diff options
| author | Frederic Weisbecker <[email protected]> | 2024-04-25 16:18:32 +0200 |
|---|---|---|
| committer | Paul E. McKenney <[email protected]> | 2024-06-03 17:26:25 -0700 |
| commit | ce418966a83320837f59f04a646fa4716e132dc8 (patch) | |
| tree | 35b9bd3b1eb2d52e9e9db79da5b8fbdc5a0c8223 | |
| parent | 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0 (diff) | |
rcu/nocb: Fix segcblist state machine comments about bypass
The parts explaining the bypass lifecycle in (de-)offloading are out
of date and/or wrong. Bypass is simply enabled whenever SEGCBLIST_RCU_CORE
flag is off.
Fix the comments accordingly.
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
| -rw-r--r-- | include/linux/rcu_segcblist.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/rcu_segcblist.h b/include/linux/rcu_segcblist.h index 659d13a7ddaa..1e5b4ef167ca 100644 --- a/include/linux/rcu_segcblist.h +++ b/include/linux/rcu_segcblist.h @@ -141,7 +141,7 @@ struct rcu_cblist { * | SEGCBLIST_KTHREAD_GP | * | | * | CB/GP kthreads handle callbacks holding nocb_lock, local rcu_core() | - * | handles callbacks concurrently. Bypass enqueue is enabled. | + * | handles callbacks concurrently. Bypass enqueue is disabled. | * | Invoke RCU core so we make sure not to preempt it in the middle with | * | leaving some urgent work unattended within a jiffy. | * ---------------------------------------------------------------------------- @@ -154,8 +154,7 @@ struct rcu_cblist { * | SEGCBLIST_KTHREAD_GP | * | | * | CB/GP kthreads and local rcu_core() handle callbacks concurrently | - * | holding nocb_lock. Wake up CB and GP kthreads if necessary. Disable | - * | bypass enqueue. | + * | holding nocb_lock. Wake up CB and GP kthreads if necessary. | * ---------------------------------------------------------------------------- * | * v @@ -185,7 +184,7 @@ struct rcu_cblist { * | | * | Callbacks processed by rcu_core() from softirqs or local | * | rcuc kthread, while holding nocb_lock. Forbid nocb_timer to be armed. | - * | Flush pending nocb_timer. Flush nocb bypass callbacks. | + * | Flush pending nocb_timer. | * ---------------------------------------------------------------------------- * | * v |