diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:09 +0000 |
| commit | bb26c5b2b89d932f617fa415a715b2bb259a42bc (patch) | |
| tree | 58c44da24c7a1fb78dda1c0b698510c6f8640981 /kernel/rcu/tree.c | |
| parent | Adding upstream version 6.10.4. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 6.10.6.upstream/6.10.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | kernel/rcu/tree.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 28c7031711..63fb007bee 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -5110,11 +5110,15 @@ void rcutree_migrate_callbacks(int cpu) struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu); bool needwake; - if (rcu_rdp_is_offloaded(rdp) || - rcu_segcblist_empty(&rdp->cblist)) - return; /* No callbacks to migrate. */ + if (rcu_rdp_is_offloaded(rdp)) + return; raw_spin_lock_irqsave(&rcu_state.barrier_lock, flags); + if (rcu_segcblist_empty(&rdp->cblist)) { + raw_spin_unlock_irqrestore(&rcu_state.barrier_lock, flags); + return; /* No callbacks to migrate. */ + } + WARN_ON_ONCE(rcu_rdp_cpu_online(rdp)); rcu_barrier_entrain(rdp); my_rdp = this_cpu_ptr(&rcu_data); |