From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757616AbYIQQ74 (ORCPT ); Wed, 17 Sep 2008 12:59:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755391AbYIQQxa (ORCPT ); Wed, 17 Sep 2008 12:53:30 -0400 Received: from outbound-sin.frontbridge.com ([207.46.51.80]:53468 "EHLO SG2EHSOBE004.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754517AbYIQQxZ (ORCPT ); Wed, 17 Sep 2008 12:53:25 -0400 X-BigFish: VPS4(zzzz10d3izzz32i43j61h) X-Spam-TCS-SCL: 0:0 X-WSS-ID: 0K7CMW8-04-URU-01 From: Joerg Roedel To: linux-kernel@vger.kernel.org CC: iommu@lists.linux-foundation.org, Joerg Roedel Subject: [PATCH 12/23] AMD IOMMU: allow IO page faults from devices Date: Wed, 17 Sep 2008 18:52:46 +0200 Message-ID: <1221670377-19295-13-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1221670377-19295-1-git-send-email-joerg.roedel@amd.com> References: <1221670377-19295-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 17 Sep 2008 16:52:58.0064 (UTC) FILETIME=[D66A5500:01C918E5] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is a bit in the device entry to suppress all IO page faults generated by a device. This bit was set until now because there was no event logging. Now that there is event logging this patch allows IO page faults from devices to see them in the kernel log too. Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu_init.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 5182132..d8c1a45 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -951,7 +951,6 @@ static void init_device_table(void) for (devid = 0; devid <= amd_iommu_last_bdf; ++devid) { set_dev_entry_bit(devid, DEV_ENTRY_VALID); set_dev_entry_bit(devid, DEV_ENTRY_TRANSLATION); - set_dev_entry_bit(devid, DEV_ENTRY_NO_PAGE_FAULT); } } -- 1.5.6.4