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From: David Woodhouse <dwmw2@infradead.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: mgross@linux.intel.com, mingo@elte.hu, grundler@parisc-linux.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] intel-iommu: use coherent_dma_mask in alloc_coherent
Date: Sat, 18 Oct 2008 14:46:56 +0100	[thread overview]
Message-ID: <1224337616.6770.1366.camel@macbook.infradead.org> (raw)
In-Reply-To: <20081015160732K.fujita.tomonori@lab.ntt.co.jp>

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@intel.com                              Intel Corporation


  parent reply	other threads:[~2008-10-18 13:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-15  7:08 FUJITA Tomonori
2008-10-16  2:52 ` Grant Grundler
2008-10-18 13:46 ` David Woodhouse [this message]
2008-10-20  0:46   ` FUJITA Tomonori
2008-10-20  7:21     ` David Woodhouse

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