Re: [RFC][PATCH] Runtime switching of the idle function [take 2]

From: Andi Kleen
Date: Tue Nov 29 2005 - 20:57:35 EST


> > Then you're likely running 32bit. It doesn't use vsyscall gettimeofday
> > yet, which makes it slower. 64bit would.
>
> Yes, I am. So it sounds like vsyscall gettimeofday for i386 is in the
> works?

John Stultz used to have patches for it, but for some reason he never
pushed them into mainline. On i386 it unfortunately needs adding
a test and branch to the syscall path to be 100% ABI compatible, but I
doubt that was the reason he dropped it.

-Andi
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