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Subject[PATCH 2/13] KVM: Move virtualization deactivation from CPU_DEAD state to CPU_DOWN_PREPARE
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From: Jeremy Katz <katzj@redhat.com>

This gives it more chances of surviving suspend.

Signed-off-by: Jeremy Katz <katzj@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -2080,13 +2080,17 @@ static int kvm_cpu_hotplug(struct notifi
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;
-
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