Messages in this thread | | | Subject | Re: [PATCH] intel-iommu: use coherent_dma_mask in alloc_coherent | From | David Woodhouse <> | Date | Sat, 18 Oct 2008 14:46:56 +0100 |
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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
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