From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kenji Kaneshige Subject: Re: [PATCH][BUG] fix bug in ACPI based CPU hotplug Date: Wed, 08 Mar 2006 17:10:42 +0900 Message-ID: <440E9182.4010301@soft.fujitsu.com> References: <440E8723.7030008@soft.fujitsu.com> <20060307233507.6ad0858f.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:56795 "EHLO fgwmail5.fujitsu.co.jp") by vger.kernel.org with ESMTP id S932454AbWCHIMU (ORCPT ); Wed, 8 Mar 2006 03:12:20 -0500 In-Reply-To: <20060307233507.6ad0858f.akpm@osdl.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, len.brown@intel.com Andrew Morton wrote: > Kenji Kaneshige wrote: > >>This patch fixes a serious bug in ACPI based CPU hotplug code. Because >> of this bug, ACPI based CPU hotplug will always fail if NR_CPUS is >> equal to or more than 255. > > > Looks rather similar to > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc5/2.6.16-rc5-mm3/broken-out/acpi-signedness-fix-2.patch > ;) > > I think they're functionally equivalent - the only difference is the ==-1 > versus <0 comparisons. > > Oh, I didn't noticed it. Sorry for the noise. Thanks, Kenji Kaneshige