linux-kernel - Re: [kvm-devel] [PATCH 3/3] virtio PCI device

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Date:	Thu, 08 Nov 2007 17:13:37 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Anthony Liguori <aliguori@...ibm.com>
CC:	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...ycorp.com.au>,
	virtualization@...ts.osdl.org, kvm-devel@...ts.sourceforge.net
Subject: Re: [kvm-devel] [PATCH 3/3] virtio PCI device

Anthony Liguori wrote:
> Avi Kivity wrote:
>> If a pci device is capable of dma (or issuing interrupts), it will be 
>> useless with pv pci.
>
> Hrm, I think we may be talking about different things.  Are you 
> thinking that the driver I posted allows you to do PCI pass-through 
> over virtio?  That's not what it is.
>
> The driver I posted is a virtio implementation that uses a PCI 
> device.  This lets you use virtio-blk and virtio-net under KVM.  The 
> alternative to this virtio PCI device would be a virtio transport 
> built with hypercalls like lguest has.  I choose a PCI device because 
> it ensured that each virtio device showed up like a normal PCI device.
>
> Am I misunderstanding what you're asking about?
>

No, I completely misunderstood the patch.  Should review complete 
patches rather than random hunks.

Sorry for the noise.

-- 
error compiling committee.c: too many arguments to function

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