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xen: Fix, no unplug of pt device by platform device. 

The Xen platform device will unplug any NICs if requested by the guest (PVonHVM)
including a NIC that would have been passthrough. This patch makes sure that a
passthrough device will not be unplug.

Reported-by: "Zhang, Yang Z" <yang.z.zhang@intel.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
master
Anthony PERARD 2012-10-03 13:45:24 +00:00 committed by Stefano Stabellini
parent e744c06fca
commit bd4982a6c6
1 changed files with 6 additions and 2 deletions
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8
hw/xen_platform.c
View File

@ -85,8 +85,10 @@ static void log_writeb(PCIXenPlatformState *s, char val)
static void unplug_nic(PCIBus *b, PCIDevice *d, void *o)
{
/* We have to ignore passthrough devices */
if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
PCI_CLASS_NETWORK_ETHERNET) {
PCI_CLASS_NETWORK_ETHERNET
&& strcmp(d->name, "xen-pci-passthrough") != 0) {
qdev_free(&d->qdev);
}
}
@ -98,8 +100,10 @@ static void pci_unplug_nics(PCIBus *bus)
static void unplug_disks(PCIBus *b, PCIDevice *d, void *o)
{
/* We have to ignore passthrough devices */
if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
PCI_CLASS_STORAGE_IDE) {
PCI_CLASS_STORAGE_IDE
&& strcmp(d->name, "xen-pci-passthrough") != 0) {
qdev_unplug(&(d->qdev), NULL);
}
}