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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-18 11:17:58 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-18 11:17:58 -0400
commitf262af3d08d3fffc4e11277d3a177b2d67ea2aba (patch)
treecf5e4ac1bc39fe46cfbf4d17a0e9c71ee43b9728 /include/linux/srcu.h
parent1014cfe2fb4cdd663137aafb21448cb613dd6a7d (diff)
parent72d5a9f7a9542f88397558c65bcfc3b115a65e34 (diff)
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (24 commits) rcu: remove all rcu head initializations, except on_stack initializations rcu head introduce rcu head init on stack Debugobjects transition check rcu: fix build bug in RCU_FAST_NO_HZ builds rcu: RCU_FAST_NO_HZ must check RCU dyntick state rcu: make SRCU usable in modules rcu: improve the RCU CPU-stall warning documentation rcu: reduce the number of spurious RCU_SOFTIRQ invocations rcu: permit discontiguous cpu_possible_mask CPU numbering rcu: improve RCU CPU stall-warning messages rcu: print boot-time console messages if RCU configs out of ordinary rcu: disable CPU stall warnings upon panic rcu: enable CPU_STALL_VERBOSE by default rcu: slim down rcutiny by removing rcu_scheduler_active and friends rcu: refactor RCU's context-switch handling rcu: rename rcutiny rcu_ctrlblk to rcu_sched_ctrlblk rcu: shrink rcutiny by making synchronize_rcu_bh() be inline rcu: fix now-bogus rcu_scheduler_active comments. rcu: Fix bogus CONFIG_PROVE_LOCKING in comments to reflect reality. rcu: ignore offline CPUs in last non-dyntick-idle CPU check ...
Diffstat (limited to 'include/linux/srcu.h')
-rw-r--r--include/linux/srcu.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 4d5ecb222af..4d5d2f546db 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -27,6 +27,8 @@
27#ifndef _LINUX_SRCU_H 27#ifndef _LINUX_SRCU_H
28#define _LINUX_SRCU_H 28#define _LINUX_SRCU_H
29 29
30#include <linux/mutex.h>
31
30struct srcu_struct_array { 32struct srcu_struct_array {
31 int c[2]; 33 int c[2];
32}; 34};
@@ -84,8 +86,8 @@ long srcu_batches_completed(struct srcu_struct *sp);
84/** 86/**
85 * srcu_read_lock_held - might we be in SRCU read-side critical section? 87 * srcu_read_lock_held - might we be in SRCU read-side critical section?
86 * 88 *
87 * If CONFIG_PROVE_LOCKING is selected and enabled, returns nonzero iff in 89 * If CONFIG_DEBUG_LOCK_ALLOC is selected, returns nonzero iff in an SRCU
88 * an SRCU read-side critical section. In absence of CONFIG_PROVE_LOCKING, 90 * read-side critical section. In absence of CONFIG_DEBUG_LOCK_ALLOC,
89 * this assumes we are in an SRCU read-side critical section unless it can 91 * this assumes we are in an SRCU read-side critical section unless it can
90 * prove otherwise. 92 * prove otherwise.
91 */ 93 */