Only tree_stall.h needs to get name from GP state.
Signed-off-by: Lai Jiangshan <jiangshan...@gmail.com>
Signed-off-by: Lai Jiangshan <la...@linux.alibaba.com>
---
kernel/rcu/tree.c | 10 ----------
kernel/rcu/tree.h | 12 ------------
kernel/rcu/tree_stall.h | 22 ++++++++++++++++++++++
3 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 7830d5a06e69..7db5ea06a9ed 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -529,16 +529,6 @@ static struct rcu_node *rcu_get_root(void)
return &rcu_state.node[0];
}
-/*
- * Convert a ->gp_state value to a character string.
- */
-static const char *gp_state_getname(short gs)
-{
- if (gs < 0 || gs >= ARRAY_SIZE(gp_state_names))
- return "???";
- return gp_state_names[gs];
-}
-
/*
* Send along grace-period-related data for rcutorture diagnostics.
*/
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 823f475c5e35..75ae55b6270a 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -367,18 +367,6 @@ struct rcu_state {
#define RCU_GP_CLEANUP 7 /* Grace-period cleanup started. */
#define RCU_GP_CLEANED 8 /* Grace-period cleanup complete. */
-static const char * const gp_state_names[] = {
- "RCU_GP_IDLE",
- "RCU_GP_WAIT_GPS",
- "RCU_GP_DONE_GPS",
- "RCU_GP_ONOFF",
- "RCU_GP_INIT",
- "RCU_GP_WAIT_FQS",
- "RCU_GP_DOING_FQS",
- "RCU_GP_CLEANUP",
- "RCU_GP_CLEANED",
-};
-
/*
* In order to export the rcu_state name to the tracing tools, it
* needs to be added in the __tracepoint_string section.
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 806f2ddc8f74..0b75426ebb3e 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -277,6 +277,28 @@ static void print_cpu_stall_fast_no_hz(char *cp, int cpu)
#endif /* #else #ifdef CONFIG_RCU_FAST_NO_HZ */
+static const char * const gp_state_names[] = {
+ [RCU_GP_IDLE] = "RCU_GP_IDLE",
+ [RCU_GP_WAIT_GPS] = "RCU_GP_WAIT_GPS",
+ [RCU_GP_DONE_GPS] = "RCU_GP_DONE_GPS",
+ [RCU_GP_ONOFF] = "RCU_GP_ONOFF",
+ [RCU_GP_INIT] = "RCU_GP_INIT",
+ [RCU_GP_WAIT_FQS] = "RCU_GP_WAIT_FQS",
+ [RCU_GP_DOING_FQS] = "RCU_GP_DOING_FQS",
+ [RCU_GP_CLEANUP] = "RCU_GP_CLEANUP",
+ [RCU_GP_CLEANED] = "RCU_GP_CLEANED",
+};
+
+/*
+ * Convert a ->gp_state value to a character string.
+ */
+static const char *gp_state_getname(short gs)
+{
+ if (gs < 0 || gs >= ARRAY_SIZE(gp_state_names))
+ return "???";
+ return gp_state_names[gs];
+}
+
/*
* Print out diagnostic information for the specified stalled CPU.
*
--
2.20.1
