diff options
| author | Moshe Lazer <moshel@mellanox.com> | 2016-10-27 16:36:42 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-11-16 20:03:44 -0500 |
| commit | 6bc1a656ab9f57f0112823b4a36930c9a29d1f89 (patch) | |
| tree | 6e76546703284ab7d3e1a25c389b31511ff930f8 /tools/perf/scripts/python/sctop.py | |
| parent | 16b0e0695a73b68d8ca40288c8f9614ef208917b (diff) | |
IB/mlx5: Resolve soft lock on massive reg MRs
When calling reg_mr of large MRs (e.g. 4GB) from multiple processes
and MR caches can't supply the required amount of MRs the slow-path
of MR allocation may be used. In this case we need to serialize the
slow-path between the processes to avoid soft lock.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Moshe Lazer <moshel@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
0 files changed, 0 insertions, 0 deletions