Commit 1a6f4d7f authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: Simplify CPU_TASKS_FROZEN cpu notifier handling 



Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 906e608b

drivers/kvm/kvm_main.c

+1 −3
Original line number Diff line number Diff line
@@ -1335,21 +1335,19 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, 
{

	int cpu = (long)v;



	val &= ~CPU_TASKS_FROZEN;

	switch (val) {

	case CPU_DYING:

	case CPU_DYING_FROZEN:

		printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n",

		       cpu);

		hardware_disable(NULL);

		break;

	case CPU_UP_CANCELED:

	case CPU_UP_CANCELED_FROZEN:

		printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n",

		       cpu);

		smp_call_function_single(cpu, hardware_disable, NULL, 0, 1);

		break;

	case CPU_ONLINE:

	case CPU_ONLINE_FROZEN:

		printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n",

		       cpu);

		smp_call_function_single(cpu, hardware_enable, NULL, 0, 1);