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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 8E7DDC2D0DA for ; Sat, 28 Dec 2019 02:49:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69D2920882 for ; Sat, 28 Dec 2019 02:49:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726513AbfL1CtD (ORCPT ); Fri, 27 Dec 2019 21:49:03 -0500 Received: from mga07.intel.com ([134.134.136.100]:42700 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725957AbfL1CtD (ORCPT ); Fri, 27 Dec 2019 21:49:03 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Dec 2019 18:48:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,365,1571727600"; d="scan'208";a="243382416" Received: from allen-box.sh.intel.com (HELO [10.239.159.136]) ([10.239.159.136]) by fmsmga004.fm.intel.com with ESMTP; 27 Dec 2019 18:48:58 -0800 Cc: baolu.lu@linux.intel.com, David Woodhouse , ashok.raj@intel.com, jacob.jun.pan@intel.com, kevin.tian@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] iommu/vt-d: Loose requirement for flush queue initializaton To: Joerg Roedel References: <20191219051851.25159-1-baolu.lu@linux.intel.com> <20191219051851.25159-2-baolu.lu@linux.intel.com> From: Lu Baolu Message-ID: <5d798620-ef1a-7e89-96c5-ed902d90a9a2@linux.intel.com> Date: Sat, 28 Dec 2019 10:47:56 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191219051851.25159-2-baolu.lu@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/19/19 1:18 PM, Lu Baolu wrote: > Currently if flush queue initialization fails, we return error > or enforce the system-wide strict mode. These are unnecessary > because we always check the existence of a flush queue before > queuing any iova's for lazy flushing. Printing a informational > message is enough. > > Signed-off-by: Lu Baolu Queued for v5.6. Thanks, -baolu