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authorAnthony PERARD <anthony.perard@citrix.com>2012-05-17 10:31:20 +0000
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2012-05-17 10:52:29 +0000
commita4f1a7589ad0926fc8db1a6c56d1c3e015be565c (patch)
tree247e008a2ba1081d0a02b8667cadff15b7f6a211
parentxen_disk: properly update stats in ioreq_release() (diff)
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xen: Fix PV-on-HVM
In the context of PV-on-HVM under Xen, the emulated nics are supposed to be unplug before the guest drivers are initialized, when the guest write to a specific IO port. Without this patch, the guest end up with two nics with the same MAC, the emulated nic and the PV nic. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--hw/xen_platform.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/xen_platform.c b/hw/xen_platform.c
index a9c52a6e3..0214f370b 100644
--- a/hw/xen_platform.c
+++ b/hw/xen_platform.c
@@ -87,7 +87,10 @@ static void unplug_nic(PCIBus *b, PCIDevice *d)
{
if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
PCI_CLASS_NETWORK_ETHERNET) {
- qdev_unplug(&(d->qdev), NULL);
+ /* Until qdev_free includes a call to object_unparent, we call it here
+ */
+ object_unparent(&d->qdev.parent_obj);
+ qdev_free(&d->qdev);
}
}