On Thu, Aug 18, 2016 at 09:27:50PM +0300, Roman Kagan wrote: > This patchset addresses a few problems discovered when analyzing aborts > of (an older version of) QEMU with backported commit > afd9096eb1882f23929f5b5c177898ed231bac66 "virtio: error out if guest > exceeds virtqueue size". Those problems are present in master, too, > except that they don't trigger an abort and are thus not as easy to > notice. > > > Roman Kagan (4): > virtio: assert on ->inuse underflow > virtio-balloon: make stats virtqueue length 1 > virtio-balloon: don't restart stats timer in callback > virtio-balloon: keep collecting stats on save/restore > > Cc: "Michael S. Tsirkin" <m...@redhat.com> > > hw/virtio/virtio-balloon.c | 49 > +++++++++++++++++++++----------------- > hw/virtio/virtio.c | 3 ++- > include/hw/virtio/virtio-balloon.h | 1 + > 3 files changed, 30 insertions(+), 23 deletions(-)
Please see these related patches on the mailing list: 1. [PATCH v3] balloon: Fix failure of updating guest memory status This addresses the virtio-balloon stats virtqueue hang after migration. 2. [PATCH 0/2] virtio: fix VirtQueue->inuse field Fixes to update virtio.c in code paths where it currently becomes inconsistent.
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