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SubjectRe: 2.6.0-test3-mm1: scheduling while atomic (ext3?)
On Wed, Aug 13, 2003 at 04:20:11PM +0100, Alan Cox wrote:
> K6-II/III does. I don't know about original K6. but I believe it
> doesn't. The original 3Dnow was a joint Cyrix/AMD thing and it lacks
> several instructions later added (including prefetch). The later Cyrix
> also has a couple of the additional ones but not prefetch.

Which Cyrixen are you talking about ?
C3's up to and including Ezra-T should DTRT when it comes to
3dnow prefetch instruction, and pre-VIA Cyrixen didn't have 3dnow
at all iirc.

Dave

--
Dave Jones http://www.codemonkey.org.uk
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