x86/amd-iommu: Flush device IOTLB if ATS is enabled

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This patch implements a function to flush the IOTLB on
devices supporting ATS and makes sure that this TLB is also
flushed if necessary.

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

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This commit is contained in:

Joerg Roedel 2011-04-05 11:00:53 +02:00

parent 9844b4e5dd

commit cb41ed85ef

2 changed files with 75 additions and 2 deletions

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3

arch/x86/include/asm/amd_iommu_types.h

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74

arch/x86/kernel/amd_iommu.c

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