Re: [patch] remove the BKL (Big Kernel Lock), this time for real
From: Andi Kleen
Date: Wed Sep 15 2004 - 10:51:50 EST
Ingo Molnar <mingo@xxxxxxx> writes:
> the attached patch is a new approach to get rid of Linux's Big Kernel
> Lock as we know it today.
Interesting approach. Did you measure what it does to context
switch rates? Usually adding semaphores tends to increase them
a lot.
One minor comment only:
Please CSE "current" manually. It generates much better code
on some architectures because the compiler cannot do it for you.
-Andi
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