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

From: Avi Kivity
Date: Thu Jul 21 2011 - 11:59:39 EST


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.

--
error compiling committee.c: too many arguments to function

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