iommu/vt-d: Fix a bug for PDP check in prq_event_thread

[ Upstream commit 71cd8e2d16703a9df5c86a9e19f4cba99316cc53 ]

In prq_event_thread(), the QI_PGRP_PDP is wrongly set by
'req->pasid_present' which should be replaced to
'req->priv_data_present'.

Fixes: 5b438f4ba315 ("iommu/vt-d: Support page request in scalable mode")
Signed-off-by: Liu, Yi L <yi.l.liu@intel.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/1604025444-6954-3-git-send-email-yi.y.sun@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index a71fbbddaa66e31653088aff68a457624b8134ba..20fa8c7fcd8e789b0daa616d3d607b81f87e753f 100644 (file)
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -1001,7 +1001,7 @@ no_pasid:
                        resp.qw0 = QI_PGRP_PASID(req->pasid) |
                                QI_PGRP_DID(req->rid) |
                                QI_PGRP_PASID_P(req->pasid_present) |
-                               QI_PGRP_PDP(req->pasid_present) |
+                               QI_PGRP_PDP(req->priv_data_present) |
                                QI_PGRP_RESP_CODE(result) |
                                QI_PGRP_RESP_TYPE;
                        resp.qw1 = QI_PGRP_IDX(req->prg_index) |