On 2019/2/14 下午12:26, w...@redhat.com wrote:
From: Wei Xu <w...@redhat.com> https://github.com/Whishay/qemu.git Userspace and vhost-net backend test has been done with upstream kernel in guest. v3->v4: - add version number to the subject of each patch.(mst) v2->v3: v2/01 - drop it since the header has been synchronized from kernel.(mst & jason) v3/01 - rename 'avail_wrap_counter' to 'last_avail_wrap_counter', 'event_wrap_counter' to 'avail_wrap_counter' to make it easier to understand.(Jason) - revise commit message.(Jason) v3/02 - split packed ring areas size calculation to next patch.(Jason) to not break bisect(Jason). v3/03 - initialize packed ring region with correct size and attribute. - remove unnecessary 'else' checks. (Jason) v3/06 - add commit log. - replace 'event_wrap-counter' with 'avail_wrap_counter'. - merge common memory cache size check to virtqueue_get_avail_bytes().(Jason) - revise memory barrier comment.(Jason) - check indirect descriptors by desc.len/sizeof(desc).(Jason) - flip wrap counter with '^=1'.(Jason) v3/07 - move desc.id/len initialization to the declaration.(Jason) - flip wrap counter '!' with '^=1'.(Jason) - add memory barrier comments in commit message. v3/08 - use offsetof() when writing cache.(Jason) - avoid duplicated memory region write when turning off event_idx supported notification.(Jason) - add commit log.(Jason) - add avail & last_avail wrap counter difference description in commit log. v3/09 - remove unnecessary used/avail idx/wrap-counter from subsection. - put new subsection to the end of vmstate_virtio.(Jason) - squash the two userspace and vhost-net migration patches in v2.(Jason) v3/10 - reword commit message. - this is a help not a bug fix so I would like to keep it as a separate patch still.(Proposed a merge it by Jason) - the virtqueue_fill() is also not like an API so I would prefer not to touch it, please correct me if I did not get it in the right way.(Proposed a squash by Jason) v3/11 - squash feature bits for user space and vhost kernel/user backends. - enable packed ring feature bit provision on host by default.(Jason) Wei Xu (11): virtio: rename structure for packed ring virtio: device/driver area size calculation helper for split ring virtio: initialize packed ring region virtio: initialize wrap counter for packed ring virtio: queue/descriptor check helpers for packed ring virtio: get avail bytes check for packed ring virtio: fill/flush/pop for packed ring virtio: event suppression support for packed ring virtio-net: update the head descriptor in a chain lastly virtio: migration support for packed ring virtio: CLI and provide packed ring feature bit by default hw/net/vhost_net.c | 2 + hw/net/virtio-net.c | 11 +- hw/virtio/virtio.c | 798 +++++++++++++++++++++++++++++++++++++++++---- include/hw/virtio/virtio.h | 4 +- 4 files changed, 757 insertions(+), 58 deletions(-)
Looks like there's something missed in the series. e.g the support of: virtqueue_unpop() virtqueue_rewind() Thanks
