x86: kill #ifdef for exit_idle()
Impact: cleanup
Introduce helper inline function in arch/x86/include/asm/idle.h
to remove #ifdefs around exit_idle().
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/include/asm/idle.h b/arch/x86/include/asm/idle.h
index 44c89c3..38d8737 100644
--- a/arch/x86/include/asm/idle.h
+++ b/arch/x86/include/asm/idle.h
@@ -8,8 +8,13 @@
void idle_notifier_register(struct notifier_block *n);
void idle_notifier_unregister(struct notifier_block *n);
+#ifdef CONFIG_X86_64
void enter_idle(void);
void exit_idle(void);
+#else /* !CONFIG_X86_64 */
+static inline void enter_idle(void) { }
+static inline void exit_idle(void) { }
+#endif /* CONFIG_X86_64 */
void c1e_remove_cpu(int cpu);