Commit cec9ad27 authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: Use CPU_DYING for disabling virtualization 



Only at the CPU_DYING stage can we be sure that no user process will
be scheduled onto the cpu and oops when trying to use virtualization
extensions.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 4267c41a

drivers/kvm/kvm_main.c

+2 −2
Original line number Diff line number Diff line
@@ -3004,8 +3004,8 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, 
	int cpu = (long)v;



	switch (val) {

	case CPU_DOWN_PREPARE:

	case CPU_DOWN_PREPARE_FROZEN:

	case CPU_DYING:

	case CPU_DYING_FROZEN:

	case CPU_UP_CANCELED:

	case CPU_UP_CANCELED_FROZEN:

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