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KVM: Move virtualization deactivation from CPU_DEAD state to CPU_DOWN_PREPARE 

This gives it more chances of surviving suspend.

Signed-off-by: Jeremy Katz <katzj@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Jeremy Katz 2007-02-19 14:37:46 +02:00 committed by Avi Kivity
parent bf3f8e86c2
commit 43934a38d7
1 changed files with 6 additions and 2 deletions
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8
drivers/kvm/kvm_main.c
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@ -2080,13 +2080,17 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val,
int cpu = (long)v;
switch (val) {
case CPU_DEAD:
case CPU_DOWN_PREPARE:
case CPU_UP_CANCELED:
printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n",
cpu);
decache_vcpus_on_cpu(cpu);
smp_call_function_single(cpu, kvm_arch_ops->hardware_disable,
NULL, 0, 1);
break;
case CPU_UP_PREPARE:
case CPU_ONLINE:
printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n",
cpu);
smp_call_function_single(cpu, kvm_arch_ops->hardware_enable,
NULL, 0, 1);
break;