[PATCH 1/2] 476: Set CCR2[DSTI] to prevent isync from flushing shadow TLB

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Sep 28 07:10:52 EST 2010

On Mon, 2010-09-27 at 10:26 -0500, Dave Kleikamp wrote:
> I think I made it a config option at Ben's request when I first started
> this work last year, before being sidetracked by other priorities.  I
> could either remove the option, or default it to 'n'.  It might be best
> to just hard-code the behavior to make sure it's exercised, since
> there's no 47x hardware in production yet, but we can give Ben a chance
> to weigh in with his opinion.

You can remove the option I suppose. It was useful to have it during
early bringup but probably not anymore.


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