Re: restarting a kernel thread

[Greg KH]

On Mon, Jun 30, 2003 at 11:39:57PM +0200, martin f krafft wrote:
> also sprach Greg KH <[e-mail]> [2003.06.30.2239 +0200]:
> > Any reason for not sticking with userspace programs using
> > libusb/usbfs? Much easier to write than kernel drivers, and you
> > get portibility across a wider range of OSs
> 
> One question: will this have performance issues? We are dealing with
> high-resolution motors and sensors, and want to go real-time anyhow
> somewhen.

Don't know, you will have to test to see if it meets your latency
requirements.

On Mon, Jun 30, 2003 at 11:36:04PM +0200, martin f krafft wrote:
> 
> Well, that's a good idea. Problem is that the drivers are actually
> written by someone else. I just developing with them, and them
> a little on the side.
> 
> But I'll pass the word on to the developers. Is this an easy
> transition?

The interface is quite different from writing a kernel driver, but in
the end, simpler, as you can just debug from userspace and not worry
about kernel problems.

thanks,

greg k-h