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-rw-r--r--kernel/smpboot.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index ed7507b69b48..5043e7433f4b 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -351,7 +351,7 @@ void smpboot_update_cpumask_percpu_thread(struct smp_hotplug_thread *plug_thread
static struct cpumask tmp;
unsigned int cpu;
- get_online_cpus();
+ lockdep_assert_cpus_held();
mutex_lock(&smpboot_threads_lock);
/* Park threads that were exclusively enabled on the old mask. */
@@ -367,7 +367,6 @@ void smpboot_update_cpumask_percpu_thread(struct smp_hotplug_thread *plug_thread
cpumask_copy(old, new);
mutex_unlock(&smpboot_threads_lock);
- put_online_cpus();
}
static DEFINE_PER_CPU(atomic_t, cpu_hotplug_state) = ATOMIC_INIT(CPU_POST_DEAD);