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| author | Liu, Yi L <yi.l.liu@intel.com> | 2020-10-30 10:37:24 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-18 19:20:18 +0100 |
| commit | 9946509a027bcc1665d6a3b8e38ce6de138051ad (patch) | |
| tree | a81c190b6c65458aeb120c9e882c489c929863f2 /drivers/iommu | |
| parent | 2825a5bf3ca5d7a9ed27738aad5f7e26e1857111 (diff) | |
| download | linux-9946509a027bcc1665d6a3b8e38ce6de138051ad.tar.gz linux-9946509a027bcc1665d6a3b8e38ce6de138051ad.tar.bz2 linux-9946509a027bcc1665d6a3b8e38ce6de138051ad.zip | |
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>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-svm.c | 2 |
1 files changed, 1 insertions, 1 deletions
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) | |