On 8/20/2014 1:13 PM, Julian Elischer wrote: > On 8/20/14, 11:00 AM, Davide Italiano wrote: >> One of my personal goals for 11 is to get rid of cloning mechanism >> entirely, and pty(4) is one of the few in-kernel drivers still relying >> on such mechanism. >> It's not possible, at least to my understanding, converting pty(4) to >> cdevpriv(9) as happened with other drivers. This is mainly because we >> always need a pair of devices (/dev/ptyXX and /dev/ttyXX) and >> userspace loops over ptyXX and after it successfully opens it tries to >> open the other one with the same suffix. So, having a single device is >> not really enough. >> My option, instead, is that of removing pty(4), which is nothing more >> than a compatibility driver, and move pmtx(4) code somewhere else. >> The main drawback of the removal of this is that it makes impossible >> to run FreeBSD <= 7 jails and SSH into them. I personally don't >> consider this a huge issue, in light of the fact that FreeBSD-7 has >> been EOL for a long time, but I would like to hear other people >> comments. >> >> The code review for the proposed change can be found here: >> https://reviews.freebsd.org/D659 >> >> If I won't get any objection I'll commit this in one week time, i.e. >> August 27th. > I agree with Alfred. > breaking old jails is a no no. > many people still use them. Me included. > I sometimes run jails back to 1.1, > not everything works, but enough does to build 1.1 binaries for certain > devices.
+1 to keeping compat. -- Regards, Bryan Drewery
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