rcu: Use new nesting value for rcu_dyntick trace in rcu_eqs_enter_common

This patch uses the real new value of dynticks_nesting instead of 0 in
rcu_eqs_enter_common().

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index cceda7602dfd850721d2cc1232d8ff1bd7c8721d..d145796bd61f7f2ca246902a92e1d5026ec3ef51 100644 (file)
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -336,7 +336,7 @@ static struct rcu_node *rcu_get_root(struct rcu_state *rsp)
 static void rcu_eqs_enter_common(struct rcu_dynticks *rdtp, long long oldval,
                                bool user)
 {
-       trace_rcu_dyntick("Start", oldval, 0);
+       trace_rcu_dyntick("Start", oldval, rdtp->dynticks_nesting);
        if (!user && !is_idle_task(current)) {
                struct task_struct *idle = idle_task(smp_processor_id());