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Date: Thu, 8 Sep 2005 14:27:11 +1000
From: Paul Mackerras <paulus@samba.org>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
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Cc: linux-ppc-embedded <linuxppc-embedded@ozlabs.org>
Subject: Re: [PATCH] add big endian version of ld_/st_ IO access macros and
	convert main 8xx code to use it
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Marcelo Tosatti writes:

> eieio/isync are not required. There's no need to execute redudant
> instructions and occupy kernel space.

Given how long it takes to access I/O devices, I don't believe an
extra instruction or two is going to make a measurable difference.
Feel free to show me measurements proving me wrong, of course... :)

Paul.