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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:10 +0000 |
| commit | 2e7b21ebb8f845570641035f8a7832d33d8e5135 (patch) | |
| tree | 3db92cd227f359a58c62582e954a78616c9a3426 /kernel/rcu/tree.c | |
| parent | Adding debian version 6.10.4-1. (diff) | |
| download | linux-2e7b21ebb8f845570641035f8a7832d33d8e5135.tar.xz linux-2e7b21ebb8f845570641035f8a7832d33d8e5135.zip | |
Merging upstream version 6.10.6.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/rcu/tree.c')
| -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); |