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From 2f494c41715193522c52eafc6af2a5e33f88ceb9 Mon Sep 17 00:00:00 2001
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From: Julia Suvorova <jusual@redhat.com>
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Date: Wed, 19 Feb 2020 21:34:31 +0000
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Subject: [PATCH 7/7] virtio-net: delete also control queue when TX/RX deleted
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RH-Author: Julia Suvorova <jusual@redhat.com>
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Message-id: <20200219213431.11913-5-jusual@redhat.com>
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Patchwork-id: 93983
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH 4/4] virtio-net: delete also control queue when TX/RX deleted
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Bugzilla: 1791590
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RH-Acked-by: Danilo de Paula <ddepaula@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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From: Yuri Benditovich <yuri.benditovich@daynix.com>
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https://bugzilla.redhat.com/show_bug.cgi?id=1708480
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If the control queue is not deleted together with TX/RX, it
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later will be ignored in freeing cache resources and hot
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unplug will not be completed.
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
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Message-Id: <20191226043649.14481-3-yuri.benditovich@daynix.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit d945d9f1731244ef341f74ede93120fc9de35913)
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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 | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
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index db3d7c3..f325440 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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@@ -3101,7 +3101,8 @@ static void virtio_net_device_unrealize(DeviceState *dev, Error **errp)
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for (i = 0; i < max_queues; i++) {
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virtio_net_del_queue(n, i);
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}
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-
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+ /* delete also control vq */
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+ virtio_del_queue(vdev, max_queues * 2);
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qemu_announce_timer_del(&n->announce_timer, false);
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g_free(n->vqs);
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qemu_del_nic(n->nic);
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--
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1.8.3.1
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