perf: Fix compile error when HOTPLUG_CPU is disabled

Add a stub for perf_event_restart_events() when HOTPLUG_CPU is disabled. Signed-off-by: Sultan Alsawaf <[email protected]>
dereference23 · Jun 18, 2023 · ae6ccd8 · ae6ccd8
1 parent c6b0758
commit ae6ccd8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
@@ -1447,8 +1447,12 @@ static struct device_attribute format_attr_##_name = __ATTR_RO(_name)
 #ifdef CONFIG_PERF_EVENTS
 int perf_event_init_cpu(unsigned int cpu);
 int perf_event_exit_cpu(unsigned int cpu);
+#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC_CORE)
 int perf_event_restart_events(unsigned int cpu);
 #else
+static inline int perf_event_restart_events(unsigned int cpu)		{ return 0; }
+#endif
+#else
 #define perf_event_init_cpu	NULL
 #define perf_event_exit_cpu	NULL
 #define perf_event_restart_events NULL