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authorPaul E. McKenney <paulmck@us.ibm.com>2006-06-27 02:54:04 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 17:32:40 -0700
commitc32e066057fe0914da262c94e52cefb142f965b4 (patch)
treec429649e39af7925a443c72f180349a451c7acbe /kernel/rcupdate.c
parent72e9bb549280b354311af30640c9433474f3a32c (diff)
[PATCH] rcutorture: add call_rcu_bh() operations
Add operations for the call_rcu_bh() variant of RCU. Also add an rcu_batches_completed_bh() function, which is needed by rcutorture. Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/rcupdate.c')
-rw-r--r--kernel/rcupdate.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 20e9710fc21c..c0e1cb95dd4f 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -182,6 +182,15 @@ long rcu_batches_completed(void)
return rcu_ctrlblk.completed;
}
+/*
+ * Return the number of RCU batches processed thus far. Useful
+ * for debug and statistics.
+ */
+long rcu_batches_completed_bh(void)
+{
+ return rcu_bh_ctrlblk.completed;
+}
+
static void rcu_barrier_callback(struct rcu_head *notused)
{
if (atomic_dec_and_test(&rcu_barrier_cpu_count))
@@ -619,6 +628,7 @@ module_param(qlowmark, int, 0);
module_param(rsinterval, int, 0);
#endif
EXPORT_SYMBOL_GPL(rcu_batches_completed);
+EXPORT_SYMBOL_GPL(rcu_batches_completed_bh);
EXPORT_SYMBOL_GPL(call_rcu);
EXPORT_SYMBOL_GPL(call_rcu_bh);
EXPORT_SYMBOL_GPL(synchronize_rcu);

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