Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752886AbWLYTCK (ORCPT ); Mon, 25 Dec 2006 14:02:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752948AbWLYTCK (ORCPT ); Mon, 25 Dec 2006 14:02:10 -0500 Received: from mail.parknet.co.jp ([210.171.160.6]:3714 "EHLO mail.parknet.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752957AbWLYTCJ (ORCPT ); Mon, 25 Dec 2006 14:02:09 -0500 To: Arjan van de Ven Cc: OGAWA Hirofumi , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base_address References: <1166869244.3281.590.camel@laptopd505.fenrus.org> <87fyb6n86a.fsf@duaron.myhome.or.jp> <1167050198.3281.1635.camel@laptopd505.fenrus.org> From: OGAWA Hirofumi Date: Tue, 26 Dec 2006 04:01:54 +0900 In-Reply-To: <1167050198.3281.1635.camel@laptopd505.fenrus.org> (Arjan van de Ven's message of "Mon\, 25 Dec 2006 13\:36\:37 +0100") Message-ID: <873b73x0il.fsf@duaron.myhome.or.jp> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 826 Lines: 22 Arjan van de Ven writes: >> Current workaround is the following (both of linus and -mm), >> >> if (pci_mmcfg_config_num == 1 && >> cfg->pci_segment_group_number == 0 && >> (cfg->start_bus_number | cfg->end_bus_number) == 0) >> /* Assume it can access 256M range */ >> >> But, if the system has bus number 0 only, it's a correct table. >> We may need to detect the broken system. blacklist? > > or just... not assume 256Mb but assume broken? I see. And instead, add force enable option? -- OGAWA Hirofumi - 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/