Re: [patch 1/2] stop_machine: enable __stop_machine() to be calledfrom the cpu online path

[H. Peter Anvin]

On 06/07/2011 11:38 AM, Suresh Siddha wrote:
> 
> This is kind of a false positive. We are just checking if the calling
> cpu is online/offline (and there is no possible process migration
> between an online and offline cpu).
> 

Is the state not available in a percpu variable of some sort?  If not,
shouldn't it be rather than indirecting via a CPU number?

	-hpa
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