Re: [PATCH] ia64: disable preemption in udelay()

From: Alan Cox <alan_at_lxorguk.ukuu.org.uk>
Date: 2005-12-17 01:14:28
On Iau, 2005-12-15 at 17:04 -0800, Luck, Tony wrote:
> Being out-of-line would reduce accuracy, but this would only be
> significant when the sleep is for a very small number of microseconds.

Even then its a predicted branch to code that will probably be in cache
so really ought to have no material impact.


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Received on Sat Dec 17 01:15:12 2005

This archive was generated by hypermail 2.1.8 : 2005-12-17 01:15:20 EST