Messages in this thread Patch in this message | | | From | Boris Ostrovsky <> | Subject | [PATCH 2/2] xen/x86: Call cpu_startup_entry(CPUHP_AP_ONLINE_IDLE) from xen_play_dead() | Date | Thu, 17 Mar 2016 09:03:25 -0400 |
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This call has always been missing from xen_play dead() but until recently this was rather benign. With new cpu hotplug framework however this call is required, otherwise a hot-plugged CPU will not be properly brough up (by never calling cpuhp_online_idle())
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> --- arch/x86/xen/smp.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 3c6d17f..719cf29 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -545,6 +545,8 @@ static void xen_play_dead(void) /* used only with HOTPLUG_CPU */ * data back is to call: */ tick_nohz_idle_enter(); + + cpu_startup_entry(CPUHP_AP_ONLINE_IDLE); } #else /* !CONFIG_HOTPLUG_CPU */ -- 1.7.1
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