Re: HT and idle = poll

Alan Cox (alan@lxorguk.ukuu.org.uk)
06 Mar 2003 21:09:29 +0000

On Thu, 2003-03-06 at 19:30, Linus Torvalds wrote:
> >So, don't use idle=poll with HT when you know your workload has idle time! I
> >have not tried oprofile, but it stands to reason that this would be a

idle=poll probably needs to be doing "rep nop" in a tight loop. That
ironically also saves more power than "hlt" on PIV last time someone
investigated

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