From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lu Baolu Subject: Re: [PATCH v2 00/10] iommu/vt-d: Bounce buffer for untrusted devices Date: Fri, 29 Mar 2019 10:33:02 +0800 Message-ID: References: <20190327063506.32564-1-baolu.lu@linux.intel.com> <20190327064823.GA13309@infradead.org> <04b41eb3-5584-5c7d-5f5e-7c6f28a19b50@linux.intel.com> <20190328161134.GA27879@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190328161134.GA27879@infradead.org> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Christoph Hellwig Cc: baolu.lu@linux.intel.com, 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, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org List-Id: iommu@lists.linux-foundation.org Hi, On 3/29/19 12:11 AM, Christoph Hellwig wrote: > On Thu, Mar 28, 2019 at 02:33:04PM +0800, Lu Baolu wrote: >> For the swiotlb APIs, I am thinking about keeping current APIs untouched >> and adding below new ones for bounce page. > > In the lon run I'd like tow avoid duplicate APIs, especially as the > current low-level swiotlb APIs only two callers. But please go ahead > with the new APIs for now, I will try to see if we can do something > on top later. > Sure. Best regards, Lu Baolu