From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965322AbbJ0UWx (ORCPT ); Tue, 27 Oct 2015 16:22:53 -0400 Received: from ns.lynxeye.de ([87.118.118.114]:56598 "EHLO lynxeye.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965215AbbJ0UWv (ORCPT ); Tue, 27 Oct 2015 16:22:51 -0400 Message-ID: <1445977362.2535.1.camel@lynxeye.de> Subject: Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change From: Lucas Stach To: Daniel Lezcano , Thomas Gleixner Cc: Stephen Warren , Thierry Reding , Alexandre Courbot , linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org Date: Tue, 27 Oct 2015 21:22:42 +0100 In-Reply-To: <562F4EA3.7000202@linaro.org> References: <1445787630-13251-1-git-send-email-dev@lynxeye.de> <562F4EA3.7000202@linaro.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 (3.16.5-3.fc22) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag, den 27.10.2015, 11:14 +0100 schrieb Daniel Lezcano: > On 10/25/2015 04:40 PM, Lucas Stach wrote: > > Allow the timer core to change the smp affinity of the broadcast > > timer > > irq by setting CLOCK_EVT_FEAT_DYNIRQ flag. > > > > This reduces interrupt pressure and wakeups on CPU0 as well as > > vastly > > reducing the number of timer broadcast IPIs. > > Did you test this patch on a tegra2 ? > Yes, I haven't spotted anything bad, but don't know if I should look out for specific oddities? Regards, Lucas