Re: Q: perf_install_in_context/perf_event_enable are racy?

[Peter Zijlstra]

On Wed, 2011-01-26 at 22:33 +0100, Oleg Nesterov wrote:
> 
> This is what I had in mind initially but I didn't dare to add the
> new member into rq, it is only needed for perf. 

Right, but its a weakness in the task_oncpu_function_call()
implementation, wouldn't any user run into this problem eventually?
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