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x86/amd-iommu: Add per IOMMU reference counting
authorJoerg Roedel <joerg.roedel@amd.com>
Fri, 20 Nov 2009 13:57:32 +0000 (14:57 +0100)
committerJoerg Roedel <joerg.roedel@amd.com>
Fri, 27 Nov 2009 10:45:50 +0000 (11:45 +0100)
This patch adds reference counting for protection domains
per IOMMU. This allows a smarter TLB flushing strategy.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

No differences found
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