--- zzzz-none-000/linux-3.10.107/include/linux/rcutiny.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/rcutiny.h	2021-11-10 11:53:56.000000000 +0000
@@ -91,7 +91,7 @@
 {
 }
 
-static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies)
+static inline int rcu_needs_cpu(int cpu __attribute__((unused)), unsigned long *delta_jiffies)
 {
 	*delta_jiffies = ULONG_MAX;
 	return 0;
@@ -120,7 +120,7 @@
  * Take advantage of the fact that there is only one CPU, which
  * allows us to ignore virtualization-based context switches.
  */
-static inline void rcu_virt_note_context_switch(int cpu)
+static inline void rcu_virt_note_context_switch(int cpu __attribute__((unused)))
 {
 }