Subject: Re: fifo overruns
To: Scott Reynolds <scottr@og.org>
From: Colin Wood <cwood@ichips.intel.com>
List: port-mac68k
Date: 07/30/1997 17:40:38
Scott Reynolds wrote:
> 
> On Wed, 30 Jul 1997, Colin Wood wrote:
> 
> > > Paul Goyette also complained of problems with the newest current giving
> > > fifo overruns. I wonder what we changed.
> 
> Beats me. :-(
> 
> > I believe I remember seeing something about Scott having changed the way
> > splraise semantics worked, or am I just mis-remembering something from all
> > the NetBSD lists I'm on??? ;-)
> 
> Until recently, splraise() wasn't even used.  I wouldn't use it until I
> was reasonably sure I had squeezed every last cycle out of it that I
> could.  Even so, this only affected spltty(), not splzs(), splsched(), or
> splhigh().

Is there any kind of adverse interaction between spltty() and splzs() that
might be causing the problem?  Or is spltty only used by the console ite
stuff and not by a pty?

Later.

-- 
Colin Wood                                 cwood@ichips.intel.com
Component Design Engineer - MD6                 Intel Corporation
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I speak only for myself, not for my employer.