Re: interrupt handling w/o handler?

Andrea Arcangeli (andrea@suse.de)
Mon, 12 Jul 1999 01:21:31 +0200 (CEST)


On Sun, 11 Jul 1999, Mark Lord wrote:

>either through /proc or a newsyscall, thereby permitting *user-level*
>interrupt handling ("virtual device drivers" from userland).

That is going to race (miss irq).

I think if you need to handle irq handling from userspace you need a
helper kernel driver (as the ppuser does). Then you can sleep in
select(2).

Andrea

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/