Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752139AbYH3FCo (ORCPT ); Sat, 30 Aug 2008 01:02:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750849AbYH3FCf (ORCPT ); Sat, 30 Aug 2008 01:02:35 -0400 Received: from rv-out-0506.google.com ([209.85.198.232]:52548 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750808AbYH3FCe (ORCPT ); Sat, 30 Aug 2008 01:02:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=Z5E1vIQkMXqZ8D7gHqJq2CURnJaIw0z6wSSwN2Tuw4o0xbrGQ58pIOlgAXPbck65lC gYoE7oglUZQMU/lcelaNh0DUWQnixq/H+OEJ6tkklgTjaqxO9fjB9VYzGSgFOfKpWqvv PIipICI5TDp187v3Evr60ShO35jJoSR9ogZn0= Message-ID: <86802c440808292202v235e66bcr42f3727a3665a71e@mail.gmail.com> Date: Fri, 29 Aug 2008 22:02:33 -0700 From: "Yinghai Lu" To: "Linus Torvalds" Subject: Re: Linux 2.6.27-rc5: System boot regression caused by commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd Cc: "Rafael J. Wysocki" , "Linux Kernel Mailing List" , "Jeff Garzik" , "Tejun Heo" , "Ingo Molnar" , "David Witbrodt" , "Andrew Morton" , "Kernel Testers" In-Reply-To: <86802c440808292141g6ffd1329p54e58ee04c26540a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <86802c440808291711t32d3e76dsf804856b0a8f4939@mail.gmail.com> <86802c440808291830t4547140dx9b12353649edd975@mail.gmail.com> <86802c440808292007t3588edfnef95b723320ff023@mail.gmail.com> <86802c440808292141g6ffd1329p54e58ee04c26540a@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1260 Lines: 33 On Fri, Aug 29, 2008 at 9:41 PM, Yinghai Lu wrote: > On Fri, Aug 29, 2008 at 8:24 PM, Linus Torvalds > wrote: >> >> >> On Fri, 29 Aug 2008, Yinghai Lu wrote: >>> >>> we need to use insert_resource_split_to_fit instead... >>> >>> otherwise __request_region will not be happy. >> >> Are you really really sure? >> >> Try just removing the IORESOURCE_BUSY. As mentioned, if we expect the PCI >> BAR's to work with the e820 resources, then BUSY really is simply not >> right any more. Not that I think it should matter either.. >> >> The ones that are added _early_ should be IORESOURCE_BUSY (ie the ones >> that cover RAM), but the others we now expect to nest with PCI BARs. > > not all. some are MMCONF, some are for GART, and some for fixed lapic, > and fixed ioapic, and fixed HPET. we may not need put reserve entries from e820 into resource tree. and only insert those sticky resources (with _BUSY) before pci_assign_unassign and _request_region etc. YH -- 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/