[PATCH 1/5] iommu/amd: Wait for completion of IOTLB flush in attach_device

Filippo Sironi
2019-09-10T17:49:46Z

drivers/iommu/amd_iommu.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 61de81965c44..f026a8c2b218 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2169,6 +2169,8 @@ static int attach_device(struct device *dev,
*/
domain_flush_tlb_pde(domain);

+ domain_flush_complete(domain);
+
return ret;
}

--
2.7.4