[PATCH V1] rcu-tasks: Fix build error

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Making show_rcu_tasks_rude_gp_kthread() function as 'inline' to
fix below compilation error.
This is applicable to only 5.10 kernels as code got modified
in latest kernels.

 In file included from kernel/rcu/update.c:579:0:
 kernel/rcu/tasks.h:710:13: error: ‘show_rcu_tasks_rude_gp_kthread’ defined but not used [-Werror=unused-function]
  static void show_rcu_tasks_rude_gp_kthread(void) {}

Signed-off-by: Srinivasarao Pathipati <quic_c_spathi@xxxxxxxxxxx>
---
 kernel/rcu/tasks.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index 8b51e6a..53ddb4e 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -707,7 +707,7 @@ static void show_rcu_tasks_rude_gp_kthread(void)
 #endif /* #ifndef CONFIG_TINY_RCU */
 
 #else /* #ifdef CONFIG_TASKS_RUDE_RCU */
-static void show_rcu_tasks_rude_gp_kthread(void) {}
+static inline void show_rcu_tasks_rude_gp_kthread(void) {}
 #endif /* #else #ifdef CONFIG_TASKS_RUDE_RCU */
 
 ////////////////////////////////////////////////////////////////////////
-- 
2.7.4




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