From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423946AbdD1GVL (ORCPT ); Fri, 28 Apr 2017 02:21:11 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:34849 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1163970AbdD1GVE (ORCPT ); Fri, 28 Apr 2017 02:21:04 -0400 Date: Fri, 28 Apr 2017 08:21:01 +0200 From: Ingo Molnar To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, efault@gmx.de, Thomas Gleixner , Peter Zijlstra Subject: Re: [GIT PULL rcu/urgent] Adjust SRCU auto-expedite default delay Message-ID: <20170428062101.pkvuc2qgwzeep2af@gmail.com> References: <20170427204626.GA21594@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170427204626.GA21594@linux.vnet.ibm.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > Hello, Ingo, > > This series adds a small change to yesterday's pull request, namely > changing the default value of the srcutree.exp_holdoff kernel boot > parameter from 50 microseconds to 25 microseconds. This change completely > eliminates the performance shortfall that Mike Galbraith observed. > This commit is available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/urgent > > for you to fetch changes up to b5fe223a4bd0217a657ff084e48752c367a8a55f: > > srcu: Adjust default auto-expediting holdoff (2017-04-27 08:35:24 -0700) > > ---------------------------------------------------------------- > Paul E. McKenney (1): > srcu: Adjust default auto-expediting holdoff > > kernel/rcu/srcutree.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Pulled, thanks a lot Paul! Ingo