Merged requested to merge 4lDO2/kernel:userspace_fexec into master
Removes kernel implementations of
SYS_CLONE, replacing them with
execve implementations in relibc (as well as in
escalated for setuid/setgid). Also adds necessary interfaces for reusing references of, or copying, address spaces, file tables, and sigactions, as well as for setting e.g. name, cwd, uid, gid, etc.
Also removes initfs scheme, moving it to
bootstrap (and a tiny part of
And finally, and perhaps most exciting, phases out the old paging code in favor of RMM.