diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-01-04 15:09:10 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-13 09:06:05 +0100 |
| commit | bf66f18e79e34c421bbd8f6511e2c556b779df2f (patch) | |
| tree | 2348e3bc8392addf7959fbe94003f7e0da2a1c8b /include/linux | |
| parent | 46a1e34eda805501a8b32f26394faa435149f6d1 (diff) | |
| download | lwn-bf66f18e79e34c421bbd8f6511e2c556b779df2f.tar.gz lwn-bf66f18e79e34c421bbd8f6511e2c556b779df2f.zip | |
rcu: Add force_quiescent_state() testing to rcutorture
Add force_quiescent_state() testing to rcutorture, with a
separate thread that repeatedly invokes force_quiescent_state()
in bursts. This can greatly increase the probability of
encountering certain types of race conditions.
Suggested-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1262646551116-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rcutiny.h | 12 | ||||
| -rw-r--r-- | include/linux/rcutree.h | 3 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 96cc307ed9f4..2b70d4e37383 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -62,6 +62,18 @@ static inline long rcu_batches_completed_bh(void) extern int rcu_expedited_torture_stats(char *page); +static inline void rcu_force_quiescent_state(void) +{ +} + +static inline void rcu_bh_force_quiescent_state(void) +{ +} + +static inline void rcu_sched_force_quiescent_state(void) +{ +} + #define synchronize_rcu synchronize_sched static inline void synchronize_rcu_expedited(void) diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 8044b1b94333..704a010f686c 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -99,6 +99,9 @@ extern void rcu_check_callbacks(int cpu, int user); extern long rcu_batches_completed(void); extern long rcu_batches_completed_bh(void); extern long rcu_batches_completed_sched(void); +extern void rcu_force_quiescent_state(void); +extern void rcu_bh_force_quiescent_state(void); +extern void rcu_sched_force_quiescent_state(void); #ifdef CONFIG_NO_HZ void rcu_enter_nohz(void); |