Messages in this thread | | | Date | Mon, 11 Mar 2013 16:22:55 +0000 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH 4/4][V2] ARM: timer-sp: Set dynamic irq affinity |
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On Fri, Mar 08, 2013 at 04:28:55PM +0100, Daniel Lezcano wrote: > On 03/02/2013 11:10 AM, Daniel Lezcano wrote: > > From: Viresh Kumar <viresh.kumar@linaro.org> > > > > When a cpu goes to a deep idle state where its local timer is shutdown, it > > notifies the time frame work to use the broadcast timer instead. > > > > Unfortunately, the broadcast device could wake up any CPU, including an idle one > > which is not concerned by the wake up at all. > > > > This implies, in the worst case, an idle CPU will wake up to send an IPI to > > another idle cpu. > > > > This patch fixes this for ARM platforms using timer-sp, by setting > > CLOCK_EVT_FEAT_DYNIRQ feature. > > > > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> > > --- > > Hi Russell, > > I asked Thomas if he could take this patch in its tree but it falls > under your umbrella. Thomas agreed to take it if you ack this patch. > > Is this patch acceptable for you ?
It's simple enough.
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
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