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Commit 1ff00279 authored by Jacob Pan's avatar Jacob Pan Committed by Joerg Roedel
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iommu/vt-d: Warn on out-of-range invalidation address



For guest requested IOTLB invalidation, address and mask are provided as
part of the invalidation data. VT-d HW silently ignores any address bits
below the mask. SW shall also allow such case but give warning if
address does not align with the mask. This patch relax the fault
handling from error to warning and proceed with invalidation request
with the given mask.

Fixes: 6ee1b77b ("iommu/vt-d: Add svm/sva invalidate function")
Signed-off-by: default avatarJacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20200724014925.15523-7-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 0fa1a15f
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