diff options
| author | Filippo Sironi <sironi@amazon.de> | 2019-09-10 19:49:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 14:46:47 +0100 |
| commit | 91586b4d9cae8fd12c6e6ae1b1c2c342c88cc95d (patch) | |
| tree | e3c4705b2c6dc5f58639094c752732223792a417 /drivers/iommu/amd_iommu.c | |
| parent | 8bfb051a68c2b0f08ac685296993574e5861bd9b (diff) | |
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>
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index d09c24825734..778f167be2d3 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2160,6 +2160,8 @@ skip_ats_check: */ domain_flush_tlb_pde(domain); + domain_flush_complete(domain); + return ret; } |