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Date: Sat, 09 Sep 2006 16:08:10 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@...l.org>
Cc: Paul Mackerras <paulus@...ba.org>, linux-kernel@...r.kernel.org,
benh@...nel.crashing.org, akpm@...l.org,
segher@...nel.crashing.org, davem@...emloft.net
Subject: Re: Opinion on ordering of writel vs. stores to RAM
Ar Gwe, 2006-09-08 am 19:42 -0700, ysgrifennodd Linus Torvalds:
> It shouldn't. It's too expensive.
Well it does because way back when you said it should 8)
__writel/__readl were the ones allowed to be un-ordered.
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