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Linux Kernel Mailing List Archive

From: Andi Kleen (ak@suse.de)
Date: Tue Dec 14 2004 - 23:58:55 EST


> > And just to clarify, are you saying you want to see this before inclusion
> > in mainline kernels, or that it would be nice to have but not necessary?
>
> I'd say it's a nice to have, rather than necessary, as long as it's not
> forced upon people. Maybe a config option that's on by default on ia64
> or something. Causing yourself TLB problems is much more acceptable than
> causing it for others ;-)

Given that Brent did lots of benchmarks which didn't show any slowdowns
I don't think this is really needed (at least as long as nobody
demonstrates a ireal slowdown from the patch). And having such special
cases is always ugly, better not have them when not needed.

-Andi
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