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(parent: 59a6233) | patch
iommu/vt-d: Avoid sending invalid page response
authorJacob Pan <jacob.jun.pan@linux.intel.com>
Thu, 2 Jan 2020 00:18:09 +0000 (08:18 +0800)
committerJoerg Roedel <jroedel@suse.de>
Tue, 7 Jan 2020 13:05:57 +0000 (14:05 +0100)
commit5f75585e19cc7018bf2016aa771632081ee2f313
tree8c733fbb0ccbde4c163ab0c49b21bf0e1442b243tree | snapshot
parent59a623374dc38f7724457c59753c3f02fac6aed6commit | diff
iommu/vt-d: Avoid sending invalid page response

Page responses should only be sent when last page in group (LPIG) or
private data is present in the page request. This patch avoids sending
invalid descriptors.

Fixes: 5d308fc1ecf53 ("iommu/vt-d: Add 256-bit invalidation descriptor support")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel-svm.c diff | blob | history