1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 4260e8594bd7..4744ef915acd 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -95,6 +95,8 @@ enum {
                                         * Called on the new cpu, just before
                                         * enabling interrupts. Must not sleep,
                                         * must not fail */
+#define CPU_BROKEN              0x000C /* CPU (unsigned)v did not die properly,
+                                        * perhaps due to preemption. */
 
 /* Used for CPU hotplug events occurring while tasks are frozen due to a suspend
  * operation in progress
@@ -271,4 +273,14 @@ void arch_cpu_idle_enter(void);
 void arch_cpu_idle_exit(void);
 void arch_cpu_idle_dead(void);
 
+DECLARE_PER_CPU(bool, cpu_dead_idle);
+
+int cpu_report_state(int cpu);
+int cpu_check_up_prepare(int cpu);
+void cpu_set_state_online(int cpu);
+#ifdef CONFIG_HOTPLUG_CPU
+bool cpu_wait_death(unsigned int cpu, int seconds);
+bool cpu_report_death(void);
+#endif /* #ifdef CONFIG_HOTPLUG_CPU */
+
 #endif /* _LINUX_CPU_H_ */