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[Qemu-devel] [PATCH 1.1 V2] xen: Fix PV-on-HVM
From: |
Anthony PERARD |
Subject: |
[Qemu-devel] [PATCH 1.1 V2] xen: Fix PV-on-HVM |
Date: |
Wed, 16 May 2012 18:50:10 +0100 |
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 <address@hidden>
---
hw/xen_platform.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/hw/xen_platform.c b/hw/xen_platform.c
index a9c52a6..0214f37 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);
}
}
--
Anthony PERARD
- [Qemu-devel] [PATCH 1.1 V2] xen: Fix PV-on-HVM,
Anthony PERARD <=