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Subject: Re: netpoll/netconsole minor tweaks
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Chris Wright <chrisw@osdl.org>
Cc: Matt Mackall <mpm@selenic.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Iau, 2003-09-18 at 17:48, Chris Wright wrote:
> > <pedant>
> > should be cpu_relax();
> > </pedant>
> 
> Hrm, there's many spots that aren't using it.  What's the benefit, less
> power consumption?  Is it worth a patch to convert other things over?

It speeds up hyperthreading CPUs by letting them know that this
paticular thread is waiting for stuff (sched_yield for silicon)

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