| commit | 6b5fc3a1331810db407c9e0e673dc1837afdc9d0 | [log] [tgz] |
|---|---|---|
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Fri Apr 28 20:11:09 2017 -0700 |
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Thu Jun 08 18:51:59 2017 -0700 |
| tree | 00ad3040ed3d6ece09a681ea1e531fdc2a5e4bab | |
| parent | 511324e462a12ea8be1a7e5fc63a992134db80d7 [diff] |
rcu: Add memory barriers for NOCB leader wakeup Wait/wakeup operations do not guarantee ordering on their own. Instead, either locking or memory barriers are required. This commit therefore adds memory barriers to wake_nocb_leader() and nocb_leader_wait(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by: Krister Johansen <kjlx@templeofstupid.com> Cc: <stable@vger.kernel.org> # 4.6.x