On Wed, Jun 07, 2017 at 12:35:11PM -0600, Jason Gunthorpe wrote: > On Wed, Jun 07, 2017 at 09:18:10PM +0300, Leon Romanovsky wrote: > > > > AFAIK, that is different, that is acking and retriggering a single shot > > > notification, not completing a kernel initiated handshake. > > > > It is acking that message from user was received by kernel and now > > processing. > > But isn't what is cared about here - the SA thing needs to send a > request to user space and collect a reply, it runs the protocol > backwards from normal. Thanks all, this explain a little bit "RDMA anomaly". I'm not sure that I saw such scheme in the kernel, does anybody else in the kernel use such backward scheme or this is RDMA-specific? Thanks
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