diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2024-10-28 08:39:53 -0700 |
|---|---|---|
| committer | Boqun Feng <boqun.feng@gmail.com> | 2025-02-04 21:52:38 -0800 |
| commit | a3e8162105e8266b94bb25d3d7e48645da4b0c26 (patch) | |
| tree | 6af336d5b0352310160177fe870a9acf435663f1 /kernel | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
rcu: Split rcu_report_exp_cpu_mult() mask parameter and use for tracing
This commit renames the rcu_report_exp_cpu_mult() function from "mask"
to "mask_in" and introduced a "mask" local variable to better support
upcoming event-tracing additions.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/tree_exp.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 77efed89c79e..8d4895c854c5 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -230,17 +230,19 @@ static void __maybe_unused rcu_report_exp_rnp(struct rcu_node *rnp, bool wake) * specified leaf rcu_node structure, which is acquired by the caller. */ static void rcu_report_exp_cpu_mult(struct rcu_node *rnp, unsigned long flags, - unsigned long mask, bool wake) + unsigned long mask_in, bool wake) __releases(rnp->lock) { int cpu; + unsigned long mask; struct rcu_data *rdp; raw_lockdep_assert_held_rcu_node(rnp); - if (!(rnp->expmask & mask)) { + if (!(rnp->expmask & mask_in)) { raw_spin_unlock_irqrestore_rcu_node(rnp, flags); return; } + mask = mask_in & rnp->expmask; WRITE_ONCE(rnp->expmask, rnp->expmask & ~mask); for_each_leaf_node_cpu_mask(rnp, cpu, mask) { rdp = per_cpu_ptr(&rcu_data, cpu); |