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KVM: Simplify CPU_TASKS_FROZEN cpu notifier handling 

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-11-11 18:37:32 +02:00
parent 906e608b05
commit 1a6f4d7fbd
1 changed files with 1 additions and 3 deletions
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4
drivers/kvm/kvm_main.c
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@ -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);