[PATCH] detect soft lockups

[mirror_ubuntu-bionic-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index dec5827c77422ebbd8e7f0238cdf7f34e08cb906..5fb31bede1036c378e759391573631e06c56e41c 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -176,6 +176,23 @@ extern void trap_init(void);
 extern void update_process_times(int user);
 extern void scheduler_tick(void);
 
+#ifdef CONFIG_DETECT_SOFTLOCKUP
+extern void softlockup_tick(struct pt_regs *regs);
+extern void spawn_softlockup_task(void);
+extern void touch_softlockup_watchdog(void);
+#else
+static inline void softlockup_tick(struct pt_regs *regs)
+{
+}
+static inline void spawn_softlockup_task(void)
+{
+}
+static inline void touch_softlockup_watchdog(void)
+{
+}
+#endif
+
+
 /* Attach to any functions which should be ignored in wchan output. */
 #define __sched                __attribute__((__section__(".sched.text")))
 /* Is this address in the __sched functions? */