TIP: Click on subject to list as thread! ANSI
echo: os2prog
to: Jeff Dunlop
from: Mike Ruskai
date: 1998-12-01 23:05:14
subject: PM drawing priorities...

Some senseless babbling from Jeff Dunlop to Ivan Todoroski
on 30 Nov 98  11:25:06 about PM drawing priorities......

 IT>   all!
 
 IT>   OS/2 itself is to blame for giving that driver higher priority than it
 IT>   deserves. It boosts PM drawing beyond Foreground Server, delta 31
 IT>   priority, higher than the program actually requesting it

 JD> I though Denis said that the video driver runs at a different ring or
 JD> priority. I would expect device drivers to get special treatment,
 JD> which doesn't necessarily mean that PM is being given a boost.

Display drivers are presentation drivers, not device drivers.  By default, 
they do not run in ring 0.  They can, however, if they want to, as ATI's 
drivers demonstrate.

As for priority, I couldn't say.

Mike Ruskai
thanny{at}home.com


... I'm not always right. Only 99.938742% of the time.
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