linux-kernel - Re: [PATCH v10 0/7] PCI: Linux kernel SR-IOV support

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Message-ID: <49B3D678.4050004@redhat.com>
Date:	Sun, 08 Mar 2009 16:30:16 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Matthew Wilcox <matthew@....cx>
CC:	Yu Zhao <yu.zhao@...el.com>, jbarnes@...tuousgeek.org,
	linux-pci@...r.kernel.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, "Yang, Sheng" <sheng.yang@...el.com>
Subject: Re: [PATCH v10 0/7] PCI: Linux kernel SR-IOV support

Matthew Wilcox wrote:
> On Tue, Feb 24, 2009 at 12:47:38PM +0200, Avi Kivity wrote:
>   
>> Do those patches allow using a VF on the host (in other words, does the 
>> kernel emulate config space accesses)?
>>     
>
> SR-IOV hardware handles config space accesses to virtual functions.  No
> kernel changes needed for that aspect of it.
>   

Patches 2 and 3 of the patchset that enables SR/IOV in kvm [1] suggest 
that at the config space is only partially implemented.

[1] http://thread.gmane.org/gmane.comp.emulators.kvm.devel/29034

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

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