Re: AIM7 40% regression with 2.6.26-rc1

[Alan Cox]

> But my preferred option would indeed be just turning it back into a 
> spinlock - and screw latency and BKL preemption - and having the RT people 
> who care deeply just work on removing the BKL in the long run.

It isn't as if the RT build can't use a different lock type to the
default build.

> Is BKL preemption worth it? Sounds very dubious. Sounds even more dubious 
> when we now apparently have even more reason to aim for removing the BKL 
> rather than trying to mess around with it.

We have some horrible long lasting BKL users left unfortunately.

Alan
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