debian/patches/virtio-balloon-drop-old-stats-code.patch

   1 From: Luiz Capitulino <lcapitulino@redhat.com>
   2 Subject: [Qemu-devel] [PATCH 1/3] virtio-balloon: drop old stats code
   3
   4 Next commit will re-enable balloon stats with a different interface, but
   5 this old code conflicts with it. Drop it.
   6
   7 Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
   8 ---
   9  hw/virtio-balloon.c | 22 ----------------------
  10  1 file changed, 22 deletions(-)
  11
  12 diff --git a/hw/virtio-balloon.c b/hw/virtio-balloon.c
  13 index dd1a650..4398025 100644
  14 --- a/hw/virtio-balloon.c
  15 +++ b/hw/virtio-balloon.c
  16 @@ -164,28 +164,6 @@ static uint32_t virtio_balloon_get_features(VirtIODevice *vdev, uint32_t f)
  17  static void virtio_balloon_stat(void *opaque, BalloonInfo *info)
  18  {
  19      VirtIOBalloon *dev = opaque;
  20 -
  21 -#if 0
  22 -    /* Disable guest-provided stats for now. For more details please check:
  23 -     * https://bugzilla.redhat.com/show_bug.cgi?id=623903
  24 -     *
  25 -     * If you do enable it (which is probably not going to happen as we
  26 -     * need a new command for it), remember that you also need to fill the
  27 -     * appropriate members of the BalloonInfo structure so that the stats
  28 -     * are returned to the client.
  29 -     */
  30 -    if (dev->vdev.guest_features & (1 << VIRTIO_BALLOON_F_STATS_VQ)) {
  31 -        virtqueue_push(dev->svq, &dev->stats_vq_elem, dev->stats_vq_offset);
  32 -        virtio_notify(&dev->vdev, dev->svq);
  33 -        return;
  34 -    }
  35 -#endif
  36 -
  37 -    /* Stats are not supported.  Clear out any stale values that might
  38 -     * have been set by a more featureful guest kernel.
  39 -     */
  40 -    reset_stats(dev);
  41 -
  42      info->actual = ram_size - ((uint64_t) dev->actual <<
  43                                 VIRTIO_BALLOON_PFN_SHIFT);
  44  }
  45 --
  46 1.8.0
  47
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  50