linux-kernel - [PATCH V2 03/11] rcu: Reorder tree_exp.h after tree

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Date: Sun,  7 Apr 2024 17:05:50 +0800
From: Lai Jiangshan <jiangshanlai@...il.com>
To: linux-kernel@...r.kernel.org
Cc: rcu@...r.kernel.org,
	x86@...nel.org,
	Lai Jiangshan <jiangshan.ljs@...group.com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Frederic Weisbecker <frederic@...nel.org>,
	Neeraj Upadhyay <quic_neeraju@...cinc.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Josh Triplett <josh@...htriplett.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Zqiang <qiang.zhang1211@...il.com>
Subject: [PATCH V2 03/11] rcu: Reorder tree_exp.h after tree_plugin.h

From: Lai Jiangshan <jiangshan.ljs@...group.com>

Enable tree_exp.h using some rcu preempt macros introduced in
the next patch. The new macros touch core rcu-preempt fields
and are better to be implemented in tree_plugin.h.

Cc: "Paul E. McKenney" <paulmck@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Frederic Weisbecker <frederic@...nel.org>
Signed-off-by: Lai Jiangshan <jiangshan.ljs@...group.com>
---
 kernel/rcu/tree.c        | 2 +-
 kernel/rcu/tree_plugin.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index d9642dd06c25..57d1ae26861f 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -5245,6 +5245,6 @@ void __init rcu_init(void)
 }
 
 #include "tree_stall.h"
-#include "tree_exp.h"
 #include "tree_nocb.h"
 #include "tree_plugin.h"
+#include "tree_exp.h"
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index b1264096d03a..d899b4afc21c 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -103,6 +103,7 @@ static void __init rcu_bootup_announce_oddness(void)
 #ifdef CONFIG_PREEMPT_RCU
 
 static void rcu_report_exp_rnp(struct rcu_node *rnp, bool wake);
+static bool sync_rcu_exp_done(struct rcu_node *rnp);
 static void rcu_read_unlock_special(struct task_struct *t);
 
 /*
-- 
2.19.1.6.gb485710b