Re: User mode drivers: part 1, interrupt handling (patch for 2.6.11)

Jon Smirl
2005-03-14T05:53:07Z

On Mon, 14 Mar 2005 12:42:27 +1100, Peter Chubb
<peterc@gelato.unsw.edu.au> wrote:
> >>>>> "Jon" == Jon Smirl <jonsmirl@gmail.com> writes:
>
> >> The scenario I'm thinking about with these patches are things like
> >> low-latency user-level networking between nodes in a cluster, where
> >> for good performance even with a kernel driver you don't want to
> >> share your interrupt line with anything else.

Instead of making up a new API what about making a library of calls
that emulates the common entry points used by device drivers. The
version I did for UML could take the same driver and run it in user
space or the kernel without changing source code. I found this very
useful.

--
Jon Smirl
jonsmirl@gmail.com