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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
	akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
	josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de,
	peterz@infradead.org, rostedt@goodmis.org,
	Valdis.Kletnieks@vt.edu, dhowells@redhat.com,
	edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com,
	sbw@mit.edu, Li Zhong <zhong@linux.vnet.ibm.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 03/10] rcu: Use new nesting value for rcu_dyntick trace in rcu_eqs_enter_common
Date: Sat, 26 Jan 2013 16:15:05 -0800	[thread overview]
Message-ID: <1359245712-3843-3-git-send-email-paulmck@linux.vnet.ibm.com> (raw)
In-Reply-To: <1359245712-3843-1-git-send-email-paulmck@linux.vnet.ibm.com>

From: Li Zhong <zhong@linux.vnet.ibm.com>

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>
---
 kernel/rcutree.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index cceda76..d145796 100644
--- 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());
 
-- 
1.7.8


  parent reply	other threads:[~2013-01-27  0:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-27  0:14 [PATCH tip/core/rcu 0/10] v2 RCU fixes for 3.9 Paul E. McKenney
2013-01-27  0:15 ` [PATCH tip/core/rcu 01/10] rcu: Fix blimit type for trace_rcu_batch_start() Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 02/10] rcu: Make rcu_is_cpu_rrupt_from_idle helper functions static Paul E. McKenney
2013-01-27  0:15   ` Paul E. McKenney [this message]
2013-01-27  0:15   ` [PATCH tip/core/rcu 04/10] rcu: Silence compiler array out-of-bounds false positive Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 05/10] rcutorture: Don't compare ptr with 0 Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 06/10] rcu: Correct 'optimized' to 'optimize' in header comment Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 07/10] rcu: Consolidate debugging Kconfig options Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 08/10] rcu: Remove unused code originally used for context tracking Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 09/10] rcu: Remove obsolete Kconfig option from comment Paul E. McKenney
2013-01-27  0:15   ` [PATCH tip/core/rcu 10/10] context_tracking: Add comments on interface and internals Paul E. McKenney

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