On Mon, Mar 16, 2015 at 02:02:11PM -0400, Christos Zoulas wrote: > My vote is to keep compat code, add ptyfs to all install kernels, and > try mounting ptyfs from sysinst before openpty.
No, you should not randomly add the expensive ptyfs code to INSTALL kernels you can not test yourself. Everything else above is fine, as long as sysinst is silent on ptyfs failure when the compat ipty nodes are available. Martin