Re: Should we use preempt_disable() in sleep_on_common()?

[Arjan van de Ven]

On Thu, 3 Dec 2009 14:49:14 +0800
liu pf <kernelfans@xxxxxxxxx> wrote:

> Hi:
> 
> I am puzzled with the following scenario. Could anyone enlighten me?


sleep_on family of APIs is very racy and just cannot be used correctly;
I'm not surprised that there's a preempt race in it, but trust me, it's
not the biggest race... never ever use these APIs!!!


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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