Re: [PATCH] printk: use this_cpu_{read|write} api on printk_pending

[Eric Dumazet]

Le vendredi 26 novembre 2010 Ã 11:11 -0600, Christoph Lameter a Ãcrit :

> I thought sanity tests do not apply for performance testing scenarios?
> 

CONFIG_DEBUG_PREEMPT

> smp_processor_id() is usually a simple per cpu data access and very fast.
> 

Sure, but when its already in a register, its better to use the
register ;)



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