Thanks. Now, that I played around a bit, am going in circles trying to
figure how to keep very simple in my messaging driver. Basically,
I'd like to keep it symmetric, no frontend/backend, just one file,
dynamically loadable, kernel driver. When a driver is loaded in domU, it
broadcasts ring-ref/event-chnl and causes dom0 callback to wake up and
act on it. Since domU can't write to /local/domain/0/blah/bleh, is there
some other generic way to broadcast it? I'd like to avoid a user level
script. It almost appears xenbus_watch_path() may allow me to set
callback on /local/domain/*/blah/bleh, but I don't have the
xenbus_device ptr as it seems provided by xenbus_driver{} callbacks.
Thanks in advance,
Mukesh
Keir Fraser wrote:
> On 11/12/2008 03:14, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:
>
>> Hi,
>>
>> I'm trying to figure what causes a probe callback to happen, any quick
>> example?
>
> New directories appearing in xenstore under /local/domain/x/device/
>
> -- Keir
>
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