[PATCH] powerpc/8xx: fix regression introduced by cache coherency rewrite

[Benjamin Herrenschmidt]

On Sat, 2009-10-03 at 11:24 +0200, Joakim Tjernlund wrote:
> 
> So yes, there is a missing _tlbil_va() missing for 8xx somewhere
> but there is something more too.
> Maybe your new filter functions and my
>  powerpc, 8xx: DTLB Error must check for more errors.
> will do the trick?

Well, if we can't tell between a load and a store on a TLB miss, then
we should probably let it create an unpopulated entry in all cases,
so that we do take a proper DSI/ISI the second time around, which
would then tell us where we come from...

Ben.