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Message-Id: <1224337616.6770.1366.camel@macbook.infradead.org>
Date: Sat, 18 Oct 2008 14:46:56 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc: mgross@...ux.intel.com, mingo@...e.hu, grundler@...isc-linux.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] intel-iommu: use coherent_dma_mask in alloc_coherent
On Wed, 2008-10-15 at 16:08 +0900, FUJITA Tomonori wrote:
> This patch fixes intel-iommu to use dev->coherent_dma_mask in
> alloc_coherent. Currently, intel-iommu uses dev->dma_mask in
> alloc_coherent but alloc_coherent is supposed to use
> coherent_dma_mask. It could break drivers that uses smaller
> coherent_dma_mask than dma_mask (though the current code works for the
> majority that use the same mask for coherent_dma_mask and dma_mask).
I've fixed this up to cope with the fact that dma_mask can be bigger
than an 'unsigned long', and committed it to the iommu-2-6.git tree.
Thanks.
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@...el.com Intel Corporation
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