3 ms·
Don't think this has anything to do with anything plan9 can do that Linux can't already. The barriers to enabling the magic plan9 has are more along the lines
by stormbrew 10y ago
Don't think this has anything to do with anything plan9 can do that Linux can't already.
The barriers to enabling the magic plan9 has are more along the lines of making it feasible for unprivileged users to mount and create namespaces themselves, which is complicated (afaik) largely by the way privilege escalation happens in unix systems.
This just looks like it prevents some information from leaking out about the host system from inside a cgroup by inspecting the /proc/PID/cgroup file.