diff options
| author | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
| commit | 1cb4f624ea38361b6397966470f0a1bed5532483 (patch) | |
| tree | 418b05ddc854b09d64f7d5ee0c78875e42b5f151 /include/linux/rcutree.h | |
| parent | 444c1953d496d272208902ff7010dc70d1f887f0 (diff) | |
| parent | 2c1f1895ef2aa8f0e5497893eff71304aef332e1 (diff) | |
| download | op-kernel-dev-1cb4f624ea38361b6397966470f0a1bed5532483.zip op-kernel-dev-1cb4f624ea38361b6397966470f0a1bed5532483.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into fixes
Diffstat (limited to 'include/linux/rcutree.h')
| -rw-r--r-- | include/linux/rcutree.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index c93eee5..8044b1b 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -45,6 +45,12 @@ extern void __rcu_read_unlock(void); extern void synchronize_rcu(void); extern void exit_rcu(void); +/* + * Defined as macro as it is a very low level header + * included from areas that don't even know about current + */ +#define rcu_preempt_depth() (current->rcu_read_lock_nesting) + #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock(void) @@ -63,6 +69,11 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* #else #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock_bh(void) |
