dcbz works on 862 everywhere!

[Joakim Tjernlund]

> Can you post a patch which does everything (remove the TLB change bit,
> etc)?  Thanks.

Sure, but I don't want to restore the old TLB change bit. I removed it as a test only to see if
my system could take it. The kernel will do a lot DTLB errors if it is restored.

I will removed the Guarded flag though since I don't see why it's there. Speak up
now if you want to have it left.

     Jocke

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