[PATCH] fix build with CONFIG_NO_IDLE_HZ=n

arch/i386/kernel/vmi.c: In function 'vmi_safe_halt':
arch/i386/kernel/vmi.c:262: warning: implicit declaration of function 'vmi_stop_hz_timer'
arch/i386/kernel/vmi.c:266: warning: implicit declaration of function 'vmi_account_time_restart_hz_timer'
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Zachary Amsden <zach@vmware.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-i386/vmi_time.h

@@ -61,6 +61,14 @@ extern void apic_vmi_timer_interrupt(void);
 #ifdef CONFIG_NO_IDLE_HZ
 extern int vmi_stop_hz_timer(void);
 extern void vmi_account_time_restart_hz_timer(void);
+#else
+static inline int vmi_stop_hz_timer(void)
+{
+	return 0;
+}
+static inline void vmi_account_time_restart_hz_timer(void)
+{
+}
 #endif
 
 /*