Re: [PATCH] x86: Simplify cpu_idle_wait

[Andi Kleen]

> -	set_cpus_allowed(current, tmp);
> +	smp_mb();
> +	/* kick all the CPUs so that they exit out of pm_idle */
> +	smp_call_function(do_nothing, NULL, 0, 0);

I think the last argument (wait) needs to be 1 to make sure it is 
synchronous (for 32/64) Otherwise the patch looks great.

-Andi

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