diff options
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 1d6b0a209bc0..5b4440d57f89 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -91,6 +91,11 @@ static struct { #define cpuhp_lock_acquire() lock_map_acquire(&cpu_hotplug.dep_map) #define cpuhp_lock_release() lock_map_release(&cpu_hotplug.dep_map) +void cpu_hotplug_mutex_held(void) +{ + lockdep_assert_held(&cpu_hotplug.lock); +} +EXPORT_SYMBOL(cpu_hotplug_mutex_held); void get_online_cpus(void) { |