iommu: Introduce iommu_iotlb_gather_add_page()

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Introduce a helper function for drivers to use when updating an
iommu_iotlb_gather structure in response to an ->unmap() call, rather
than having to open-code the logic in every page-table implementation.

Signed-off-by: Will Deacon <will@kernel.org>

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Will Deacon 2019-07-02 16:43:57 +01:00

parent a7d20dc19d

commit 4fcf8544fc

1 changed files with 31 additions and 0 deletions

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include/linux/iommu.h

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