diff options
| author |   Leon Romanovsky <leonro@mellanox.com> | 2018-07-10 13:31:48 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-07-13 12:09:57 -0600 |
| commit | 40ddacf2dda952e0f33b40d850bf5f7403bdbe0f (patch) | |
| tree | fa48e9042a67efda006a5da0266d40117740db46 /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | IB/srpt: Fix srpt_cm_req_recv() error path (2/2) (diff) | |
RDMA/umem: Don't hold mmap_sem for too long
DMA mapping is time consuming operation and doesn't need to be performed
with mmap_sem semaphore is held.
The semaphore only needs to be held for accounting and get_user_pages
related activities.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions