From: Rickard Andersson <rickard.andersson@stericsson.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
"john.stultz@linaro.org" <john.stultz@linaro.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"jacob.jun.pan@linux.intel.com" <jacob.jun.pan@linux.intel.com>,
Linus WALLEIJ <linus.walleij@stericsson.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"viresh.kumar@linaro.org" <viresh.kumar@linaro.org>,
"patches@linaro.org" <patches@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/4] ARM: nomadik: add dynamic irq flag to the timer
Date: Fri, 1 Mar 2013 14:28:18 +0100 [thread overview]
Message-ID: <5130ACF2.6070005@stericsson.com> (raw)
In-Reply-To: <CAKfTPtA=7pTPrwFHr61WiffXGv2Ztmaiji5q_vJpPj9XgyeZMg@mail.gmail.com>
On 03/01/2013 09:56 AM, Vincent Guittot wrote:
> On 1 March 2013 02:13, Linus Walleij<linus.walleij@linaro.org> wrote:
>> On Tue, Feb 26, 2013 at 11:17 PM, Daniel Lezcano
>> <daniel.lezcano@linaro.org> wrote:
>>
>>> Add the dynamic irq affinity feature to the timer clock device.
>>>
>>> Signed-off-by: Daniel Lezcano<daniel.lezcano@linaro.org>
>> Looks reasonable to me, sadly I do not fully grasp the patch set,
>> Vincent+Rickard can you have a look at this?
> ux500 is able to trig the wake up on one CPU and let the other one in
> WFI. This patch will minimize the spurious wake up of CPU0 when CPU1
> is the target CPU of the broadcast timer. One main consequence is that
> we will not uselessly execute all the deferrable and newly idle
> activities on the CPU0 .
>
> you can add my reviewed-by if you want
>
> Vincent
>
It looks ok to me as well.
BR
Rickard
next prev parent reply other threads:[~2013-03-01 13:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 22:17 [PATCH 0/4] time: dynamic irq affinity Daniel Lezcano
2013-02-26 22:17 ` [PATCH 1/4] time : pass broadcast parameter Daniel Lezcano
2013-02-27 5:09 ` Santosh Shilimkar
2013-02-26 22:17 ` [PATCH 2/4] time : set broadcast irq affinity Daniel Lezcano
2013-02-27 5:33 ` Santosh Shilimkar
2013-02-26 22:17 ` [PATCH 3/4] ARM: nomadik: add dynamic irq flag to the timer Daniel Lezcano
2013-03-01 1:13 ` Linus Walleij
2013-03-01 8:56 ` Vincent Guittot
2013-03-01 13:28 ` Rickard Andersson [this message]
2013-02-26 22:17 ` [PATCH 4/4] ARM: timer-sp: Set dynamic irq affinity Daniel Lezcano
2013-02-27 4:56 ` Santosh Shilimkar
2013-02-27 4:59 ` Viresh Kumar
2013-02-27 5:04 ` Santosh Shilimkar
2013-02-27 6:00 ` [PATCH 0/4] time: " Santosh Shilimkar
2013-02-27 10:47 ` Russell King - ARM Linux
2013-02-27 22:00 ` Thomas Gleixner
2013-03-10 17:33 ` Santosh Shilimkar
2013-03-10 18:22 ` Daniel Lezcano
2013-03-11 3:24 ` Santosh Shilimkar
2013-03-11 8:40 ` Daniel Lezcano
2013-03-11 9:12 ` Santosh Shilimkar
2013-03-11 9:28 ` Rickard Andersson
2013-03-11 10:29 ` Santosh Shilimkar
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