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Diffstat (limited to 'include/linux/cpu.h')
-rw-r--r--include/linux/cpu.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 4260e8594bd7..d028721748d4 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -95,6 +95,10 @@ 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,
+ * perhaps due to preemption. */
/* Used for CPU hotplug events occurring while tasks are frozen due to a suspend
* operation in progress
@@ -271,4 +275,14 @@ 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_ */