From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A51FC2BB85 for ; Thu, 9 Apr 2020 19:32:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4CA92082D for ; Thu, 9 Apr 2020 19:32:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726799AbgDITcX (ORCPT ); Thu, 9 Apr 2020 15:32:23 -0400 Received: from mga03.intel.com ([134.134.136.65]:63075 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726703AbgDITcX (ORCPT ); Thu, 9 Apr 2020 15:32:23 -0400 IronPort-SDR: g2ePG55Q4gudTlfh+BVzHSl45L+9CleVXQ5VTG/v6z0N9eALrJPgSyzdr4+FXlakvaltRItW3x 5Hig9f2PtFvQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2020 12:32:22 -0700 IronPort-SDR: FcOz2aKwDMUhIQvHop9Zpt0cOYquXgeCrNF7hCJY+gyODlZuB+JF9XbErfROwv238uifDji3OB 1QnJ132mntlw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,363,1580803200"; d="scan'208";a="452116450" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.116.40]) by fmsmga005.fm.intel.com with ESMTP; 09 Apr 2020 12:32:21 -0700 From: Jon Derrick To: Joerg Roedel , Cc: Bjorn Helgaas , , Lu Baolu , Daniel Drake , , Jon Derrick Subject: [PATCH 0/1] Real DMA dev DMA domain patch Date: Thu, 9 Apr 2020 15:17:35 -0400 Message-Id: <20200409191736.6233-1-jonathan.derrick@intel.com> X-Mailer: git-send-email 2.18.1 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Sorry for the late patch here, but I hit the issue Baolu and Daniel pointed out could occur, and requires this fix (or iommu=nopt). Hoping to get it into an rc Jon Derrick (1): iommu/vt-d: use DMA domain for real DMA devices and subdevices drivers/iommu/intel-iommu.c | 56 ++++++++++++++++++++++++++++--------- 1 file changed, 43 insertions(+), 13 deletions(-) -- 2.18.1