stop_machine: Remove stop_cpus_lock and lg_double_lock/unlock()

[cascardo/linux.git] / kernel / locking / lglock.c

diff --git a/kernel/locking/lglock.c b/kernel/locking/lglock.c
index 951cfcd..86ae2ae 100644 (file)
--- a/kernel/locking/lglock.c
+++ b/kernel/locking/lglock.c
@@ -60,28 +60,6 @@ void lg_local_unlock_cpu(struct lglock *lg, int cpu)
 }
 EXPORT_SYMBOL(lg_local_unlock_cpu);
 
-void lg_double_lock(struct lglock *lg, int cpu1, int cpu2)
-{
-       BUG_ON(cpu1 == cpu2);
-
-       /* lock in cpu order, just like lg_global_lock */
-       if (cpu2 < cpu1)
-               swap(cpu1, cpu2);
-
-       preempt_disable();
-       lock_acquire_shared(&lg->lock_dep_map, 0, 0, NULL, _RET_IP_);
-       arch_spin_lock(per_cpu_ptr(lg->lock, cpu1));
-       arch_spin_lock(per_cpu_ptr(lg->lock, cpu2));
-}
-
-void lg_double_unlock(struct lglock *lg, int cpu1, int cpu2)
-{
-       lock_release(&lg->lock_dep_map, 1, _RET_IP_);
-       arch_spin_unlock(per_cpu_ptr(lg->lock, cpu1));
-       arch_spin_unlock(per_cpu_ptr(lg->lock, cpu2));
-       preempt_enable();
-}
-
 void lg_global_lock(struct lglock *lg)
 {
        int i;