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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2019-03-20 09:58:33 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-03-22 12:02:26 +0100 |
| commit | 5bb71fc790a88d063507dc5d445ab8b14e845591 (patch) | |
| tree | c21370e76c78b268cc3d3b00d9ccf3559d723d65 /tools/perf/scripts/python/powerpc-hcalls.py | |
| parent | 80ef4464d5e27408685e609d389663aad46644b9 (diff) | |
iommu/vt-d: Check capability before disabling protected memory
The spec states in 10.4.16 that the Protected Memory Enable
Register should be treated as read-only for implementations
not supporting protected memory regions (PLMR and PHMR fields
reported as Clear in the Capability register).
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: mark gross <mgross@intel.com>
Suggested-by: Ashok Raj <ashok.raj@intel.com>
Fixes: f8bab73515ca5 ("intel-iommu: PMEN support")
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'tools/perf/scripts/python/powerpc-hcalls.py')
0 files changed, 0 insertions, 0 deletions