KVM: Emulate hlt on real mode for Intel
This has two use cases: the bios can't boot from disk, and guest smp
bootstrap.
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 90abd3c..a1f51b9 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -1608,8 +1608,13 @@
if (vcpu->rmode.active &&
handle_rmode_exception(vcpu, intr_info & INTR_INFO_VECTOR_MASK,
- error_code))
+ error_code)) {
+ if (vcpu->halt_request) {
+ vcpu->halt_request = 0;
+ return kvm_emulate_halt(vcpu);
+ }
return 1;
+ }
if ((intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK)) == (INTR_TYPE_EXCEPTION | 1)) {
kvm_run->exit_reason = KVM_EXIT_DEBUG;