qemu-timer: do not refer to runstate_is_running()

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

cpus.c

@@ -1059,6 +1059,7 @@ void pause_all_vcpus(void)
 {
     CPUState *penv = first_cpu;
 
+    qemu_clock_enable(vm_clock, false);
     while (penv) {
         penv->stop = 1;
         qemu_cpu_kick(penv);

qemu-timer.c

@@ -504,10 +504,7 @@ void qemu_run_all_timers(void)
     }
 
     /* vm time timers */
-    if (runstate_is_running()) {
-        qemu_run_timers(vm_clock);
-    }
-
+    qemu_run_timers(vm_clock);
     qemu_run_timers(rt_clock);
     qemu_run_timers(host_clock);
 }