From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753682AbbJOPkg (ORCPT ); Thu, 15 Oct 2015 11:40:36 -0400 Received: from mail-qk0-f176.google.com ([209.85.220.176]:32988 "EHLO mail-qk0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753659AbbJOPkb (ORCPT ); Thu, 15 Oct 2015 11:40:31 -0400 Subject: Re: [PATCH] clocksource/imx: allow timer irq affinity change To: Lucas Stach , Thomas Gleixner References: <1444814657-16339-1-git-send-email-l.stach@pengutronix.de> Cc: Shawn Guo , kernel@pengutronix.de, patchwork-lst@pengutronix.de, linux-kernel@vger.kernel.org From: Daniel Lezcano Message-ID: <561FC8EB.5060706@linaro.org> Date: Thu, 15 Oct 2015 17:40:27 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <1444814657-16339-1-git-send-email-l.stach@pengutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/14/2015 11:24 AM, Lucas Stach wrote: > Allow the timer core to change the smp affinity of the broadcast timer > irq by setting CLOCK_EVT_FEAT_DYNIRQ flag. For this to work the timer > core needs to be told about the used irq. > > This reduces interrupt pressure and wakeups on CPU0 as well as vastly > reducing the number of timer broadcast IPIs. > > Signed-off-by: Lucas Stach > --- Applied on my tree for 4.4 Thanks ! -- Daniel -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog