On Sat, Nov 24, 2018 at 3:58 AM Deepa Dinamani <deepa.kernel@xxxxxxxxx> wrote: > > SO_TIMESTAMP, SO_TIMESTAMPNS and SO_TIMESTAMPING options, the > way they are currently defined, are not y2038 safe. > Subsequent patches in the series add new y2038 safe versions > of these options which provide 64 bit timestamps on all > architectures uniformly. > Hence, rename existing options with OLD tag suffixes. Why do the existing interfaces have to be renamed when new interfaces are added?