From patchwork Tue May 6 07:05:13 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 4119691 Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id CD1DE9F1E1 for ; Tue, 6 May 2014 07:09:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0E14420204 for ; Tue, 6 May 2014 07:09:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FEFA201FA for ; Tue, 6 May 2014 07:09:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934157AbaEFHDs (ORCPT ); Tue, 6 May 2014 03:03:48 -0400 Received: from mga11.intel.com ([192.55.52.93]:15580 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934095AbaEFHDq (ORCPT ); Tue, 6 May 2014 03:03:46 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 06 May 2014 00:03:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,995,1389772800"; d="scan'208";a="526662029" Received: from gerry-dev.bj.intel.com ([10.238.158.74]) by fmsmga001.fm.intel.com with ESMTP; 06 May 2014 00:02:59 -0700 From: Jiang Liu To: Joerg Roedel , David Woodhouse , Yinghai Lu , Bjorn Helgaas , Dan Williams , Vinod Koul , "Rafael J . Wysocki" Cc: Jiang Liu , Ashok Raj , Yijing Wang , Tony Luck , iommu@lists.linux-foundation.org, linux-pci@vger.kernel.org, linux-hotplug@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org Subject: [Patch Part3 V2 02/21] iommu/vt-d: use correct domain id to flush virtual machine domains Date: Tue, 6 May 2014 15:05:13 +0800 Message-Id: <1399359932-28972-3-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1399359932-28972-1-git-send-email-jiang.liu@linux.intel.com> References: <1399359932-28972-1-git-send-email-jiang.liu@linux.intel.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP For virtual machine domains, domain->id is a virtual id, and the real domain id written into context entry is dynamically allocated. So use the real domain id instead of domain->id when flushing iotlbs for virtual machine domains. Signed-off-by: Jiang Liu --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 612fd441b225..0b3e6981a2da 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1824,7 +1824,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, (((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, DMA_CCMD_DEVICE_INVL); - iommu->flush.flush_iotlb(iommu, domain->id, 0, 0, DMA_TLB_DSI_FLUSH); + iommu->flush.flush_iotlb(iommu, id, 0, 0, DMA_TLB_DSI_FLUSH); } else { iommu_flush_write_buffer(iommu); }