diff options
Diffstat (limited to 'kernel/rcu/tiny_plugin.h')
-rw-r--r-- | kernel/rcu/tiny_plugin.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/kernel/rcu/tiny_plugin.h b/kernel/rcu/tiny_plugin.h deleted file mode 100644 index f0a01b2a3062..000000000000 --- a/kernel/rcu/tiny_plugin.h +++ /dev/null | |||
@@ -1,47 +0,0 @@ | |||
1 | /* | ||
2 | * Read-Copy Update mechanism for mutual exclusion, the Bloatwatch edition | ||
3 | * Internal non-public definitions that provide either classic | ||
4 | * or preemptible 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, you can access it online at | ||
18 | * http://www.gnu.org/licenses/gpl-2.0.html. | ||
19 | * | ||
20 | * Copyright (c) 2010 Linaro | ||
21 | * | ||
22 | * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | ||
23 | */ | ||
24 | |||
25 | #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) | ||
26 | #include <linux/kernel_stat.h> | ||
27 | |||
28 | int rcu_scheduler_active __read_mostly; | ||
29 | EXPORT_SYMBOL_GPL(rcu_scheduler_active); | ||
30 | |||
31 | /* | ||
32 | * During boot, we forgive RCU lockdep issues. After this function is | ||
33 | * invoked, we start taking RCU lockdep issues seriously. Note that unlike | ||
34 | * Tree RCU, Tiny RCU transitions directly from RCU_SCHEDULER_INACTIVE | ||
35 | * to RCU_SCHEDULER_RUNNING, skipping the RCU_SCHEDULER_INIT stage. | ||
36 | * The reason for this is that Tiny RCU does not need kthreads, so does | ||
37 | * not have to care about the fact that the scheduler is half-initialized | ||
38 | * at a certain phase of the boot process. Unless SRCU is in the mix. | ||
39 | */ | ||
40 | void __init rcu_scheduler_starting(void) | ||
41 | { | ||
42 | WARN_ON(nr_context_switches() > 0); | ||
43 | rcu_scheduler_active = IS_ENABLED(CONFIG_SRCU) | ||
44 | ? RCU_SCHEDULER_INIT : RCU_SCHEDULER_RUNNING; | ||
45 | } | ||
46 | |||
47 | #endif /* #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */ | ||