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Message-ID: <20190424182730.GA17505@char.us.oracle.com>
Date: Wed, 24 Apr 2019 14:27:30 -0400
From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To: Lu Baolu <baolu.lu@...ux.intel.com>
Cc: Christoph Hellwig <hch@....de>,
David Woodhouse <dwmw2@...radead.org>,
Joerg Roedel <joro@...tes.org>, ashok.raj@...el.com,
jacob.jun.pan@...el.com, alan.cox@...el.com, kevin.tian@...el.com,
mika.westerberg@...ux.intel.com, pengfei.xu@...el.com,
Marek Szyprowski <m.szyprowski@...sung.com>,
Robin Murphy <robin.murphy@....com>,
iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCH v3 08/10] iommu/vt-d: Check whether device requires
bounce buffer
On Tue, Apr 23, 2019 at 03:35:51PM +0800, Lu Baolu wrote:
> Hi,
>
> On 4/23/19 2:08 PM, Christoph Hellwig wrote:
> > > > Again, this and the option should not be in a specific iommu driver.
> > > >
> > >
> > > The option of whether bounce is ignored should be in the specific iommu
> > > driver.
> >
> > Why? As a user I could not care less which IOMMU driver my particular
> > system uses.
> >
>
> Looks reasonable to me. Let's listen to more opinions.
I agree with Christoph here.
>
> Best regards,
> Lu Baolu
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