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-rw-r--r--include/linux/cpuhotplug.h2
-rw-r--r--kernel/cpu.c15
2 files changed, 10 insertions, 7 deletions
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 9e07468..386374d 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -13,11 +13,11 @@ enum cpuhp_state {
CPUHP_AP_ONLINE,
CPUHP_TEARDOWN_CPU,
CPUHP_AP_ONLINE_IDLE,
- CPUHP_AP_ACTIVE,
CPUHP_AP_SMPBOOT_THREADS,
CPUHP_AP_NOTIFY_ONLINE,
CPUHP_AP_ONLINE_DYN,
CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
+ CPUHP_AP_ACTIVE,
CPUHP_ONLINE,
};
diff --git a/kernel/cpu.c b/kernel/cpu.c
index d6eeb8c..d948e44 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1242,12 +1242,6 @@ static struct cpuhp_step cpuhp_ap_states[] = {
[CPUHP_AP_ONLINE] = {
.name = "ap:online",
},
- /* First state is scheduler control. Interrupts are enabled */
- [CPUHP_AP_ACTIVE] = {
- .name = "sched:active",
- .startup = sched_cpu_activate,
- .teardown = sched_cpu_deactivate,
- },
/* Handle smpboot threads park/unpark */
[CPUHP_AP_SMPBOOT_THREADS] = {
.name = "smpboot:threads",
@@ -1269,6 +1263,15 @@ static struct cpuhp_step cpuhp_ap_states[] = {
* The dynamically registered state space is here
*/
+#ifdef CONFIG_SMP
+ /* Last state is scheduler control setting the cpu active */
+ [CPUHP_AP_ACTIVE] = {
+ .name = "sched:active",
+ .startup = sched_cpu_activate,
+ .teardown = sched_cpu_deactivate,
+ },
+#endif
+
/* CPU is fully up and running. */
[CPUHP_ONLINE] = {
.name = "online",
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