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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-01-04 15:09:10 -0800
committerIngo Molnar <mingo@elte.hu>2010-01-13 09:06:05 +0100
commitbf66f18e79e34c421bbd8f6511e2c556b779df2f (patch)
tree2348e3bc8392addf7959fbe94003f7e0da2a1c8b /include/linux/rcutree.h
parent46a1e34eda805501a8b32f26394faa435149f6d1 (diff)
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/rcutree.h')
-rw-r--r--include/linux/rcutree.h3
1 files changed, 3 insertions, 0 deletions
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);