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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-09 22:13:30 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-09 22:13:30 +0200 |
| commit | 670aee3fc7ac37ae947f8b582d87b51d5fa36524 (patch) | |
| tree | 9885998483d4506208e5aef9c13c8a86adea20bb /kernel/rcu/tree.c | |
| parent | d61e87ac53292a3138b4354b687558973686b6ca (diff) | |
| parent | 55582bccdc1e89ecc973c260d46e247df675d4df (diff) | |
Merge branches 'pm-devfreq' and 'pm-cpufreq'
* pm-devfreq:
PM / devfreq: fix double kfree
PM / devfreq: Fix governor_store()
* pm-cpufreq:
cpufreq: prevent lockup on reading scaling_available_frequencies
cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus
Diffstat (limited to 'kernel/rcu/tree.c')
| -rw-r--r-- | kernel/rcu/tree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 9f75f25cc5d9..775d36cc0050 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3868,6 +3868,7 @@ static void rcu_init_new_rnp(struct rcu_node *rnp_leaf) static void __init rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp) { + static struct lock_class_key rcu_exp_sched_rdp_class; unsigned long flags; struct rcu_data *rdp = per_cpu_ptr(rsp->rda, cpu); struct rcu_node *rnp = rcu_get_root(rsp); @@ -3883,6 +3884,10 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp) mutex_init(&rdp->exp_funnel_mutex); rcu_boot_init_nocb_percpu_data(rdp); raw_spin_unlock_irqrestore(&rnp->lock, flags); + if (rsp == &rcu_sched_state) + lockdep_set_class_and_name(&rdp->exp_funnel_mutex, + &rcu_exp_sched_rdp_class, + "rcu_data_exp_sched"); } /* |