always qemu_cpu_kick after unhalting a cpu

This ensures env->halt_cond is broadcast, and the loop in
qemu_tcg_wait_io_event and qemu_kvm_wait_io_event is exited
naturally rather than through a timeout.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/hw/ppc.c b/hw/ppc.c
index 968aec1..de02d33 100644
--- a/hw/ppc.c
+++ b/hw/ppc.c
@@ -208,6 +208,7 @@
             } else {
                 LOG_IRQ("%s: restart the CPU\n", __func__);
                 env->halted = 0;
+                qemu_cpu_kick(env);
             }
             break;
         case PPC970_INPUT_HRESET:
@@ -300,6 +301,7 @@
             } else {
                 LOG_IRQ("%s: restart the CPU\n", __func__);
                 env->halted = 0;
+                qemu_cpu_kick(env);
             }
             break;
         case PPC40x_INPUT_DEBUG:
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 30e8a21..df3aa32 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -253,15 +253,21 @@
     }
 }
 
+static void cpu_kick_irq(CPUState *env)
+{
+    env->halted = 0;
+    cpu_check_irqs(env);
+    qemu_cpu_kick(env);
+}
+
 static void cpu_set_irq(void *opaque, int irq, int level)
 {
     CPUState *env = opaque;
 
     if (level) {
         trace_sun4m_cpu_set_irq_raise(irq);
-        env->halted = 0;
         env->pil_in |= 1 << irq;
-        cpu_check_irqs(env);
+        cpu_kick_irq(env);
     } else {
         trace_sun4m_cpu_set_irq_lower(irq);
         env->pil_in &= ~(1 << irq);
diff --git a/hw/sun4u.c b/hw/sun4u.c
index 90b1ce2..d282324 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -298,6 +298,7 @@
 {
     env->halted = 0;
     cpu_check_irqs(env);
+    qemu_cpu_kick(env);
 }
 
 static void cpu_set_irq(void *opaque, int irq, int level)
@@ -306,9 +307,8 @@
 
     if (level) {
         CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
-        env->halted = 0;
         env->pil_in |= 1 << irq;
-        cpu_check_irqs(env);
+        cpu_kick_irq(env);
     } else {
         CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
         env->pil_in &= ~(1 << irq);