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Date: Wed, 1 Nov 2017 22:25:54 +0100 From: Willy Tarreau <w@....eu> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, linux@...ck-us.net Cc: Joerg Roedel <jroedel@...e.de>, Willy Tarreau <w@....eu> Subject: [PATCH 3.10 053/139] iommu/amd: Finish TLB flush in amd_iommu_unmap() From: Joerg Roedel <jroedel@...e.de> 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') Cc: stable@...r.kernel.org Signed-off-by: Joerg Roedel <jroedel@...e.de> Signed-off-by: Willy Tarreau <w@....eu> --- 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 0e7cd14..88ba964 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3402,6 +3402,7 @@ 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; } -- 2.8.0.rc2.1.gbe9624a
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