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>
This commit is contained in:
Joerg Roedel 2015-12-21 13:23:59 +01:00
commit 84b3a0bc88