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From 8bf4f561262d9282cebdb3418cdb9a69c92216a0 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 21:34:30 +0000
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Subject: [PATCH 6/7] 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: <20200219213431.11913-4-jusual@redhat.com>
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Patchwork-id: 93982
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH 3/4] virtio: reset region cache when on queue deletion
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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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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: Danilo C. L. de Paula <ddepaula@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 e6a9ba4..f644d9a 100644
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--- a/hw/virtio/virtio.c
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+++ b/hw/virtio/virtio.c
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@@ -2343,6 +2343,7 @@ void virtio_delete_queue(VirtQueue *vq)
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vq->handle_aio_output = NULL;
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g_free(vq->used_elems);
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vq->used_elems = 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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1.8.3.1
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