Revert "don't call cpu_sychronize_state from reset handlers"

This reverts commit 733318ea.
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/apic.c

@@ -938,6 +938,8 @@ static void apic_reset(void *opaque)
     APICState *s = opaque;
     int bsp;
 
+    cpu_synchronize_state(s->cpu_env);
+
     bsp = cpu_is_bsp(s->cpu_env);
     s->apicbase = 0xfee00000 |
         (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;

vl.c

@@ -3683,12 +3683,10 @@ static void *kvm_cpu_thread_fn(void *arg)
     while (!qemu_system_ready)
         qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
 
-    cpu_synchronize_state(env);
-
     while (1) {
-        qemu_wait_io_event(env);
         if (cpu_can_run(env))
             qemu_cpu_exec(env);
+        qemu_wait_io_event(env);
     }
 
     return NULL;
@@ -3713,9 +3711,6 @@ static void *tcg_cpu_thread_fn(void *arg)
     while (!qemu_system_ready)
         qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        cpu_synchronize_state(env);
-    }
     while (1) {
         tcg_cpu_exec();
         qemu_wait_io_event(cur_cpu);