kvm_make_request() provides smp_wmb() so pending_events changes are
guaranteed to be visible.
Signed-off-by: NMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: NVitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: NSean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>