Messages in this thread |  | | Date | Mon, 17 Sep 2001 18:22:33 +0200 (CEST) | From | Dave Jones <> | Subject | Re: [Q] Implementation of spin_lock on i386: why "rep;nop" ? |
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On Mon, 17 Sep 2001, Jean-Marc Saffroy wrote:
> What is the intent behind this "rep;nop" ? Does it really rely on an > undocumented behaviour ?
Its used to stop Pentium 4's from cooking themselves. See the P4 manuals for more info.
regards,
Dave.
-- | Dave Jones. http://www.suse.de/~davej | SuSE Labs
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