2 files changed, 0 insertions, 13 deletions

diff --git a/init/main.c b/init/main.c
index a42fdf4aeba9..9b34c1b8d76c 100644
--- a/init/main.c
+++ b/init/main.c
@@ -444,7 +444,6 @@ static noinline void __init_refok rest_init(void)
         kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);
         rcu_read_unlock();
         complete(&kthreadd_done);
-        unlock_kernel();
 
         /*
          * The boot idle thread must execute schedule()
@@ -565,7 +564,6 @@ asmlinkage void __init start_kernel(void)
  * Interrupts are still disabled. Do necessary setups, then
  * enable them
  */
-        lock_kernel();
         tick_init();
         boot_cpu_init();
         page_address_init();
@@ -829,7 +827,6 @@ static noinline int init_post(void)
         /* need to finish all async __init code before freeing the memory */
         async_synchronize_full();
         free_initmem();
-        unlock_kernel();
         mark_rodata_ro();
         system_state = SYSTEM_RUNNING;
         numa_default_policy();
@@ -869,8 +866,6 @@ static int __init kernel_init(void * unused)
          * Wait until kthreadd is all set-up.
          */
         wait_for_completion(&kthreadd_done);
-        lock_kernel();
-
         /*
          * init can allocate pages on any node
          */
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 086d36316805..8047ca5a8237 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -734,13 +734,6 @@ __acquires(kernel_lock)
                 return -1;
         }
 
-        /*
-         * When this gets called we hold the BKL which means that
-         * preemption is disabled. Various trace selftests however
-         * need to disable and enable preemption for successful tests.
-         * So we drop the BKL here and grab it after the tests again.
-         */
-        unlock_kernel();
         mutex_lock(&trace_types_lock);
 
         tracing_selftest_running = true;
@@ -822,7 +815,6 @@ __acquires(kernel_lock)
 #endif
 
  out_unlock:
-        lock_kernel();
         return ret;
 }