Re: Is it useful to support user level drivers

Mike Mackovitch
2001-06-21T23:52:16Z

On Thu, Jun 21, 2001 at 04:22:32PM -0700, David S. Miller wrote:
>
> Mike Mackovitch writes:
> > Sorry, but SGI's IRIX does NOT handle graphics interrupts in user space.
>
> What the heck is ULI then? I've actually read the assembly code for
> this back when I did my SGI internship.

If my memory serves me correctly, I believe ULI was some
hacked up "user-level interrupt" feature. I have no idea
who (if anyone) used it, but it definitely wasn't used by
SGI's graphics drivers.

--macko