On Fri, Feb 24, 2023 at 2:32 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > > It's probably most legacy by now - it's a long time since I saw a > > serial port being used outside of management ports, and even those are > > often ethernet these days. > > Serial console is hard to replace Yeah, but I don't think that should make it "default on" just because somebody picked 8250. I may have 8250 in my old config for my own legacy reasons, that doesn't mean that when I upgrade a kernel, it should default new drivers to be enabled too. My old legacy 8250 history does *not* suddenly grow new hardware. Side note: we have *truly* legacy things like that SERIAL_8250_DEPRECATED_OPTIONS thing, which also - for historical reasons - is "default y". I guess that's just another sign of the whole "this is legacy" thing. Linus