x86/amd-iommu: Add per IOMMU reference counting

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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>

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This commit is contained in:

Joerg Roedel 2009-11-20 14:57:32 +01:00

parent bb52777ec4

commit c459611424

2 changed files with 11 additions and 3 deletions

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2

arch/x86/include/asm/amd_iommu_types.h

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12

arch/x86/kernel/amd_iommu.c

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