53 lines
1.6 KiB
Diff
53 lines
1.6 KiB
Diff
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From 92fb4f6cdde32652352a0a831a2ba815701a4014 Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Fri, 3 Jul 2020 12:37:05 -0400
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Subject: [PATCH 4/4] virtio-net: fix removal of failover device
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RH-Author: Juan Quintela <quintela@redhat.com>
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Message-id: <20200703123705.7175-2-quintela@redhat.com>
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Patchwork-id: 97901
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O-Subject: [RHEL-AV-8.2.1 qemu-kvm PATCH 1/1] virtio-net: fix removal of failover device
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Bugzilla:
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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If you have a networking device and its virtio failover device, and
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you remove them in this order:
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- virtio device
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- the real device
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You get qemu crash.
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See bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1820120
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Bug exist on qemu 4.2 and 5.0.
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But in 5.0 don't shows because commit
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77b06bba62034a87cc61a9c8de1309ae3e527d97
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somehow papers over it.
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CC: Jason Wang <jasowang@redhat.com>
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CC: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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hw/net/virtio-net.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
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index f325440d01..dabeb9e720 100644
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--- a/hw/net/virtio-net.c
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+++ b/hw/net/virtio-net.c
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@@ -3091,6 +3091,7 @@ static void virtio_net_device_unrealize(DeviceState *dev, Error **errp)
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g_free(n->vlans);
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if (n->failover) {
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+ device_listener_unregister(&n->primary_listener);
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g_free(n->primary_device_id);
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g_free(n->standby_id);
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qobject_unref(n->primary_device_dict);
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--
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2.27.0
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