linux-kernel - Re: [RFC/PARTIAL PATCH 0/3] dma: passing "attributes" to dma_map

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Message-ID: <20080109005559.GH23661@sgi.com>
Date:	Tue, 8 Jan 2008 16:55:59 -0800
From:	akepner@....com
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Roland Dreier <rdreier@...co.com>, Tony Luck <tony.luck@...el.com>,
	Grant Grundler <grundler@...isc-linux.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Jes Sorensen <jes@....com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	David Miller <davem@...emloft.net>,
	Muli Ben-Yehuda <muli@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC/PARTIAL PATCH 0/3] dma: passing "attributes" to dma_map_* routines

On Tue, Jan 08, 2008 at 12:21:44PM -0600, James Bottomley wrote:
> ...
> But the point is that the Altix does something non-standard but which
> was later standardised (in a different way) largely so others could also
> benefit from the relaxed ordering speedup.
>

When you say that Altix does "something ... which was later 
standardized", what is "something"? 

The thing that I'm trying to address here is the reordering 
that may occur within the NUMA fabric. As far as I'm aware 
there's no standard for that.

-- 
Arthur

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