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From eec59692f7c3a776a3b5d01a367a3f467f403941 Mon Sep 17 00:00:00 2001
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From: Julia Suvorova <jusual@redhat.com>
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Date: Wed, 4 Mar 2020 20:07:53 -0500
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Subject: [PATCH 11/12] virtio: reset region cache when on queue deletion
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RH-Author: Julia Suvorova <jusual@redhat.com>
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Message-id: <20200304200754.32708-4-jusual@redhat.com>
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Patchwork-id: 94154
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O-Subject: [RHEL-7.9 qemu-kvm-rhev PATCH 3/4] virtio: reset region cache when on queue deletion
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Bugzilla: 1721403
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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RH-Acked-by: Maxim Levitsky <mlevitsk@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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Fix leak of region reference that prevents complete
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device deletion on hot unplug.
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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: <20191226043649.14481-2-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 421afd2fe8dd4603216cbf36081877c391f5a2a4)
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Signed-off-by: Jon Maloy <jmaloy.redhat.com>
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---
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hw/virtio/virtio.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
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index 29d8502500..9d624a3529 100644
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--- a/hw/virtio/virtio.c
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+++ b/hw/virtio/virtio.c
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@@ -1608,6 +1608,7 @@ void virtio_delete_queue(VirtQueue *vq)
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vq->vring.num_default = 0;
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vq->handle_output = NULL;
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vq->handle_aio_output = NULL;
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+ virtio_virtqueue_reset_region_cache(vq);
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}
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void virtio_del_queue(VirtIODevice *vdev, int n)
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--
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2.18.2
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