Re: [char-misc-next 07/15] mei: use wrietl/readl instead of iowrappers

[Alan Cox]

> > so you need to tweak the map/unmap if you do this.
> > 
> > As to overhead. I'd love to see a measurement that can detect the
> > difference. Do you have a benchmark that shows it ?
> 
> Don't have any numbers but it seems reasonable to me.

Processors are pretty good at prediction these days. I've not seen any
evidence to support the assumption.

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