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| author |   Omer Peleg <omer@cs.technion.ac.il> | 2016-04-20 19:03:35 +0300 |
|---|---|---|
| committer |   David Woodhouse <David.Woodhouse@intel.com> | 2016-04-20 15:06:15 -0400 |
| commit | 0824c5920b16fe11034f3b5d2d48456d282d83f9 (patch) | |
| tree | 0334d21ae66afbf95e56a0d9e08f673ae3dc0ac5 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | iommu/vt-d: only unmap mapped entries (diff) | |
| download | wireguard-linux-0824c5920b16fe11034f3b5d2d48456d282d83f9.tar.xz wireguard-linux-0824c5920b16fe11034f3b5d2d48456d282d83f9.zip | |
iommu/vt-d: avoid dev iotlb logic for domains with no dev iotlbs
This patch avoids taking the device_domain_lock in iommu_flush_dev_iotlb()
for domains with no dev iotlb devices.
Signed-off-by: Omer Peleg <omer@cs.technion.ac.il>
[gvdl@google.com: fixed locking issues]
Signed-off-by: Godfrey van der Linden <gvdl@google.com>
[mad@cs.technion.ac.il: rebased and reworded the commit message]
Signed-off-by: Adam Morrison <mad@cs.technion.ac.il>
Reviewed-by: Shaohua Li <shli@fb.com>
Reviewed-by: Ben Serebrin <serebrin@google.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions