From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755422Ab1JWLf7 (ORCPT ); Sun, 23 Oct 2011 07:35:59 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:56043 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754586Ab1JWLf6 (ORCPT ); Sun, 23 Oct 2011 07:35:58 -0400 Date: Sun, 23 Oct 2011 13:34:22 +0200 From: Ingo Molnar To: Martin Schwidefsky Cc: Linus Torvalds , Simon Kirby , Peter Zijlstra , Linux Kernel Mailing List , Dave Jones , Thomas Gleixner Subject: Re: Linux 3.1-rc9 Message-ID: <20111023113422.GD5156@elte.hu> References: <20111007070842.GA27555@hostway.ca> <20111007174848.GA11011@hostway.ca> <1318010515.398.8.camel@twins> <20111008005035.GC22843@hostway.ca> <1318060551.8395.0.camel@twins> <20111012213555.GC24461@hostway.ca> <20111013232521.GA5654@hostway.ca> <20111020163609.16816e78@de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111020163609.16816e78@de.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Martin Schwidefsky wrote: > +#define cputime_zero ((__force cputime_t) 0ULL) > +#define cputime64_zero ((__force cputime64_t) 0ULL) Hm, why are these still needed? This: if (*newval == cputime_zero) return; Could be written as the much simpler: if (!*newval) return; with no ill effect that i can see. Thanks, Ingo