diff options
| author | Frederic Weisbecker <[email protected]> | 2021-02-23 01:10:08 +0100 |
|---|---|---|
| committer | Paul E. McKenney <[email protected]> | 2021-05-12 12:10:23 -0700 |
| commit | 3b2348e2fdf403b25a317b394db605257f321966 (patch) | |
| tree | 8058bc90bca85c10637d441d05f3d63e4d3b062b | |
| parent | b6e2c4ed35c33d7e55197aa26d99645a690ca467 (diff) | |
rcu/nocb: Delete bypass_timer upon nocb_gp wakeup
A NOCB-gp wake p can safely delete the ->nocb_bypass_timer because
nocb_gp_wait() will recheck again the bypass state and rearm the bypass
timer if necessary. This commit therefore deletes this timer.
Reviewed-by: Boqun Feng <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Josh Triplett <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Joel Fernandes <[email protected]>
Cc: Neeraj Upadhyay <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index a667551a5501..4253a0ecc14f 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1701,6 +1701,8 @@ static bool __wake_nocb_gp(struct rcu_data *rdp_gp, del_timer(&rdp_gp->nocb_timer); } + del_timer(&rdp_gp->nocb_bypass_timer); + if (force || READ_ONCE(rdp_gp->nocb_gp_sleep)) { WRITE_ONCE(rdp_gp->nocb_gp_sleep, false); needwake = true; |