This is a note to let you know that I've just added the patch titled
smp/hotplug: Move step CPUHP_AP_SMPCFD_DYING to the correct place
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: smp-hotplug-move-step-cpuhp_ap_smpcfd_dying-to-the-correct-place.patch and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 46febd37f9c758b05cd25feae8512f22584742fe Mon Sep 17 00:00:00 2001
From: Lai Jiangshan jiangshanlai@gmail.com Date: Tue, 28 Nov 2017 21:19:53 +0800 Subject: smp/hotplug: Move step CPUHP_AP_SMPCFD_DYING to the correct place
From: Lai Jiangshan jiangshanlai@gmail.com
commit 46febd37f9c758b05cd25feae8512f22584742fe upstream.
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: Boris Ostrovsky boris.ostrovsky@oracle.com Link: https://lkml.kernel.org/r/20171128131954.81229-1-jiangshanlai@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- kernel/cpu.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
--- 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] = {
Patches currently in stable-queue which might be from jiangshanlai@gmail.com are
queue-4.14/smp-hotplug-move-step-cpuhp_ap_smpcfd_dying-to-the-correct-place.patch