tree ad066a39e18b9f9ac951fecb6a0e23d76b3d057c
parent cfae028fd3a9266f50fd39a0745b36d1a690af7d
author Filippo Sironi <sironi@amazon.de> 1568137761 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1580289872 +0100

iommu/amd: Wait for completion of IOTLB flush in attach_device

[ Upstream commit 0b15e02f0cc4fb34a9160de7ba6db3a4013dc1b7 ]

To make sure the domain tlb flush completes before the
function returns, explicitly wait for its completion.

Signed-off-by: Filippo Sironi <sironi@amazon.de>
Fixes: 42a49f965a8d ("amd-iommu: flush domain tlb when attaching a new device")
[joro: Added commit message and fixes tag]
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>