From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH v2 00/10] iommu/vt-d: Bounce buffer for untrusted devices
Date: Thu, 28 Mar 2019 09:11:34 -0700
Message-ID: <20190328161134.GA27879@infradead.org>
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 <20190327064823.GA13309@infradead.org>
 <04b41eb3-5584-5c7d-5f5e-7c6f28a19b50@linux.intel.com>
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To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>, David Woodhouse <dwmw2@infradead.org>, Joerg Roedel <joro@8bytes.org>, 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
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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.