Re: current linux-2.6.git: cpusets completely broken

[Andi Kleen]

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:
>
> Btw - the way to avoid this whole problem might be to make CPU migration 
> use a *different* CPU map than "online".

In general I think we need more such masks. Some time ago I had
a patch to introduce cpu_ever_online_mask, which prevented some
problems with accessing uninitialized per cpu data.

-Andi
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