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| author | Joerg Roedel <jroedel@suse.de> | 2020-05-04 14:54:11 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-05-05 14:38:38 +0200 |
| commit | f44a4d7e4f1cdef73c90b1dc749c4d8a7372a8eb (patch) | |
| tree | 25111b3df6d5325450b91d29f7847fc8176529b1 /drivers | |
| parent | 5b8a9a047b6cad361405c7900c1e1cdd378c4589 (diff) | |
| download | lwn-f44a4d7e4f1cdef73c90b1dc749c4d8a7372a8eb.tar.gz lwn-f44a4d7e4f1cdef73c90b1dc749c4d8a7372a8eb.zip | |
iommu/amd: Call domain_flush_complete() in update_domain()
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>
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 68da484a69dd..d2499c86d395 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2321,6 +2321,7 @@ static void update_domain(struct protection_domain *domain) domain_flush_devices(domain); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); } int __init amd_iommu_init_api(void) |