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| author |   Frederic Weisbecker <frederic@kernel.org> | 2024-05-30 15:45:47 +0200 |
|---|---|---|
| committer |   Neeraj Upadhyay <neeraj.upadhyay@kernel.org> | 2024-07-29 07:34:31 +0530 |
| commit | d2e7f55ff2e3d878a63149c90b360cbec101a83e (patch) | |
| tree | 9e145e48d8729edd09c9757900c35fb01febfda0 | |
| parent | rcu/nocb: (De-)offload callbacks on offline CPUs only (diff) | |
| download | wireguard-linux-d2e7f55ff2e3d878a63149c90b360cbec101a83e.tar.xz wireguard-linux-d2e7f55ff2e3d878a63149c90b360cbec101a83e.zip | |
rcu/nocb: Remove halfway (de-)offloading handling from bypass
Bypass enqueue can't happen anymore in the middle of (de-)offloading
since this sort of transition now only applies to offline CPUs.
The related safety check can therefore be removed.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | kernel/rcu/tree_nocb.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h index 8e766396df3a..af44e75eb0cd 100644 --- a/kernel/rcu/tree_nocb.h +++ b/kernel/rcu/tree_nocb.h @@ -409,14 +409,6 @@ static bool rcu_nocb_try_bypass(struct rcu_data *rdp, struct rcu_head *rhp, return false; } - // In the process of (de-)offloading: no bypassing, but - // locking. - if (!rcu_segcblist_completely_offloaded(&rdp->cblist)) { - rcu_nocb_lock(rdp); - *was_alldone = !rcu_segcblist_pend_cbs(&rdp->cblist); - return false; /* Not offloaded, no bypassing. */ - } - // Don't use ->nocb_bypass during early boot. if (rcu_scheduler_active != RCU_SCHEDULER_RUNNING) { rcu_nocb_lock(rdp); |