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(parent: 1b57368) | patch
iommu coherency
authorWeidong Han <weidong.han@intel.com>
Mon, 8 Dec 2008 07:49:06 +0000 (15:49 +0800)
committerJoerg Roedel <joerg.roedel@amd.com>
Sat, 3 Jan 2009 13:02:18 +0000 (14:02 +0100)
commit8e604097ddc483eb1e6e99564953e4e937fe439a
treebbdae0a23cfa2248db27aa0e85bd82733811b108tree | snapshot (tar.gz zip)
parent1b5736839ae13dadc5947940144f95dd0f4a4a8ccommit | diff
iommu coherency

In dmar_domain, more than one iommus may be included in iommu_bmp. Due to "Coherency" capability may be different across iommus, set this variable to indicate iommu access is coherent or not. Only when all related iommus in a dmar_domain are all coherent, iommu access of this domain is coherent.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
drivers/pci/intel-iommu.c diff | blob | blame | history