Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753498AbaLDJ0f (ORCPT ); Thu, 4 Dec 2014 04:26:35 -0500 Received: from smtprelay0043.hostedemail.com ([216.40.44.43]:55489 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752526AbaLDJ0c (ORCPT ); Thu, 4 Dec 2014 04:26:32 -0500 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::::::::::::::::::::,RULES_HIT:41:355:379:541:599:973:988:989:1260:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1538:1568:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:2828:3138:3139:3140:3141:3142:3622:3865:3867:3868:3870:3871:4321:4605:5007:6119:6261:6742:8603:10004:10400:10848:11026:11232:11658:11914:12043:12517:12519:12555:12740:13069:13311:13357:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: steel14_1b7c37cf6343b X-Filterd-Recvd-Size: 1965 Message-ID: <1417685187.2721.1.camel@perches.com> Subject: Re: [PATCH] x86: bpf_jit_comp: simplify trivial boolean return From: Joe Perches To: Alexei Starovoitov Cc: David Laight , Quentin Lambert , "David S. Miller" , Alexey Kuznetsov , James Morris , Hideaki YOSHIFUJI , Patrick McHardy , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "x86@kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Date: Thu, 04 Dec 2014 01:26:27 -0800 In-Reply-To: <1417114175.4305.3.camel@perches.com> References: <1417032059.16355.4.camel@perches.com> <063D6719AE5E284EB5DD2968C1650D6D1C9FDA63@AcuExch.aculab.com> <1417114175.4305.3.camel@perches.com> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.12.7-0ubuntu1 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 On Thu, 2014-11-27 at 10:49 -0800, Joe Perches wrote: > On Thu, 2014-11-27 at 12:25 +0000, David Laight wrote: > > Why the change in data? > > btw: without gcov and using -O2 > > $ size arch/x86/net/bpf_jit_comp.o* > text data bss dec hex filename > 9671 4 0 9675 25cb arch/x86/net/bpf_jit_comp.o.new > 10679 4 0 10683 29bb arch/x86/net/bpf_jit_comp.o.old Alexei? Is this 10% reduction in size a good reason to change the code? -- 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/