diff options
author | David S. Miller <davem@davemloft.net> | 2010-05-19 02:01:55 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2010-05-19 02:01:55 -0400 |
commit | 2ec8c6bb5d8f3a62a79f463525054bae1e3d4487 (patch) | |
tree | fa7f8400ac685fb52e96f64997c7c682fc2aa021 /kernel/rcutiny_plugin.h | |
parent | 7b39f90fabcf9e2af0cd79d0a60440d821e22b56 (diff) | |
parent | 537b60d17894b7c19a6060feae40299d7109d6e7 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
include/linux/mod_devicetable.h
scripts/mod/file2alias.c
Diffstat (limited to 'kernel/rcutiny_plugin.h')
-rw-r--r-- | kernel/rcutiny_plugin.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h new file mode 100644 index 000000000000..d223a92bc742 --- /dev/null +++ b/kernel/rcutiny_plugin.h | |||
@@ -0,0 +1,39 @@ | |||
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 */ | ||