Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755627AbbFKUsE (ORCPT ); Thu, 11 Jun 2015 16:48:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43296 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754809AbbFKUsC (ORCPT ); Thu, 11 Jun 2015 16:48:02 -0400 Message-ID: <5579F400.80703@redhat.com> Date: Thu, 11 Jun 2015 16:48:00 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Frederic Weisbecker , LKML CC: Peter Zijlstra , Thomas Gleixner , Preeti U Murthy , Christoph Lameter , Ingo Molnar , Viresh Kumar Subject: Re: [PATCH 5/8] nohz: Restart the tick from irq exit References: <1434044168-23173-1-git-send-email-fweisbec@gmail.com> <1434044168-23173-6-git-send-email-fweisbec@gmail.com> In-Reply-To: <1434044168-23173-6-git-send-email-fweisbec@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1066 Lines: 24 On 06/11/2015 01:36 PM, Frederic Weisbecker wrote: > Restart the tick when necessary from the irq exit path. It makes nohz > full more flexible and allow it to piggyback the tick restart on the > scheduler IPI in the future instead of sending a dedicated IPI that > often doubles the scheduler IPI on task wakeup. This will require > careful review of resched_curr() callers. > > Cc: Christoph Lameter > Cc: Ingo Molnar > Cc; John Stultz > Cc: Peter Zijlstra > Cc: Preeti U Murthy > Cc: Rik van Riel > Cc: Thomas Gleixner > Cc: Viresh Kumar > Signed-off-by: Frederic Weisbecker Reviewed-by: Rik van Riel -- 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/