From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753240AbaBYKFn (ORCPT ); Tue, 25 Feb 2014 05:05:43 -0500 Received: from merlin.infradead.org ([205.233.59.134]:36420 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752922AbaBYKFk (ORCPT ); Tue, 25 Feb 2014 05:05:40 -0500 Date: Tue, 25 Feb 2014 11:05:10 +0100 From: Peter Zijlstra To: Lai Jiangshan Cc: Tetsuo Handa , akpm@linux-foundation.org, joe@perches.com, keescook@chromium.org, geert@linux-m68k.org, jkosina@suse.cz, viro@zeniv.linux.org.uk, davem@davemloft.net, linux-kernel@vger.kernel.org, Ingo Molnar , Steven Rostedt , Thomas Gleixner Subject: Re: [PATCH] Change task_struct->comm to use RCU. Message-ID: <20140225100510.GH9987@twins.programming.kicks-ass.net> References: <20140207140536.943daf965008b9428cdcb468@linux-foundation.org> <201402081055.BGJ73403.tQMLFVOJSOOFFH@I-love.SAKURA.ne.jp> <20140207180647.5944fe3d.akpm@linux-foundation.org> <201402092327.JAD12489.QOLSFVMHJtFOOF@I-love.SAKURA.ne.jp> <201402102243.IEJ52676.JOFVMOQFOFSLtH@I-love.SAKURA.ne.jp> <201402172027.BFH81210.FJtOQOMLHFSVOF@I-love.SAKURA.ne.jp> <530BF6B4.3040206@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <530BF6B4.3040206@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 25, 2014 at 09:49:40AM +0800, Lai Jiangshan wrote: > >>From ada6c4d94f5afda36c7c21869d38b7111a6fe9bc Mon Sep 17 00:00:00 2001 > > From: Tetsuo Handa > > Date: Mon, 17 Feb 2014 14:32:11 +0900 > > Subject: [PATCH] Change task_struct->comm to use RCU. > > > > This patch changes task_struct->comm to be updated using RCU > > (unless memory allocation fails). This Changelog sucks; it fails to describe a problem; therefore there is no fix and the patch goes away, *poof*.