Re: [PATCH net] net: add cpu_relax to busy poll loop

From: David Miller
Date: Wed Aug 28 2013 - 17:46:29 EST


From: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>
Date: Sun, 25 Aug 2013 10:23:46 +0300

> Add a cpu_relaxt to sk_busy_loop.
>
> Julie Cummings reported performance issues when hyperthreading is on.
> Arjan van de Ven observed that we should have a cpu_relax() in the
> busy poll loop.
>
> Reported-by: Julie Cummings <julie.a.cummings@xxxxxxxxx>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>

Applied, thank you.
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