Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752867AbYLTEpk (ORCPT ); Fri, 19 Dec 2008 23:45:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751796AbYLTEpb (ORCPT ); Fri, 19 Dec 2008 23:45:31 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:51080 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751744AbYLTEpb (ORCPT ); Fri, 19 Dec 2008 23:45:31 -0500 Date: Fri, 19 Dec 2008 20:44:55 -0800 From: Andrew Morton To: svaidy@linux.vnet.ibm.com Cc: linux-kernel@vger.kernel.org, suresh.b.siddha@intel.com, venkatesh.pallipadi@intel.com, a.p.zijlstra@chello.nl, mingo@elte.hu, dipankar@in.ibm.com, balbir@linux.vnet.ibm.com, vatsa@linux.vnet.ibm.com, ego@in.ibm.com, andi@firstfloor.org, davecb@sun.com, tconnors@astro.swin.edu.au, maxk@qualcomm.com, gregory.haskins@gmail.com, pavel@suse.cz, Rusty Russell Subject: Re: [PATCH v7 4/8] sched: nominate preferred wakeup cpu Message-Id: <20081219204455.5f954823.akpm@linux-foundation.org> In-Reply-To: <20081220043638.GA24181@dirshya.in.ibm.com> References: <20081218175313.29812.4781.stgit@drishya.in.ibm.com> <20081218175622.29812.69201.stgit@drishya.in.ibm.com> <20081219135508.9c6217ba.akpm@linux-foundation.org> <20081220043638.GA24181@dirshya.in.ibm.com> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 855 Lines: 21 On Sat, 20 Dec 2008 10:06:38 +0530 Vaidyanathan Srinivasan wrote: > > > > kernel/sched.c: In function 'schedule': > > kernel/sched.c:3679: warning: 'active_balance' may be used uninitialized in this function > > > > This warning is correct - the code is buggy. > > Yes this is my code bug. I did not see the warning in sched.c. Is > there any build option that I need to pass in order to get -Wall > effect? That was just with plain old kbuild: `make allmodconfig;make'. That warning was produced by gcc-4.0.2. If you're using something more recent then gcc has regressed. -- 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/