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
