Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754783Ab2EaOW6 (ORCPT ); Thu, 31 May 2012 10:22:58 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:2339 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752703Ab2EaOW4 (ORCPT ); Thu, 31 May 2012 10:22:56 -0400 X-Authority-Analysis: v=2.0 cv=D8PF24tj c=1 sm=0 a=ZycB6UtQUfgMyuk2+PxD7w==:17 a=XQbtiDEiEegA:10 a=uCChaeT6IvQA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=meVymXHHAAAA:8 a=ayC55rCoAAAA:8 a=VnNF1IyMAAAA:8 a=CjastpgQm507VLERPU0A:9 a=PUjeQqilurYA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.80.29 Message-ID: <1338474158.13348.346.camel@gandalf.stny.rr.com> Subject: Re: [PATCH 1/3] uprobes/core: Remove redundant lock_page/unlock_page From: Steven Rostedt To: Peter Zijlstra Cc: Srikar Dronamraju , Ingo Molnar , Linus Torvalds , Ananth N Mavinakayanahalli , LKML , Oleg Nesterov , Arnaldo Carvalho de Melo , Masami Hiramatsu , Anton Arapov Date: Thu, 31 May 2012 10:22:38 -0400 In-Reply-To: <1338465518.28384.55.camel@twins> References: <20120531114630.23691.33166.sendpatchset@srdronam.in.ibm.com> <1338465518.28384.55.camel@twins> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.2.2-1 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 615 Lines: 18 On Thu, 2012-05-31 at 13:58 +0200, Peter Zijlstra wrote: > On Thu, 2012-05-31 at 17:16 +0530, Srikar Dronamraju wrote: > > From: Srikar Dronamraju > > > > No need to lock the page when copying the opcode in read_opcode(). > > It would be good if the changelog said _why_ this is so :-) I thought the same thing when I read it. -- Steve -- 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/