Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752029AbZGXFHh (ORCPT ); Fri, 24 Jul 2009 01:07:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751680AbZGXFHg (ORCPT ); Fri, 24 Jul 2009 01:07:36 -0400 Received: from smtpauth.net4india.com ([202.71.129.41]:39496 "EHLO smtpauth.net4india.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751962AbZGXFHc (ORCPT ); Fri, 24 Jul 2009 01:07:32 -0400 X-Greylist: delayed 2011 seconds by postgrey-1.27 at vger.kernel.org; Fri, 24 Jul 2009 01:07:32 EDT Message-ID: <4A6939F2.3050006@xenontk.org> Date: Fri, 24 Jul 2009 10:04:58 +0530 From: David John Reply-To: davidjon@xenontk.org User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2 ThunderBrowse/3.2.6.1 MIME-Version: 1.0 To: Linus Torvalds CC: Frans Pop , linux-kernel@vger.kernel.org, Yinghai Lu , Jesse Barnes Subject: Re: Linux 2.6.31-rc4: strange change in iomem allocation References: <200907231614.23570.elendil@planet.nl> <200907231653.48933.elendil@planet.nl> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1149 Lines: 29 On 07/23/2009 09:59 PM, Linus Torvalds wrote: > > On Thu, 23 Jul 2009, Linus Torvalds wrote: >> Don't worry about the new warning. >> >> It is in fact _normal_ to see a number of warnings about PnP resources >> "could not be reserved" > > In fact, I notice that you had them even before, eg: > > system 00:00: iomem range 0x0-0x9ffff could not be reserved > system 00:00: iomem range 0xe0000-0xfffff could not be reserved > system 00:00: iomem range 0x100000-0x7e7fffff could not be reserved > > which are about exactly the same thing - e820 RAM reservations take > precedence over the PnP ones. > > So the only new thing is that we claim the APIC thing to that category > too. > If the kernel knows that those ranges have already been reserved, can't the PnP messages be suppressed? I used to think these were errors as well (because of some BIOS misbehaviour) until I checked 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/