Re: CVS commit: src/sys/dev

[David Young <dyoung%pobox.com@localhost>]

On Wed, Apr 08, 2009 at 08:05:44AM +0000, Andrew Doran wrote:
> On Tue, Apr 07, 2009 at 10:30:09PM +0000, David Young wrote:
> 
> > Modified Files:
> >     src/sys/dev/ic: attimer.c attimervar.h
> >     src/sys/dev/isa: pcppi.c
> > 
> > Log Message:
> > Make pcppi(4) detach the "speaker" from attimer(4), so that the
> > corresponding attimer(4) resource is not perpetually busy: now it
> > is possible to detach and to reattach pcppi(4).  Make attimer(4)'s
> > device-detachment hook return EBUSY if pcppi(4) is still attached, so
> > that pcppi(4) cannot end up with a dangling pointer to attimer(4).
> 
> pcppi_bell() can race with pcppi_detach() -> pcppi_bell_stop()

Ok.  I will see what I can do about that.

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933