diff options
| author | Davidlohr Bueso <[email protected]> | 2013-07-08 16:01:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-07-09 10:33:27 -0700 |
| commit | ac0ba20ea6f2201a1589d6dc26ad1a4f0f967bb8 (patch) | |
| tree | bc3e2e4c4140f07ee1861b724ba7e1b295d7bbc6 /lib/mpi/mpi-bit.c | |
| parent | a5001a0d9768568de5d613c3b3a5b9c7721299da (diff) | |
ipc,msg: make msgctl_nolock lockless
While the INFO cmd doesn't take the ipc lock, the STAT commands do
acquire it unnecessarily. We can do the permissions and security checks
only holding the rcu lock.
This function now mimics semctl_nolock().
Signed-off-by: Davidlohr Bueso <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-bit.c')
0 files changed, 0 insertions, 0 deletions