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-rw-r--r--virt/kvm/kvm_main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4023264..f69fca7 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2140,7 +2140,9 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val,
case CPU_DYING:
printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n",
cpu);
+ spin_lock(&kvm_lock);
hardware_disable(NULL);
+ spin_unlock(&kvm_lock);
break;
case CPU_STARTING:
printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n",