Re: [PATCH] powerpc/8xx: fix regression introduced by cache coherency rewrite
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2009-10-03 10:57:42
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2009-10-03 10:57:42
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.