linux-kernel - Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support

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Message-ID: <20081107061700.GD3860@kroah.com>
Date:	Thu, 6 Nov 2008 22:17:00 -0800
From:	Greg KH <greg@...ah.com>
To:	Anthony Liguori <anthony@...emonkey.ws>
Cc:	Matthew Wilcox <matthew@....cx>, H L <swdevyid@...oo.com>,
	Yu Zhao <yu.zhao@...el.com>, randy.dunlap@...cle.com,
	grundler@...isc-linux.org, achiang@...com,
	linux-pci@...r.kernel.org, rdreier@...co.com,
	linux-kernel@...r.kernel.org, jbarnes@...tuousgeek.org,
	virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
	mingo@...e.hu, Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support

On Thu, Nov 06, 2008 at 04:40:21PM -0600, Anthony Liguori wrote:
> Greg KH wrote:
>> On Thu, Nov 06, 2008 at 10:47:41AM -0700, Matthew Wilcox wrote:
>>   
>>> I don't think we really know what the One True Usage model is for VF
>>> devices.  Chris Wright has some ideas, I have some ideas and Yu Zhao has
>>> some ideas.  I bet there's other people who have other ideas too.
>>>     
>>
>> I'd love to hear those ideas.
>>   
>
> We've been talking about avoiding hardware passthrough entirely and
> just backing a virtio-net backend driver by a dedicated VF in the
> host.  That avoids a huge amount of guest-facing complexity, let's
> migration Just Work, and should give the same level of performance.

Does that involve this patch set?  Or a different type of interface.

thanks,

greg k-h
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