Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 1/4] iommu/amd: Finish TLB flush in amd_iommu_unmap() | Date | Fri, 13 Oct 2017 16:40:10 +0200 |
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From: Joerg Roedel <jroedel@suse.de>
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') Cc: stable@vger.kernel.org # >= 2.6.33 Signed-off-by: Joerg Roedel <jroedel@suse.de> --- drivers/iommu/amd_iommu.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index cb7c531..3a702c4 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3046,6 +3046,7 @@ 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; } -- 2.7.4
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