do { } while (0)
#endif
+/* XXX For some odd reason we sometimes hang inside KVM forever. I'd guess it's
+ * a race condition where we actually have a level triggered interrupt, but
+ * the infrastructure can't expose that yet, so the guest ACKs it, goes to
+ * sleep and never gets notified that there's still an interrupt pending.
+ *
+ * As a quick workaround, let's just wake up every 500 ms. That way we can
+ * assure that we're always reinjecting interrupts in time.
+ */
+static QEMUTimer *idle_timer;
+
+static void do_nothing(void *opaque)
+{
+ qemu_mod_timer(idle_timer, qemu_get_clock(vm_clock) +
+ (get_ticks_per_sec() / 2));
+}
+
int kvm_arch_init(KVMState *s, int smp_cpus)
{
return 0;
int r;
unsigned irq;
+ if (!idle_timer) {
+ idle_timer = qemu_new_timer(vm_clock, do_nothing, NULL);
+ qemu_mod_timer(idle_timer, qemu_get_clock(vm_clock) +
+ (get_ticks_per_sec() / 2));
+ }
+
/* PowerPC Qemu tracks the various core input pins (interrupt, critical
* interrupt, reset, etc) in PPC-specific env->irq_input_state. */
if (run->ready_for_interrupt_injection &&