Re: [PATCH 4/6] x86/cpufreq: use cpumask_copy instead of =

From: Rusty Russell
Date: Wed Jun 10 2009 - 22:35:03 EST


On Thu, 11 Jun 2009 05:12:16 am Langsdorf, Mark wrote:
> > powernow_k8_target is problematic: it grabs a mutex. cpufreq
> > people, is this called often?
>
> Yes. It's the function that makes a frequency change
> happen, so 5+ times per second per core isn't
> unreasonable.

Right, so we need to revisit this. I'll leave it for the moment and put it on
my TODO list.

Thanks,
Rusty.
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