[Qemu-devel] [PATCH 0/2] vhost: check if vhost has capacity for hotplugged memory

[Igor Mammedov <imammedo@redhat.com>]

it's defensive patchset which helps to avoid QEMU crashing
at memory hotplug time by checking that vhost has free capacity
for an additional memory slot.

Igor Mammedov (2):
  vhost: add vhost_has_free_slot() interface
  pc-dimm: add vhost slots limit check before commiting to hotplug

 hw/mem/pc-dimm.c                  |  7 +++++++
 hw/virtio/vhost-backend.c         | 23 ++++++++++++++++++++++-
 hw/virtio/vhost-user.c            |  8 +++++++-
 hw/virtio/vhost.c                 | 21 +++++++++++++++++++++
 include/hw/virtio/vhost-backend.h |  2 ++
 include/hw/virtio/vhost.h         |  1 +
 stubs/Makefile.objs               |  1 +
 stubs/vhost.c                     |  6 ++++++
 8 files changed, 67 insertions(+), 2 deletions(-)
 create mode 100644 stubs/vhost.c

-- 
1.8.3.1