Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753555Ab0DZNAF (ORCPT ); Mon, 26 Apr 2010 09:00:05 -0400 Received: from prod-mail-xrelay01.akamai.com ([72.246.2.12]:35067 "EHLO prod-mail-xrelay01.akamai.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750991Ab0DZNAD (ORCPT ); Mon, 26 Apr 2010 09:00:03 -0400 X-Greylist: delayed 563 seconds by postgrey-1.27 at vger.kernel.org; Mon, 26 Apr 2010 09:00:03 EDT Date: Mon, 26 Apr 2010 08:50:32 -0400 From: "R. Andrew Bailey" To: Bjorn Helgaas Cc: Andy Isaacson , Yinghai , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , guenter.roeck@ericsson.com, Linus Torvalds , "linux-pci@vger.kernel.org" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , Thomas Renninger , yaneti@declera.com Subject: Re: [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END Message-ID: <20100426125032.GA1623@akamai.com> References: <4BC4E55B.7000103@oracle.com> <4BCE8E3E.4030809@oracle.com> <20100421193120.GD11130@hexapodia.org> <201004231705.25659.bjorn.helgaas@hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <201004231705.25659.bjorn.helgaas@hp.com> User-Agent: Mutt/1.5.21 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1483 Lines: 37 On 23/04/10 17:05 -0600, Bjorn Helgaas wrote: >On Wednesday 21 April 2010 01:31:20 pm Andy Isaacson wrote: >> On Tue, Apr 20, 2010 at 10:33:50PM -0700, Yinghai wrote: >> > Update e820 at first, and later put them resource tree. >> > Reserved that early, will not be allocated to unassigned PCI BAR >> > >> > v3: remove probe_roms() that is not needed, because whole range is reserved >> > already >> >> Test booted this patch series on the problematic t3400, seems to work >> fine. dmesg attached to bug 15744. > >Thanks for testing (again). I'm not confident that this series is >going to be successful, so I started looking for other approaches. > >I can't reproduce the exact problem you're seeing, but in my >kludged-up attempt, the patch below is enough to keep us from >assigning the space below 1MB to a device. > >Would you guys (Andy & Andy, what a coincidence :-)) mind giving >it a try? This is intended to work on top of current upstream, >with no other patches required. > >Bjorn > Good news- that solved it. I tried Yinghai's patches saturday to no avail (sorry it took me so long to get back to you, I was about 5 bios revisions behind on this machine and wanted to update it before I tried any more tests). .andy -- 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/