The rcu_state, rcu_rnp_online_cpus and rcu_dynticks_curr_cpu_in_eqs
do not have declarations in a header. Add these to remove the
following sparse warnings:
kernel/rcu/tree.c:87:18: warning: symbol 'rcu_state' was not declared. Should it be static?
kernel/rcu/tree.c:191:15: warning: symbol 'rcu_rnp_online_cpus' was not declared. Should it be static?
kernel/rcu/tree.c:297:6: warning: symbol 'rcu_dynticks_curr_cpu_in_eqs' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx>
Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>
Cc: rcu@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
kernel/rcu/tree.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index c612f306fe89..1f88351b9014 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -352,6 +352,8 @@ struct rcu_state {
/* GP pre-initialization. */
};
+extern struct rcu_state rcu_state;
+
/* Values for rcu_state structure's gp_flags field. */
#define RCU_GP_FLAG_INIT 0x1 /* Need grace-period initialization. */
#define RCU_GP_FLAG_FQS 0x2 /* Need grace-period quiescent-state forcing. */
@@ -472,3 +474,7 @@ static void rcu_iw_handler(struct irq_work *iwp);
static void check_cpu_stall(struct rcu_data *rdp);
static void rcu_check_gp_start_stall(struct rcu_node *rnp, struct rcu_data *rdp,
const unsigned long gpssdelay);
+
+extern unsigned long rcu_rnp_online_cpus(struct rcu_node *rnp);
+extern bool rcu_dynticks_curr_cpu_in_eqs(void);
+
--
2.23.0
