1/* 2 * Read-Copy Update mechanism for mutual exclusion (tree-based version) 3 * Internal non-public definitions that provide either classic 4 * or preemptable semantics. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 * 20 * Copyright IBM Corporation, 2009 21 * 22 * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> 23 */ 24 25#ifdef CONFIG_DEBUG_LOCK_ALLOC 26 27#include <linux/kernel_stat.h> 28 29/* 30 * During boot, we forgive RCU lockdep issues. After this function is 31 * invoked, we start taking RCU lockdep issues seriously. 32 */ 33void rcu_scheduler_starting(void) 34{ 35 WARN_ON(nr_context_switches() > 0); 36 rcu_scheduler_active = 1; 37} 38 39#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ 40