diff options
| author | Maor Gottlieb <[email protected]> | 2017-03-29 06:03:02 +0300 |
|---|---|---|
| committer | Doug Ledford <[email protected]> | 2017-04-21 12:26:05 -0400 |
| commit | ecc7d83be3243835c9396a1a2fb8ce95f205207b (patch) | |
| tree | 974b9d74fec90fb7532383312f2b5330a353e363 /tools/perf/scripts/python | |
| parent | ca37a664a8e4e9988b220988ceb4d79e3316f195 (diff) | |
IB/mlx5: Take write semaphore when changing the vma struct
When the driver disassociate user context, it changes the vma to
anonymous by setting the vm_ops to null and zap the vma ptes.
In order to avoid race in the kernel, we need to take write lock
before we change the vma entries.
Fixes: 7c2344c3bbf97 ('IB/mlx5: Implements disassociate_ucontext API')
Signed-off-by: Maor Gottlieb <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions