linux-kernel - Re: [PATCH V2 0/7] swiotlb: changes for powerpc/highmem

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Date:	Tue, 7 Apr 2009 11:24:42 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	beckyb@...nel.crashing.org
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, jeremy@...p.org,
	fujita.tomonori@....ntt.co.jp, ian.campbell@...rix.com
Subject: Re: [PATCH V2 0/7] swiotlb: changes for powerpc/highmem

On Fri,  3 Apr 2009 20:56:42 -0500
Becky Bruce <beckyb@...nel.crashing.org> wrote:

> This is v2 of a series of fairly minor patches that get swiotlb
> working on 32-bit powerpc systems with HIGHMEM, plus some cleanup
> of the outdated comments in the code. I've made a couple of things
> weak that ppc needs to override, and have changed the prototypes
> for a couple of functions to include the hwdev pointer, which
> we need to ppc to convert bus addresses to and from phys/virt
> addresses. I've also fixed a build warning I've been seeing on
> ppc.
> 
> In response to commentary on the previous series, I've also
> refactored the code a bit, altough I did this slightly
> differently than was suggested because I noticed we could use the
> new helper function in 2 places instead of one. I've reformatted
> a bit of code based on commentary as well.
> 
> I have not tested this in any way on any non-ppc platforms,
> so commentary/testing from x86/ia64 folks is, once again,
> greatly appreciated.
> 
> I'm going to be offline for the next week, but will respond to
> commentary as soon as I return.
> 
> Cheers,
> Becky
> 
> diffstat:
> arch/x86/kernel/pci-swiotlb.c |    2 +-
> include/linux/swiotlb.h       |    3 +-
> lib/swiotlb.c                 |  115 ++++++++++++++++++++++-------------------
> 3 files changed, 64 insertions(+), 56 deletions(-)

I have a minor comment on 5/7 but the rest looks fine to me.
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