linux-kernel - Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

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Message-ID: <4C03A285.7060902@redhat.com>
Date:	Mon, 31 May 2010 14:50:29 +0300
From:	Avi Kivity <avi@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	Tom Lyon <pugs@...co.com>, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, chrisw@...s-sol.org, joro@...tes.org,
	hjk@...utronix.de, gregkh@...e.de, aafabbri@...co.com,
	scofeldm@...co.com
Subject: Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

On 05/30/2010 05:53 PM, Michael S. Tsirkin wrote:
>
> So what I suggested is failing any kind of access until iommu
> is assigned.
>    

So, the kernel driver must be aware of the iommu.  In which case it may 
as well program it.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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