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Date: Tue, 27 May 2008 22:38:22 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: MMIO and gcc re-ordering issue
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Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
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> re-ordering, even though I doubt it will be visible in practice. So if you 
> use the "__" versions, you'd better have barriers even on x86!

Are we also going to have __ioread*/__iowrite* ?

Also is the sematics of __readl/__writel defined for all architectures -
I used it ages ago in the i2o drivers for speed and it got removed
because it didn't build on some platforms.

Alan