On Tue, 16 Feb 2021 at 14:30, Cornelia Huck <coh...@redhat.com> wrote: > Step 4 in "2.7.13 Supplying Buffers to The Device": > > "The driver performs a suitable memory barrier to ensure the device > sees the updated descriptor table and available ring before the next > step."
I thought that my first time through the spec as well, but I think the whole of section 2.7 is dealing with "packed virtqueues", which have to be explicitly negotiated and which I don't think the s390-ccw code is doing. thnaks -- PMM
