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

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Message-ID: <20090225013618.GA12349@yzhao-otc.sh.intel.com>
Date:	Wed, 25 Feb 2009 09:36:18 +0800
From:	Yu Zhao <yu.zhao@...el.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 0/7] PCI: Linux kernel SR-IOV support

On Tue, Feb 24, 2009 at 06:47:38PM +0800, Avi Kivity wrote:
> Yu Zhao wrote:
> > Greetings,
> >
> > Following patches are intended to support SR-IOV capability in the
> > Linux kernel. With these patches, people can turn a PCI device with
> > the capability into multiple ones from software perspective, which
> > will benefit KVM and achieve other purposes such as QoS, security,
> > and etc.
> >   
> 
> Do those patches allow using a VF on the host (in other words, does the 
> kernel emulate config space accesses)?

Yes, if a VF's driver is loaded in the host, the VF works the same way
as normal PCI device.
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