Re: [PATCH] pci: add remove_id sysfs entry

Chris Wright
2009-02-24T01:27:32Z

* Greg KH (greg@kroah.com) wrote:
> On Fri, Feb 13, 2009 at 06:12:44PM -0800, Chris Wright 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
>
> As you're adding a new sysfs file, can you please document it in
> Documentation/ABI? I know the original bind and unbind files aren't
> documented there, they were created before the ABI/ directory showed up.
>
> It would be nice to add them as well if anyone wants to :)

Sure, I'll take a stab at that.