1 files changed, 11 insertions, 16 deletions

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index d2ca8c38f9c4..f9b1fab4388a 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -16,6 +16,7 @@
 #include <linux/node.h>
 #include <linux/compiler.h>
 #include <linux/cpumask.h>
+#include <linux/cpuhotplug.h>
 
 struct device;
 struct device_node;
@@ -27,6 +28,9 @@ struct cpu {
         struct device dev;
 };
 
+extern void boot_cpu_init(void);
+extern void boot_cpu_state_init(void);
+
 extern int register_cpu(struct cpu *cpu, int num);
 extern struct device *get_cpu_device(unsigned cpu);
 extern bool cpu_is_hotpluggable(unsigned cpu);
@@ -74,7 +78,7 @@ enum {
         /* migration should happen before other stuff but after perf */
         CPU_PRI_PERF            = 20,
         CPU_PRI_MIGRATION       = 10,
-        CPU_PRI_SMPBOOT         = 9,
+
         /* bring up workqueues before normal notifiers and down after */
         CPU_PRI_WORKQUEUE_UP    = 5,
         CPU_PRI_WORKQUEUE_DOWN  = -5,
@@ -97,9 +101,7 @@ enum {
                                         * Called on the new cpu, just before
                                         * enabling interrupts. Must not sleep,
                                         * must not fail */
-#define CPU_DYING_IDLE          0x000B /* CPU (unsigned)v dying, reached
-                                        * idle loop. */
-#define CPU_BROKEN              0x000C /* CPU (unsigned)v did not die properly,
+#define CPU_BROKEN              0x000B /* 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
@@ -118,6 +120,7 @@ enum {
 
 
 #ifdef CONFIG_SMP
+extern bool cpuhp_tasks_frozen;
 /* Need to know about CPUs going up/down? */
 #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE)
 #define cpu_notifier(fn, pri) {                                 \
@@ -167,7 +170,6 @@ static inline void __unregister_cpu_notifier(struct notifier_block *nb)
 }
 #endif
 
-void smpboot_thread_init(void);
 int cpu_up(unsigned int cpu);
 void notify_cpu_starting(unsigned int cpu);
 extern void cpu_maps_update_begin(void);
@@ -177,6 +179,7 @@ extern void cpu_maps_update_done(void);
 #define cpu_notifier_register_done      cpu_maps_update_done
 
 #else   /* CONFIG_SMP */
+#define cpuhp_tasks_frozen      0
 
 #define cpu_notifier(fn, pri)   do { (void)(fn); } while (0)
 #define __cpu_notifier(fn, pri) do { (void)(fn); } while (0)
@@ -215,10 +218,6 @@ static inline void cpu_notifier_register_done(void)
 {
 }
 
-static inline void smpboot_thread_init(void)
-{
-}
-
 #endif /* CONFIG_SMP */
 extern struct bus_type cpu_subsys;
 
@@ -265,11 +264,6 @@ static inline int disable_nonboot_cpus(void) { return 0; }
 static inline void enable_nonboot_cpus(void) {}
 #endif /* !CONFIG_PM_SLEEP_SMP */
 
-enum cpuhp_state {
-        CPUHP_OFFLINE,
-        CPUHP_ONLINE,
-};
-
 void cpu_startup_entry(enum cpuhp_state state);
 
 void cpu_idle_poll_ctrl(bool enable);
@@ -280,14 +274,15 @@ 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);
+void cpuhp_report_idle_dead(void);
+#else
+static inline void cpuhp_report_idle_dead(void) { }
 #endif /* #ifdef CONFIG_HOTPLUG_CPU */
 
 #endif /* _LINUX_CPU_H_ */