Re: SMP in 2.4
Mikulas Patocka (email@example.com)
Sat, 21 Apr 2001 11:08:31 +0200 (CEST)
> > testb %al, intr_pending
> > jnz somewhere_away_to_handle_defered_interrupt
> > And - of course - interrupt checks intr_lock in its entry and if it is
> > zero, sets intr_pending and exits immediatelly.
> And immediately gets called again. You have to mask the irq which is non trivial
> especially if you want to do it right on the BX. But you can do this and rtlinux
There is already desc->handler->ack(irq) in do_IRQ which does that. Is any
more special handling needed?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to firstname.lastname@example.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/