Hi Jason, On 12/06/2020 12.55, Jason Gunthorpe wrote: > On Fri, Jun 12, 2020 at 12:41:16PM -0700, Gerd Rausch wrote: >> This issue appears to no longer exist in Linux-4.15 >> and younger, because the following commit does >> call "ib_req_notify_cq" on "send_cq": >> 8966e28d2e40c ("IB/ipoib: Use NAPI in UD/TX flows") > > I'm not really clear what you want to happen to this patch - are you > proposing a stable patch that is not just a backport? Why can't you > backport the fix above instead? I considered backporting commit 8966e28d2e40c ("IB/ipoib: Use NAPI in UD/TX flows") with all the dependencies it may have a considerably higher risk than just arming the TX CQ. > > You'll need to follow everything in > > Documentation/process/stable-kernel-rules.rst > > Or the stable maintainers won't even look at this. > Thanks, Gerd