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-rw-r--r--include/linux/cpu.h2
-rw-r--r--include/linux/rcupdate.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 4744ef9..d028721 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_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. */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 7809749..762022f 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -266,6 +266,8 @@ void rcu_idle_enter(void);
void rcu_idle_exit(void);
void rcu_irq_enter(void);
void rcu_irq_exit(void);
+int rcu_cpu_notify(struct notifier_block *self,
+ unsigned long action, void *hcpu);
#ifdef CONFIG_RCU_STALL_COMMON
void rcu_sysrq_start(void);