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bbad9379 PM |
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 | */ | |
33 | void 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 */ |