From 9946509a027bcc1665d6a3b8e38ce6de138051ad Mon Sep 17 00:00:00 2001 From: "Liu, Yi L" Date: Fri, 30 Oct 2020 10:37:24 +0800 Subject: [PATCH] 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 Signed-off-by: Yi Sun Acked-by: Lu Baolu Link: https://lore.kernel.org/r/1604025444-6954-3-git-send-email-yi.y.sun@linux.intel.com Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- drivers/iommu/intel-svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index 1d3816cd65d5..ec69a99b99ba 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -646,7 +646,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) 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) |