kvm: Synchronize cpu state in kvm_arch_stop_on_emulation_error()

Call to kvm_cpu_synchronize_state() is missing.
kvm_arch_stop_on_emulation_error may look at outdated registers here.
Signed-off-by: NGleb Natapov <gleb@redhat.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>
Reviewed-by: NJan Kiszka <jan.kiszka@siemens.com>

target-i386/kvm.c

@@ -1987,6 +1987,7 @@ int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run)
 
 bool kvm_arch_stop_on_emulation_error(CPUState *env)
 {
+    kvm_cpu_synchronize_state(env);
     return !(env->cr[0] & CR0_PE_MASK) ||
            ((env->segs[R_CS].selector  & 3) != 3);
 }