On Wed, 24 Jun 2020 10:34:40 +0300 Aya Levin wrote: > >> I think Michal will rightly complain that this does not belong in > >> private flags any more. As (/if?) ARM deployments take a foothold > >> in DC this will become a common setting for most NICs. > > > > Initially we used pcie_relaxed_ordering_enabled() to > > programmatically enable this on/off on boot but this seems to > > introduce some degradation on some Intel CPUs since the Intel Faulty > > CPUs list is not up to date. Aya is discussing this with Bjorn. > Adding Bjorn Helgaas I see. Simply using pcie_relaxed_ordering_enabled() and blacklisting bad CPUs seems far nicer from operational perspective. Perhaps Bjorn will chime in. Pushing the validation out to the user is not a great solution IMHO. > > So until we figure this out, will keep this off by default. > > > > for the private flags we want to keep them for performance analysis as > > we do with all other mlx5 special performance features and flags.
