From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [PATCH 2/2 v2] PCI: add remove_id sysfs entry
Date: Thu, 19 Mar 2009 17:35:10 -0700
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Cc: Greg KH <greg@kroah.com>, Mark McLoughlin <markmc@redhat.com>,
	kvm <kvm@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	Chris Wright <chrisw@redhat.com>,
	"Dugger, Donald D" <donald.d.dugger@intel.com>,
	"Kay, Allen M" <allen.m.kay@intel.com>
To: Chris Wright <chrisw@sous-sol.org>
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List-Id: kvm.vger.kernel.org

On Mon, 23 Feb 2009 21:52:23 -0800
Chris Wright <chrisw@sous-sol.org> wrote:

> This adds a remove_id sysfs entry to allow users of new_id to later
> remove the added dynid.  One use case is management tools that want to
> dynamically bind/unbind devices to pci-stub driver while devices are
> assigned to KVM guests.  Rather than having to track which driver was
> originally bound to the driver, a mangement tool can simply:
> 
> # echo "8086 10f5" > /sys/bus/pci/drivers/pci-stub/new_id
> # echo 0000:00:19.0 > /sys/bus/pci/devices/0000:00:19.0/driver/unbind
> # echo 0000:00:19.0 > /sys/bus/pci/drivers/pci-stub/bind
> 
> Guest uses device
> 
> # echo "8086 10f5" > /sys/bus/pci/drivers/pci-stub/remove_id
> # echo 0000:00:19.0 > /sys/bus/pci/drivers_probe
> 
> Signed-off-by: Chris Wright <chrisw@sous-sol.org>

Applied to linux-next, thanks Chris.

-- 
Jesse Barnes, Intel Open Source Technology Center