Re: RFC: unlazy fpu for frequent fpu users

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 > +	/* prefetch the fxsave area into the cache */
 > +	prefetch(&next->i387.fxsave);

This chunk is not obviously related to the rest of the patch, and
perhaps needs additional justification.

And the comment getting pretty close to

	/* set i to 2 */
	i = 2;

territory ;)

 - R.
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