diff options
author | Paul E. McKenney <paulmck@kernel.org> | 2024-10-25 19:56:20 -0700 |
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committer | Uladzislau Rezki (Sony) <urezki@gmail.com> | 2024-12-14 17:10:38 +0100 |
commit | 1bb03ad383a7311f609ecfd13c3aaab248c0627f (patch) | |
tree | 73ecca2e9ad482820a8f360bce17eb7ae4f95fe9 | |
parent | ecc5e6b0d3c982091b82615af21817ddf9cfdd60 (diff) |
rcu: Add lockdep_assert_irqs_disabled() to rcu_exp_need_qs()
Callers to rcu_exp_need_qs() are supposed to disable interrupts, so this
commit enlists lockdep's aid in checking this.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
-rw-r--r-- | kernel/rcu/tree_exp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index ce5b09921d04..77efed89c79e 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -722,6 +722,7 @@ static void rcu_exp_sel_wait_wake(unsigned long s) /* Request an expedited quiescent state. */ static void rcu_exp_need_qs(void) { + lockdep_assert_irqs_disabled(); ASSERT_EXCLUSIVE_WRITER_SCOPED(*this_cpu_ptr(&rcu_data.cpu_no_qs.b.exp)); __this_cpu_write(rcu_data.cpu_no_qs.b.exp, true); /* Store .exp before .rcu_urgent_qs. */ |