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| author | Joerg Roedel <jroedel@suse.de> | 2017-10-13 14:32:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-18 09:35:39 +0200 |
| commit | 3abebf0b8c5f3f0b34e5417f386203a2ae51cb00 (patch) | |
| tree | 53784166792667d7716813699e7f5a9a49eb142d /drivers | |
| parent | 4f28d1a742f94a88175beb09d92bf5402fa0a6b4 (diff) | |
| download | linux-stable-3abebf0b8c5f3f0b34e5417f386203a2ae51cb00.tar.gz linux-stable-3abebf0b8c5f3f0b34e5417f386203a2ae51cb00.tar.bz2 linux-stable-3abebf0b8c5f3f0b34e5417f386203a2ae51cb00.zip | |
iommu/amd: Finish TLB flush in amd_iommu_unmap()
commit ce76353f169a6471542d999baf3d29b121dce9c0 upstream.
The function only sends the flush command to the IOMMU(s),
but does not wait for its completion when it returns. Fix
that.
Fixes: 601367d76bd1 ('x86/amd-iommu: Remove iommu_flush_domain function')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 c380b7e8f1c6..1a0b110f12c0 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3120,6 +3120,7 @@ static size_t amd_iommu_unmap(struct iommu_domain *dom, unsigned long iova, mutex_unlock(&domain->api_lock); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); return unmap_size; } |