[PATCH 14/15] start a new cpu thread

[Glauber Costa <gcosta@redhat.com>]

spin up a new cpu thread if not yet running.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
 qemu/hw/acpi.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/qemu/hw/acpi.c b/qemu/hw/acpi.c
index 038e993..93cbc68 100644
--- a/qemu/hw/acpi.c
+++ b/qemu/hw/acpi.c
@@ -23,6 +23,9 @@ #include "qemu-timer.h"
 #include "sysemu.h"
 #include "i2c.h"
 #include "smbus.h"
+#ifdef USE_KVM
+#include "qemu-kvm.h"
+#endif
 
 //#define DEBUG
 
@@ -640,6 +643,19 @@ static void disable_processor(struct gpe
 
 void qemu_system_cpu_hot_add(int cpu, int state)
 {
+    CPUState *env;
+
+    if ((state) && (!qemu_kvm_cpu_env(cpu))) {
+        env = pc_new_cpu(cpu, model, 1);
+        if (!env) {
+            fprintf(stderr, "cpu %d creation failed\n", cpu);
+            return;
+        }
+#ifdef USE_KVM
+        kvm_init_new_ap(cpu, env);
+#endif
+    }
+
     qemu_set_irq(pm_state->irq, 1);
     gpe.up = 0;
     gpe.down = 0;
-- 
1.4.2


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