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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 2300AC04E84 for ; Thu, 16 May 2019 02:00:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6E2E2070D for ; Thu, 16 May 2019 02:00:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726324AbfEPCAQ (ORCPT ); Wed, 15 May 2019 22:00:16 -0400 Received: from mga02.intel.com ([134.134.136.20]:59727 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726039AbfEPCAQ (ORCPT ); Wed, 15 May 2019 22:00:16 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 May 2019 19:00:15 -0700 X-ExtLoop1: 1 Received: from allen-box.sh.intel.com (HELO [10.239.159.136]) ([10.239.159.136]) by fmsmga008.fm.intel.com with ESMTP; 15 May 2019 19:00:12 -0700 Cc: baolu.lu@linux.intel.com, Robin Murphy , David Woodhouse , Joerg Roedel , ashok.raj@intel.com, jacob.jun.pan@intel.com, alan.cox@intel.com, kevin.tian@intel.com, mika.westerberg@linux.intel.com, pengfei.xu@intel.com, Konrad Rzeszutek Wilk , Marek Szyprowski , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 02/10] swiotlb: Factor out slot allocation and free To: Christoph Hellwig References: <0c6e5983-312b-0d6b-92f5-64861cd6804d@linux.intel.com> <20190423061232.GB12762@lst.de> <20190424144532.GA21480@lst.de> <20190426150433.GA19930@lst.de> <93b3d627-782d-cae0-2175-77a5a8b3fe6e@linux.intel.com> <90182d27-5764-7676-8ca6-b2773a40cfe1@arm.com> <20190429114401.GA30333@lst.de> <7033f384-7823-42ec-6bda-ae74ef689f4f@linux.intel.com> <20190513070542.GA18739@lst.de> From: Lu Baolu Message-ID: Date: Thu, 16 May 2019 09:53:37 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190513070542.GA18739@lst.de> 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 Hi, On 5/13/19 3:05 PM, Christoph Hellwig wrote: > On Mon, May 06, 2019 at 09:54:30AM +0800, Lu Baolu wrote: >> Agreed. I will prepare the next version simply without the optimization, so >> the offset is not required. >> >> For your changes in swiotlb, will you formalize them in patches or want >> me to do this? > > Please do it yourself given that you still need the offset and thus a > rework of the patches anyway. > Okay. Best regards, Lu Baolu