From mboxrd@z Thu Jan 1 00:00:00 1970 From: rickard.andersson@stericsson.com (Rickard Andersson) Date: Fri, 1 Mar 2013 14:28:18 +0100 Subject: [PATCH 3/4] ARM: nomadik: add dynamic irq flag to the timer In-Reply-To: References: <1361917047-29230-1-git-send-email-daniel.lezcano@linaro.org> <1361917047-29230-4-git-send-email-daniel.lezcano@linaro.org> Message-ID: <5130ACF2.6070005@stericsson.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 03/01/2013 09:56 AM, Vincent Guittot wrote: > On 1 March 2013 02:13, Linus Walleij wrote: >> On Tue, Feb 26, 2013 at 11:17 PM, Daniel Lezcano >> wrote: >> >>> Add the dynamic irq affinity feature to the timer clock device. >>> >>> Signed-off-by: Daniel Lezcano >> 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