Re: Very high load on P4 machines with 2.4.28

[Alan Cox]

> Maybe I am victim of marketing (or poor memory) but wasn't it so that 
> x86 instruction HLT was possible to use for single logical processor?

You can easily park one of the threads ("rep nop" is used as a hint to
give the CPU back to the other thread so

1:	hlt
	rep nop
	jr 1b

ought to do it, but in HT mode other stuff like the cache behaviour is
often changed

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