mirror of https://github.com/proxmox/mirror_qemu
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. Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>master
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a340046614
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4accd107d0
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@ -87,7 +87,10 @@ static void unplug_nic(PCIBus *b, PCIDevice *d)
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{
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{
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if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
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if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
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PCI_CLASS_NETWORK_ETHERNET) {
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PCI_CLASS_NETWORK_ETHERNET) {
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qdev_unplug(&(d->qdev), NULL);
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/* Until qdev_free includes a call to object_unparent, we call it here
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*/
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object_unparent(&d->qdev.parent_obj);
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qdev_free(&d->qdev);
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}
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}
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}
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}
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