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-rw-r--r--include/linux/nmi.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index b8d868d23e79..80664bbeca43 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -33,10 +33,15 @@ extern int sysctl_hardlockup_all_cpu_backtrace;
#define sysctl_hardlockup_all_cpu_backtrace 0
#endif /* !CONFIG_SMP */
+extern int lockup_detector_online_cpu(unsigned int cpu);
+extern int lockup_detector_offline_cpu(unsigned int cpu);
+
#else /* CONFIG_LOCKUP_DETECTOR */
static inline void lockup_detector_init(void) { }
static inline void lockup_detector_soft_poweroff(void) { }
static inline void lockup_detector_cleanup(void) { }
+#define lockup_detector_online_cpu NULL
+#define lockup_detector_offline_cpu NULL
#endif /* !CONFIG_LOCKUP_DETECTOR */
#ifdef CONFIG_SOFTLOCKUP_DETECTOR