linux-kernel - Re: [RFC patch] init default dma_ops to prepare intel_iommu

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Message-Id: <20090813161407A.fujita.tomonori@lab.ntt.co.jp>
Date:	Thu, 13 Aug 2009 16:14:46 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	luming.yu@...il.com
Cc:	fujita.tomonori@....ntt.co.jp, fenghua.yu@...el.com,
	dwmw2@...radead.org, tony.luck@...el.com,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [RFC patch] init default dma_ops to prepare intel_iommu_init 
	failure

On Thu, 13 Aug 2009 15:03:20 +0800
Luming Yu <luming.yu@...il.com> wrote:

> Thanks for another workaround, we should be working on deleting wrong
> assumption of"iommu_deteced == iommu working", Not just workaround. My
> patch could break something.. but it is just a start towards right
> goal..

As I explained, your patch doesn't go toward the right goal.

And if you want to fix this problem right now, my workaround patch is
much better than yours; it doesn't waste 64MB.
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