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(parent: 5507eef) | patch
AMD IOMMU: align alloc_coherent addresses properly
authorJoerg Roedel <joerg.roedel@amd.com>
Thu, 4 Sep 2008 17:18:02 +0000 (19:18 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 19 Sep 2008 10:59:10 +0000 (12:59 +0200)
commit6d4f343f84993eb0d5864c0823dc9babd171a33a
treef9fc776688b0b0b9b495f10f6fda707661b38792tree | snapshot
parent5507eef835c9c941e69d6d96e4b43af23eeb4ac9commit | diff
AMD IOMMU: align alloc_coherent addresses properly

The API definition for dma_alloc_coherent states that the bus address
has to be aligned to the next power of 2 boundary greater than the
allocation size. This is violated by AMD IOMMU so far and this patch
fixes it.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/amd_iommu.c diff | blob | history
Domain: System / Kernel;