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| author | Ingo Molnar <mingo@elte.hu> | 2010-08-23 11:32:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-08-23 11:32:34 +0200 |
| commit | a6b9b4d50f492630443b38404d1f436b3b748c14 (patch) | |
| tree | f3512389c42cecfae50b6a315ec6ab1fa470e30d /kernel/rcupdate.c | |
| parent | e36c886a0f9d624377977fa6cae309cfd7f362fa (diff) | |
| parent | 28457ee69c473a903e51e26c7bcd6f1e9eceb93e (diff) | |
| download | op-kernel-dev-a6b9b4d50f492630443b38404d1f436b3b748c14.zip op-kernel-dev-a6b9b4d50f492630443b38404d1f436b3b748c14.tar.gz | |
Merge branch 'rcu/next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu into core/rcu
Diffstat (limited to 'kernel/rcupdate.c')
| -rw-r--r-- | kernel/rcupdate.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 4d16983..6c79e85 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -73,12 +73,14 @@ int debug_lockdep_rcu_enabled(void) EXPORT_SYMBOL_GPL(debug_lockdep_rcu_enabled); /** - * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section? + * rcu_read_lock_bh_held() - might we be in RCU-bh read-side critical section? * * Check for bottom half being disabled, which covers both the * CONFIG_PROVE_RCU and not cases. Note that if someone uses * rcu_read_lock_bh(), but then later enables BH, lockdep (if enabled) - * will show the situation. + * will show the situation. This is useful for debug checks in functions + * that require that they be called within an RCU read-side critical + * section. * * Check debug_lockdep_rcu_enabled() to prevent false positives during boot. */ |
