On Thu, Jul 16, 2026 at 7:47 AM Jason Gunthorpe <[email protected]> wrote: > > > > On Thu, Jul 16, 2026 at 09:07:35AM +0800, fengchengwen wrote: > > Because cross-Root-Port P2P traffic with ST does not affect the host, but > > merely the completer may experience some performance degradation because > > it lacks the TPH hint. In this case, I suggest adding restrictions in the > > uAPI. > > I don't think this is complexity is worth doing for something that has > no functional impact. > > There is no difference between supplying the TPH and not supplying it, > so may as well supply it. > > Jason
Agreed, thanks -- that's the intended model. The ST is an advisory hint; when it can't reach the completer the traffic just behaves as the non-TPH baseline, so there's nothing to gate in the uAPI. Thanks, Zhiping
