iommu/amd: Don't hold a reference to mm_struct

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With mmu_notifiers we don't need to hold a reference to the
mm_struct during the time the pasid is bound to a device. We
can rely on the .mn_release call back to inform us when the
mm_struct goes away.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <Oded.Gabbay@amd.com>

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Joerg Roedel 2014-07-08 15:15:07 +02:00

parent 53d340ef4a

commit f0aac63b87

1 changed files with 33 additions and 7 deletions

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drivers/iommu/amd_iommu_v2.c

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