Re: [patch] remove the BKL (Big Kernel Lock), this time for real

[Andi Kleen]

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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