Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 15/39] iommu/amd: Finish TLB flush in amd_iommu_unmap() | Date | Mon, 16 Oct 2017 18:16:11 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Joerg Roedel <jroedel@suse.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') Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/iommu/amd_iommu.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3120,6 +3120,7 @@ static size_t amd_iommu_unmap(struct iom mutex_unlock(&domain->api_lock); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); return unmap_size; }
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