Re: [PATCH 1/3] perf: add context field to perf_event

Avi Kivity
2011-07-21T15:59:35Z

On 07/21/2011 06:46 PM, Will Deacon wrote:
> >
> > This is (and must be) called from a preempt disabled context, no mutexes
> > around here.
>
> Bah, yes, that is essential if you're dealing with current. Maybe use a
> spinlock instead?

Could work. Not thrilled about adding it to the kvm hot path, but I
can't say it will make a measurable impact.

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error compiling committee.c: too many arguments to function