Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

Pull RCU updates from Paul E. McKenney:

  - Miscellaneous fixes. (Paul E. McKenney, Boqun Feng, Oleg Nesterov, Patrick Marlier)

  - Improvements to expedited grace periods. (Paul E. McKenney)

  - Performance improvements to and locktorture tests for percpu-rwsem.
    (Oleg Nesterov, Paul E. McKenney)

  - Torture-test changes. (Paul E. McKenney, Davidlohr Bueso)

  - Documentation updates. (Paul E. McKenney)

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 0 insertions, 13 deletions

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 82cf9dff4295..14a9cdf8abe9 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -102,19 +102,6 @@ void get_online_cpus(void)
 }
 EXPORT_SYMBOL_GPL(get_online_cpus);
 
-bool try_get_online_cpus(void)
-{
-	if (cpu_hotplug.active_writer == current)
-		return true;
-	if (!mutex_trylock(&cpu_hotplug.lock))
-		return false;
-	cpuhp_lock_acquire_tryread();
-	atomic_inc(&cpu_hotplug.refcount);
-	mutex_unlock(&cpu_hotplug.lock);
-	return true;
-}
-EXPORT_SYMBOL_GPL(try_get_online_cpus);
-
 void put_online_cpus(void)
 {
 	int refcount;