Re: [PATCH] I/O space write barrier

From: Benjamin Herrenschmidt
Date: Mon Oct 04 2004 - 20:30:47 EST


On Tue, 2004-10-05 at 10:32, Albert Cahalan wrote:


> Ideally, it would be eieio, and the eieio in each
> of the IO operations would be removed. Finding and
> fixing all the drivers that break looks impossible
> though; most driver developers will be on x86 boxes.

I don't agree. IO operations shouldn't be relaxed by
default. That's really asking too much of driver writers

Ben.

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