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authorLai Jiangshan <jiangshanlai@gmail.com>2017-11-28 21:19:53 +0800
committerThomas Gleixner <tglx@linutronix.de>2017-11-28 14:40:23 +0100
commit46febd37f9c758b05cd25feae8512f22584742fe (patch)
tree547f2ba971c81a7ce8bf1cf76fda4253b2853a57 /kernel
parentb29c6ef7bb1257853c1e31616d84f55e561cf631 (diff)
downloadop-kernel-dev-46febd37f9c758b05cd25feae8512f22584742fe.zip
op-kernel-dev-46febd37f9c758b05cd25feae8512f22584742fe.tar.gz
smp/hotplug: Move step CPUHP_AP_SMPCFD_DYING to the correct place
Commit 31487f8328f2 ("smp/cfd: Convert core to hotplug state machine") accidently put this step on the wrong place. The step should be at the cpuhp_ap_states[] rather than the cpuhp_bp_states[]. grep smpcfd /sys/devices/system/cpu/hotplug/states 40: smpcfd:prepare 129: smpcfd:dying "smpcfd:dying" was missing before. So was the invocation of the function smpcfd_dying_cpu(). Fixes: 31487f8328f2 ("smp/cfd: Convert core to hotplug state machine") Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Richard Weinberger <richard@nod.at> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: stable@vger.kernel.org Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lkml.kernel.org/r/20171128131954.81229-1-jiangshanlai@gmail.com
Diffstat (limited to 'kernel')
-rw-r--r--kernel/cpu.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 04892a8..7891aec 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1289,11 +1289,6 @@ static struct cpuhp_step cpuhp_bp_states[] = {
.teardown.single = NULL,
.cant_stop = true,
},
- [CPUHP_AP_SMPCFD_DYING] = {
- .name = "smpcfd:dying",
- .startup.single = NULL,
- .teardown.single = smpcfd_dying_cpu,
- },
/*
* Handled on controll processor until the plugged processor manages
* this itself.
@@ -1335,6 +1330,11 @@ static struct cpuhp_step cpuhp_ap_states[] = {
.startup.single = NULL,
.teardown.single = rcutree_dying_cpu,
},
+ [CPUHP_AP_SMPCFD_DYING] = {
+ .name = "smpcfd:dying",
+ .startup.single = NULL,
+ .teardown.single = smpcfd_dying_cpu,
+ },
/* Entry state on starting. Interrupts enabled from here on. Transient
* state for synchronsization */
[CPUHP_AP_ONLINE] = {
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