linux-kernel - Re: [PATCH 0/2] x86: per-device dma_mapping

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Message-ID: <20080515152631.GG6778@il.ibm.com>
Date:	Thu, 15 May 2008 18:26:31 +0300
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	andi@...stfloor.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, alexisb@...ibm.com
Subject: Re: [PATCH 0/2] x86: per-device dma_mapping_ops

On Thu, May 15, 2008 at 06:41:26PM +0900, FUJITA Tomonori wrote:

> I thought that KVM people want to do it per device (in the first
> case). So with my patchse, they can replace the dma_ops pointer in
> dev_archdata with what they want.

That's my understanding too. We use stackable ops as a poor man's
replacement for per-device ops (depending on what kind of device it
is, call the original ops or our pvdma ops).

Cheers,
Muli



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