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Date: Tue, 17 Nov 2020 14:04:14 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, "Liu, Yi L" <yi.l.liu@...el.com>, Yi Sun <yi.y.sun@...ux.intel.com>, Lu Baolu <baolu.lu@...ux.intel.com>, Joerg Roedel <jroedel@...e.de>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.4 024/151] iommu/vt-d: Fix a bug for PDP check in prq_event_thread From: Liu, Yi L <yi.l.liu@...el.com> [ 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@...el.com> Signed-off-by: Yi Sun <yi.y.sun@...ux.intel.com> Acked-by: Lu Baolu <baolu.lu@...ux.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@...e.de> Signed-off-by: Sasha Levin <sashal@...nel.org> --- 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 1d3816cd65d57..ec69a99b99bab 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) | -- 2.27.0
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