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Commit 494b3688 authored by Lu Baolu's avatar Lu Baolu Committed by Joerg Roedel
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iommu/vt-d: Correctly check addr alignment in qi_flush_dev_iotlb_pasid()



An incorrect address mask is being used in the qi_flush_dev_iotlb_pasid()
to check the address alignment. This leads to a lot of spurious kernel
warnings:

[  485.837093] DMAR: Invalidate non-aligned address 7f76f47f9000, order 0
[  485.837098] DMAR: Invalidate non-aligned address 7f76f47f9000, order 0
[  492.494145] qi_flush_dev_iotlb_pasid: 5734 callbacks suppressed
[  492.494147] DMAR: Invalidate non-aligned address 7f7728800000, order 11
[  492.508965] DMAR: Invalidate non-aligned address 7f7728800000, order 11

Fix it by checking the alignment in right way.

Fixes: 288d08e7 ("iommu/vt-d: Handle non-page aligned address")
Reported-and-tested-by: default avatarGuo Kaijie <Kaijie.Guo@intel.com>
Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Cc: Liu Yi L <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20210119043500.1539596-1-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent a44092e3
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