linux-kernel - Re: [PATCH 0 of 9] swiotlb: use phys_addr

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Date:	Tue, 23 Dec 2008 03:43:42 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	jeremy@...p.org
Cc:	mingo@...e.hu, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xensource.com, x86@...nel.org,
	ian.campbell@...rix.com, beckyb@...nel.crashing.org,
	fujita.tomonori@....ntt.co.jp
Subject: Re: [PATCH 0 of 9] swiotlb: use phys_addr_t for pages

On Mon, 22 Dec 2008 10:26:02 -0800
Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Hi all,
> 
> Here's a work in progress series whcih does a partial revert of the
> previous swiotlb changes, and does a partial replacement with Becky
> Bruce's series.
> 
> The most important difference is Becky's use of phys_addr_t rather
> than page+offset to represent arbitrary pages.  This turns out to be
> simpler.

Great, thanks a lot!

But I think that we should just drop the previous patchset
completely and start cleanly.


> I didn't replicate the map_single_page changes, since I'm not exactly
> sure of ppc's requirements here, and it seemed like something that
> could be easily added.

I think the patch is not necessary. Just exporting map_single should
be fine.
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