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| author | Eric Auger <eric.auger@redhat.com> | 2019-06-03 08:53:33 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-06-12 10:32:59 +0200 |
| commit | e143fd4598ddf7401d3699957cd59ceb5426d53d (patch) | |
| tree | 9cf67a124b71f80c84d120d49a396fe6b3df6955 /tools/perf/scripts/python/syscall-counts.py | |
| parent | b9a7f9816483b19360b92e9b8c91bea2f9f30308 (diff) | |
iommu/vt-d: Handle RMRR with PCI bridge device scopes
When reading the vtd specification and especially the
Reserved Memory Region Reporting Structure chapter,
it is not obvious a device scope element cannot be a
PCI-PCI bridge, in which case all downstream ports are
likely to access the reserved memory region. Let's handle
this case in device_has_rmrr.
Fixes: ea2447f700ca ("intel-iommu: Prevent devices with RMRRs from being placed into SI Domain")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions