KVM: Portability: Move x86 specific code from kvm_init() to kvm_arch()
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 4902b35..bbfa810 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -1645,11 +1645,36 @@
}
EXPORT_SYMBOL_GPL(kvm_emulate_pio_string);
-__init void kvm_arch_init(void)
+int kvm_arch_init(void *opaque)
{
+ struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
+
kvm_init_msr_list();
+
+ if (kvm_x86_ops) {
+ printk(KERN_ERR "kvm: already loaded the other module\n");
+ return -EEXIST;
+ }
+
+ if (!ops->cpu_has_kvm_support()) {
+ printk(KERN_ERR "kvm: no hardware support\n");
+ return -EOPNOTSUPP;
+ }
+ if (ops->disabled_by_bios()) {
+ printk(KERN_ERR "kvm: disabled by bios\n");
+ return -EOPNOTSUPP;
+ }
+
+ kvm_x86_ops = ops;
+
+ return 0;
}
+void kvm_arch_exit(void)
+{
+ kvm_x86_ops = NULL;
+ }
+
int kvm_emulate_halt(struct kvm_vcpu *vcpu)
{
++vcpu->stat.halt_exits;