Re: [Xen-devel] Backend in user space, how is its kernel dev unregistered?

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 04/03/2009 19:51, "Markus Armbruster" <armbru@xxxxxxxxxx> wrote:

>>> But what if the device driver is in user space?  vfb and vkbd are.  I
>>> can't see how their kernel devices can ever get unregistered.
>> 
>> Presumably these should watch xenstore themselves and tear down state when
>> they see state changes from the frontend, or the corresponding xenstore
>> directory disappear completely. Just like in the kernel's xenbus_probe.c.
>> 
>>  -- Keir
> 
> Stupid question: how can a user space driver get *kernel* devices
> unregistered?

Maybe I misunderstand the problem. I don't know much about pvfb or pvkbd.

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel