[PATCH 4/8] 8xx: Fixup DAR from buggy dcbX instructions.

Joakim Tjernlund joakim.tjernlund at transmode.se
Thu Oct 15 08:41:30 EST 2009

Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote on 14/10/2009 23:17:09:
> On Wed, 2009-10-14 at 16:14 -0500, Scott Wood wrote:
> >
> > I think the last working version was a little older than that -- and it's quite
> > possible that there was underlying badness even earlier that just recently got
> > exposed.  I think I want to just debug it and find out what's really going on.
> That would be good :-)
> I've been itching to do that but without HW it's not trivial :-)

Meanwhile, how about the tlb asm you promised me? :)
It will be a challenge I think since you only have 2 GPRs
I guess it would be possible to stash yet another reg since it
will fit in the cache line already used by the TLB handlers.


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