[PATCH] fixes for the SLB shadow buffer

[Michael Neuling]

> On Thu, 2007-08-02 at 18:56 +1000, Michael Neuling wrote:
> > > > But even in the case of a checkpoint restart, the ordering will be
> > > > preserved as the NIA we get as part of the checkpoint will have
> > all
> > > > previous instructions complete and none of the following
> > instructions
> > > > started.
> > > 
> > > Instruction completion isn't enough to ensure storage ordering. The
> > > stores may well be complete but the data still in separate store
> > queues.
> > 
> > POWER6 flushes the store queues when we take a checkpoint.  
> 
> Ok, that was missing from your description :-)

Sorry... so ditch the barriers?

Mikey