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| author | Joerg Roedel <jroedel@suse.de> | 2020-05-04 14:54:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-27 17:46:35 +0200 |
| commit | e0bb3075f91b0e47b0019ad64e86241e3abcd4f0 (patch) | |
| tree | aa281375bf35f93ff89bac0ffcb6f5cce6c74a89 /drivers | |
| parent | e1efb9893bdd007f5791c59ee906df0dfb6c39e3 (diff) | |
| download | linux-e0bb3075f91b0e47b0019ad64e86241e3abcd4f0.tar.gz linux-e0bb3075f91b0e47b0019ad64e86241e3abcd4f0.tar.bz2 linux-e0bb3075f91b0e47b0019ad64e86241e3abcd4f0.zip | |
iommu/amd: Call domain_flush_complete() in update_domain()
[ Upstream commit f44a4d7e4f1cdef73c90b1dc749c4d8a7372a8eb ]
The update_domain() function is expected to also inform the hardware
about domain changes. This needs a COMPLETION_WAIT command to be sent
to all IOMMUs which use the domain.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Qian Cai <cai@lca.pw>
Link: https://lore.kernel.org/r/20200504125413.16798-4-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index bc7771498342..32de8e7bb8b4 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2386,6 +2386,7 @@ static void update_domain(struct protection_domain *domain) domain_flush_devices(domain); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); } static int dir2prot(enum dma_data_direction direction) |