtt-sTW2BpcfvRjU-=iCBjEYg@mail.gmail.com>
Date:   Thu, 29 Jun 2017 22:38:54 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Michael Ellerman <patch-notifications@...erman.id.au>
Cc:     Nicholas Piggin <npiggin@...il.com>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        "Gautham R . Shenoy" <ego@...ux.vnet.ibm.com>,
        Linux PM <linux-pm@...r.kernel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [1/3] cpuidle: powerpc: cpuidle set polling before enabling irqs

On Thu, Jun 29, 2017 at 2:21 PM, Michael Ellerman
<patch-notifications@...erman.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@...ux.vnet.ibm.com>
>> Signed-off-by: Nicholas Piggin <npiggin@...il.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