Re: [PATCH] Scheduling problems wrt SMP

[Linus Torvalds]

On Fri, 18 Dec 1998, David S. Miller wrote:
> 
> And most of the time on x86 it happens because idlers on SMP there
> just slam into the scheduler() over and over even when zero useful
> work is available.

No they don't. Read the sources.

The idle loop calls "hlt", which waits for an interrupt.

                Linus

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