Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754301Ab3CKQ3c (ORCPT ); Mon, 11 Mar 2013 12:29:32 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:60649 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753263Ab3CKQ3a (ORCPT ); Mon, 11 Mar 2013 12:29:30 -0400 Date: Mon, 11 Mar 2013 16:22:55 +0000 From: Russell King - ARM Linux To: Daniel Lezcano Cc: john.stultz@linaro.org, tglx@linutronix.de, viresh.kumar@linaro.org, jacob.jun.pan@linux.intel.com, linux-arm-kernel@lists.infradead.org, santosh.shilimkar@ti.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org, patches@linaro.org, rickard.andersson@stericsson.com, vincent.guittot@linaro.org, linus.walleij@stericsson.com Subject: Re: [PATCH 4/4][V2] ARM: timer-sp: Set dynamic irq affinity Message-ID: <20130311162255.GI4977@n2100.arm.linux.org.uk> References: <1362219013-18173-1-git-send-email-daniel.lezcano@linaro.org> <1362219013-18173-5-git-send-email-daniel.lezcano@linaro.org> <513A03B7.7000004@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <513A03B7.7000004@linaro.org> User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1326 Lines: 35 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 > > > > 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 > > Signed-off-by: Daniel Lezcano > > --- > > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/