Re: Q: perf_install_in_context/perf_event_enable are racy?

[Peter Zijlstra]

On Wed, 2011-01-26 at 20:33 +0100, Peter Zijlstra wrote:

> Wouldn't something like the below cure things too?

> +struct task_function_call {
> +	struct task_struct *p;
> +	void (*func)(void *info);
> +	void *info;
> +};
> +
> +void task_function_trampoline(void *data)
> +{
> +	struct task_function_call *tfc = data;
> +
> +	if (this_rq()->curr != tfc->p)
> +		return;
> +
> +	tfc->func(tfc->data);
> +}

tfc->info of course ;-)
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