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iommu/amd: Don't use MSI address range for DMA addresses
authorJoerg Roedel <joerg.roedel@amd.com>
Wed, 6 Jul 2011 15:14:44 +0000 (17:14 +0200)
committerAndi Kleen <ak@linux.intel.com>
Mon, 1 Aug 2011 20:55:03 +0000 (13:55 -0700)
commit08b751d515c0f2745b3e3c6bc7ca5a3f2747fe28
tree1b7a599c36e0fa5772143374d19da7678a088cd0tree | snapshot
parentdd4e598f13dd3e9c871034dd22ace5977fa4c37acommit | diff
iommu/amd: Don't use MSI address range for DMA addresses

[ upstream commit 17f5b569e09cfa3488eaa663cbf9feada2e789f5 ]

Reserve the MSI address range in the address allocator so
that MSI addresses are not handed out as dma handles.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
arch/x86/kernel/amd_iommu.c diff | blob | history
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