Re: [RFC] virtio_console: Add DRIVER and INTERFACE to uevent.

[Greg KH <gregkh@linuxfoundation.org>]

On Tue, Jan 22, 2013 at 09:55:20AM +1030, Rusty Russell wrote:
> sjur.brandeland@stericsson.com writes:
> 
> > From: Sjur Brændeland <sjur.brandeland@stericsson.com>
> >
> > Add information so rproc-serial can be easily recogniced
> > from user space. Add the following information to uevent:
> > DRIVER=virtio_console|virtio_rproc_serial
> > INTERFACE=grand-parent/parent/name
> >
> > Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
> > ---
> > Hi,
> >
> > I need some way to identify the major/minor number for
> > the rproc-serial device, given the udev event. 
> > Review comments are welcomed.
> >
> > Thanks,
> > Sjur
> 
> Hmm, I send all uevent questions to Greg KH (CC'd).

The "INTERFACE" uevent variable is only for USB devices, so for anything
else to be sending userspace that variable, would confuse things
greatly.

Sjur, what exactly are you trying to do here?  What do you want
userspace to know, and what should it do with that information?

thanks,

greg k-h