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Description: don't try to hotplug a cpu
qemu-kvm will end up crashing when qdev finds hotplug is not enabled. Let's
instead gracefully refuse.
Author: Serge Hallyn <serge.hallyn@ubuntu.com>
Forwarded: yes
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/878422
Index: qemu-kvm-1.1~rc+dfsg/hw/acpi_piix4.c
===================================================================
--- qemu-kvm-1.1~rc+dfsg.orig/hw/acpi_piix4.c 2012-06-01 01:19:22.000000000 +0000
+++ qemu-kvm-1.1~rc+dfsg/hw/acpi_piix4.c 2012-06-12 19:39:06.980254166 +0000
@@ -613,16 +613,23 @@
void qemu_system_cpu_hot_add(int cpu, int state)
{
+#if 0
CPUArchState *env;
+#endif
PIIX4PMState *s = global_piix4_pm_state;
if (state && !qemu_get_cpu(cpu)) {
+#if 1
+ fprintf(stderr, "cpu hotplug not supported\n");
+ return;
+#else
env = pc_new_cpu(global_cpu_model);
if (!env) {
fprintf(stderr, "cpu %d creation failed\n", cpu);
return;
}
env->cpuid_apic_id = cpu;
+#endif
}
if (state)
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