4 files changed, 14 insertions, 14 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index 89b0efb50948..35084f280087 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -147,5 +147,9 @@ config HAVE_USER_RETURN_NOTIFIER
 
 config HAVE_PERF_EVENTS_NMI
         bool
+        help
+          System hardware can generate an NMI using the perf event
+          subsystem.  Also has support for calculating CPU cycle events
+          to determine how many clock cycles in a given period.
 
 source "kernel/gcov/Kconfig"
diff --git a/init/Kconfig b/init/Kconfig
index ab733c32292c..eb77e8ccde1c 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -942,13 +942,6 @@ config PERF_USE_VMALLOC
         help
           See tools/perf/design.txt for details
 
-config PERF_EVENTS_NMI
-        def_bool PERF_EVENTS && HAVE_PERF_EVENTS_NMI
-        help
-          System hardware can generate an NMI using the perf event
-          subsystem.  Also has support for calculating CPU cycle events
-          to determine how many clock cycles in a given period.
-
 menu "Kernel Performance Events And Counters"
 
 config PERF_EVENTS
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index be5e74e62be6..83fb63155cbc 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -37,7 +37,7 @@ static DEFINE_PER_CPU(struct hrtimer, watchdog_hrtimer);
 static DEFINE_PER_CPU(bool, softlockup_touch_sync);
 static DEFINE_PER_CPU(bool, hard_watchdog_warn);
 static DEFINE_PER_CPU(bool, soft_watchdog_warn);
-#ifdef CONFIG_PERF_EVENTS_NMI
+#ifdef CONFIG_HARDLOCKUP_DETECTOR
 static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts);
 static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts_saved);
 static DEFINE_PER_CPU(struct perf_event *, watchdog_ev);
@@ -51,7 +51,7 @@ static int __initdata no_watchdog;
 /*
  * Should we panic when a soft-lockup or hard-lockup occurs:
  */
-#ifdef CONFIG_PERF_EVENTS_NMI
+#ifdef CONFIG_HARDLOCKUP_DETECTOR
 static int hardlockup_panic;
 
 static int __init hardlockup_panic_setup(char *str)
@@ -152,7 +152,7 @@ void touch_softlockup_watchdog_sync(void)
         __raw_get_cpu_var(watchdog_touch_ts) = 0;
 }
 
-#ifdef CONFIG_PERF_EVENTS_NMI
+#ifdef CONFIG_HARDLOCKUP_DETECTOR
 /* watchdog detector functions */
 static int is_hardlockup(int cpu)
 {
@@ -189,7 +189,7 @@ static struct notifier_block panic_block = {
         .notifier_call = watchdog_panic,
 };
 
-#ifdef CONFIG_PERF_EVENTS_NMI
+#ifdef CONFIG_HARDLOCKUP_DETECTOR
 static struct perf_event_attr wd_hw_attr = {
         .type           = PERF_TYPE_HARDWARE,
         .config         = PERF_COUNT_HW_CPU_CYCLES,
@@ -239,7 +239,7 @@ static void watchdog_interrupt_count(void)
 }
 #else
 static inline void watchdog_interrupt_count(void) { return; }
-#endif /* CONFIG_PERF_EVENTS_NMI */
+#endif /* CONFIG_HARDLOCKUP_DETECTOR */
 
 /* watchdog kicker functions */
 static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
@@ -342,7 +342,7 @@ static int watchdog(void *__bind_cpu)
 }
 
 
-#ifdef CONFIG_PERF_EVENTS_NMI
+#ifdef CONFIG_HARDLOCKUP_DETECTOR
 static int watchdog_nmi_enable(int cpu)
 {
         struct perf_event_attr *wd_attr;
@@ -393,7 +393,7 @@ static void watchdog_nmi_disable(int cpu)
 #else
 static int watchdog_nmi_enable(int cpu) { return 0; }
 static void watchdog_nmi_disable(int cpu) { return; }
-#endif /* CONFIG_PERF_EVENTS_NMI */
+#endif /* CONFIG_HARDLOCKUP_DETECTOR */
 
 /* prepare/enable/disable routines */
 static int watchdog_prepare_cpu(int cpu)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 3a18b0b856ce..e65e47d5c5e6 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -174,6 +174,9 @@ config LOCKUP_DETECTOR
           generate interrupts and kick the watchdog task every 10-12 seconds.
           An NMI is generated every 60 seconds or so to check for hardlockups.
 
+config HARDLOCKUP_DETECTOR
+        def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI
+
 config BOOTPARAM_SOFTLOCKUP_PANIC
         bool "Panic (Reboot) On Soft Lockups"
         depends on LOCKUP_DETECTOR