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;
#endif
out_unlock:
- lock_kernel();
return ret;
}