Re: xenmp testing

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Jan 19, 2012 at 10:39:59AM +0100, Manuel Bouyer wrote:
> > There's a race where a pmap pm_pdir[] can have a lingering entry in
> > per-cpu L4 pdirs if they have alternate mappings to that pmap. I've
> > tried to solve it with this:
> > 
> > http://85.88.27.205/tmp/apte.diff
> > 
> > But yet to hear if that fixes the problem.
> > 
> > I'm not sure if these are related. Can it be tested ?
> 
> I tested, it doesn't help with my problem. 

FWIW, I couldn't reproduce the problem on a UP domU.
It looks like a race somewhere where a PTP or PTE page is reused as data page
before being unregisterd from hypervisor.

This doesn't mean the race doesn't exist with a UP domU though ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--