On Tue, Apr 19, 2005 at 06:25:14PM +0900, YAMAMOTO Takashi wrote:
> > Not here, xenconscn_getc() calls HYPERVISOR_yield() when it waits for
> > input, so it won't consume CPU. But HYPERVISOR_yield() won't return unless
> > interrupts are enabled.
> 
> "interrupts" in what sense?
> i thought HYPERVISOR_yield left the calling domain runnable
> so it would be scheduled sooner or later.

Hum, I need to look at this again. From what I remember, if I leaved
the events blocked, HYPERVISOR_yield() would never return.
But maybe I had something else wrong in my code.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
     NetBSD: 26 ans d'experience feront toujours la difference
--