On Tue, Aug 27, 2024 at 04:15:42PM -0400, Peter Xu wrote: > On Tue, Jun 04, 2024 at 08:14:06PM +0800, Gonglei wrote: > > From: Jialin Wang <wangjialin23@xxxxxxxxxx> > > > > Hi, > > > > This patch series attempts to refactor RDMA live migration by > > introducing a new QIOChannelRDMA class based on the rsocket API. > > > > The /usr/include/rdma/rsocket.h provides a higher level rsocket API > > that is a 1-1 match of the normal kernel 'sockets' API, which hides the > > detail of rdma protocol into rsocket and allows us to add support for > > some modern features like multifd more easily. > > > > Here is the previous discussion on refactoring RDMA live migration using > > the rsocket API: > > > > https://lore.kernel.org/qemu-devel/20240328130255.52257-1-philmd@xxxxxxxxxx/ > > > > We have encountered some bugs when using rsocket and plan to submit them to > > the rdma-core community. > > > > In addition, the use of rsocket makes our programming more convenient, > > but it must be noted that this method introduces multiple memory copies, > > which can be imagined that there will be a certain performance degradation, > > hoping that friends with RDMA network cards can help verify, thank you! > > > > Jialin Wang (6): > > migration: remove RDMA live migration temporarily > > io: add QIOChannelRDMA class > > io/channel-rdma: support working in coroutine > > tests/unit: add test-io-channel-rdma.c > > migration: introduce new RDMA live migration > > migration/rdma: support multifd for RDMA migration > > This series has been idle for a while; we still need to know how to move > forward. What exactly is the question? This got a bunch of comments, the first thing to do would be to address them. > I guess I lost the latest status quo.. > > Any update (from anyone..) on what stage are we in? > > Thanks, > -- > Peter Xu
