From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762234AbYGJSrd (ORCPT ); Thu, 10 Jul 2008 14:47:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758929AbYGJSmF (ORCPT ); Thu, 10 Jul 2008 14:42:05 -0400 Received: from mga11.intel.com ([192.55.52.93]:47639 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758890AbYGJSmE (ORCPT ); Thu, 10 Jul 2008 14:42:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.30,339,1212390000"; d="scan'208";a="589105637" Message-Id: <20080710182236.624134000@linux-os.sc.intel.com> References: <20080710181634.764954000@linux-os.sc.intel.com> User-Agent: quilt/0.46-1 Date: Thu, 10 Jul 2008 11:16:39 -0700 From: Suresh Siddha To: mingo@elte.hu, hpa@zytor.com, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, andi@firstfloor.org, ebiederm@xmission.com, jbarnes@virtuousgeek.org, steiner@sgi.com Cc: linux-kernel@vger.kernel.org, Suresh Siddha , Yong Y Wang Subject: [patch 05/26] x64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection Content-Disposition: inline; filename=fix_dmar_table_init.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Presence of RMRR structures is not compulsory for enabling DMA-remapping. Signed-off-by: Suresh Siddha Signed-off-by: Yong Y Wang --- Index: tree-x86/drivers/pci/dmar.c =================================================================== --- tree-x86.orig/drivers/pci/dmar.c 2008-07-10 09:51:53.000000000 -0700 +++ tree-x86/drivers/pci/dmar.c 2008-07-10 09:51:55.000000000 -0700 @@ -419,10 +419,8 @@ } #ifdef CONFIG_DMAR - if (list_empty(&dmar_rmrr_units)) { + if (list_empty(&dmar_rmrr_units)) printk(KERN_INFO PREFIX "No RMRR found\n"); - return -ENODEV; - } #endif return 0; --