[PATCH] fixes for the SLB shadow buffer

[Benjamin Herrenschmidt]

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 :-)

Cheers,
Ben.