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(parent: b2c66aa) | patch
iommu/vt-d: Clear pasid table entry when memory unbound
authorLu Baolu <baolu.lu@linux.intel.com>
Fri, 3 Nov 2017 16:51:34 +0000 (10:51 -0600)
committerAlex Williamson <alex.williamson@redhat.com>
Fri, 3 Nov 2017 16:51:34 +0000 (10:51 -0600)
commit6a53e8e9e1a6a8c57eaa02f9e298f01a66c3df1c
treedad10948cb5ed2933375afbee03d29d25786c76etree | snapshot
parentb2c66aad880edb139708fdafd59c6246b96c828ccommit | diff
iommu/vt-d: Clear pasid table entry when memory unbound

In intel_svm_unbind_mm(), pasid table entry must be cleared during
svm free. Otherwise, hardware may be set up with a wild pointer.

Suggested-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/iommu/intel-svm.c diff | blob | history
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