From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH corrected RFC] uio: add generic driver for PCI 2.3	devices
Date: Sun, 12 Jul 2009 09:17:01 +0300
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References: <20090709114834.GB26479@redhat.com> <4A5604B3.2090508@codemonkey.ws> <20090710022229.GF30379@sequoia.sous-sol.org>
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Cc: Anthony Liguori <anthony@codemonkey.ws>,
	"Michael S. Tsirkin" <mst@redhat.com>, kvm@vger.kernel.org
To: Chris Wright <chrisw@sous-sol.org>
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On 07/10/2009 05:22 AM, Chris Wright wrote:
>> I know it's not strictly needed for PCI pass through, but it would be
>> useful to register the IO regions via UIO.  The userspace implementation
>> would then use UIO strictly instead of poking the sysfs pci info
>> directly.  I think that ends up being cleaner.
>>      
>
> I don't see what the advantage is?
>    

Have a single fd represent the assigned device, so security can be 
concentrated at that point.  Some privileged server can then hand out 
the fd to qemu.

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