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