diff options
| author | Suravee Suthikulpanit <[email protected]> | 2018-03-21 12:46:19 -0600 |
|---|---|---|
| committer | Alex Williamson <[email protected]> | 2018-03-21 12:46:19 -0600 |
| commit | 6bd06f5a486c06023a618a86e8153b91d26f75f4 (patch) | |
| tree | 1a3eb894fd10a6b101644824c79eb91a934d96b2 /tools/perf/scripts/python/stackcollapse.py | |
| parent | c698ca5278934c0ae32297a8725ced2e27585d7f (diff) | |
vfio/type1: Adopt fast IOTLB flush interface when unmap IOVAs
VFIO IOMMU type1 currently upmaps IOVA pages synchronously, which requires
IOTLB flushing for every unmapping. This results in large IOTLB flushing
overhead when handling pass-through devices has a large number of mapped
IOVAs. This can be avoided by using the new IOTLB flushing interface.
Cc: Alex Williamson <[email protected]>
Cc: Joerg Roedel <[email protected]>
Signed-off-by: Suravee Suthikulpanit <[email protected]>
[aw - use LIST_HEAD]
Signed-off-by: Alex Williamson <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions