HOTPLUG: Adapt cpuset hotplug callback to CPU_DYING



CPU_DYING is called in atomic context, so don't try to take any locks.

Signed-off-by: Avi Kivity <avi@qumranet.com>

parent db912f96

kernel/cpuset.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2138,6 +2138,9 @@ static void common_cpu_mem_hotplug_unplug(void)
		static int cpuset_handle_cpuhp(struct notifier_block *nb,
		unsigned long phase, void *cpu)
		{
		if (phase == CPU_DYING \|\| phase == CPU_DYING_FROZEN)
		return NOTIFY_DONE;

		common_cpu_mem_hotplug_unplug();
		return 0;
		}