提交 cec9ad27 编写于 作者: A Avi Kivity

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: NAvi Kivity <avi@qumranet.com>
上级 4267c41a
......@@ -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",
......
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