linux-kernel - Re: [RFC][PATCH] x86 calgary: add fallback dma

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Message-ID: <20080511100858.GV7484@il.ibm.com>
Date:	Sun, 11 May 2008 13:08:58 +0300
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	alexisb@...ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH] x86 calgary: add fallback dma_ops]]

On Fri, May 09, 2008 at 09:23:29AM +0900, FUJITA Tomonori wrote:

> Can we put a pointer to dma_ops in struct device (archdata) like
> POWER does? The way to setup and handle x86 IOMMUs seems to become
> hacky day by day.

Per-device dma-ops will be useful for KVM (for pass-through device
support) and IB as well.

Cheers,
Muli
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