iommu/amd: Flush the IOMMU TLB before the addresses are freed
This allows to keep the bitmap_lock only for a very short
period of time.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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This allows to keep the bitmap_lock only for a very short
period of time.
Signed-off-by: Joerg Roedel <jroedel@suse.de>