Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753202Ab1CYTbi (ORCPT ); Fri, 25 Mar 2011 15:31:38 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:36965 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752443Ab1CYTbg (ORCPT ); Fri, 25 Mar 2011 15:31:36 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=GuQeC3z+HLCs/Q+YsqO2tluQLkveHk8BaOz/ArUlErYXaEGkYqxFD08zmTdC6gmUGU 3Lnk+o4PPP8eIJJndXDxz/9rF/u3IXLWaMQ9jOMKCYO3cTx0HRlhUhr9MQgv2rfRtjGa u+JjWef31aBcp3jNU+O9PW3D4lxeKKnLCHT0g= Date: Fri, 25 Mar 2011 21:31:28 +0200 From: Alexey Dobriyan To: Steven Rostedt Cc: Linus Torvalds , mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, dvhart@linux.intel.com, peterz@infradead.org, akpm@linux-foundation.org, srostedt@redhat.com, tglx@linutronix.de, laijs@cn.fujitsu.com, mingo@elte.hu, linux-tip-commits@vger.kernel.org Subject: Re: [tip:core/urgent] WARN_ON_SMP(): Allow use in if() statements on UP Message-ID: <20110325193128.GA5839@p183.telecom.by> References: <20110317192208.444147791@goodmis.org> <1301076981.14261.197.camel@gandalf.stny.rr.com> <1301077163.14261.199.camel@gandalf.stny.rr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1301077163.14261.199.camel@gandalf.stny.rr.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 673 Lines: 24 On Fri, Mar 25, 2011 at 02:19:23PM -0400, Steven Rostedt wrote: > On Fri, 2011-03-25 at 14:16 -0400, Steven Rostedt wrote: > > > Also, a quick test shows that > > > > 0; > > > > gives the warning: > > > > "warning: statement with no effect" > > Would you like me to add a comment that states: > > /* > * Use ({0;}) as just "0" will cause gcc to output: > * warning: statement with no effect > */ Try ((void)0) -- 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/