In article <da98e240-5dfb-4c49-ebb0-55c43d7b5...@gmx.com>, Kamil Rytarowski <n...@gmx.com> wrote: >-=-=-=-=-=- >-=-=-=-=-=- > >I plan to remove the filesystem process tracing capability through >/proc/#/ctl. This is a legacy interface from 4.4BSD, and it was >introduced to overcome shortcomings of ptrace(2) at that time, which are >no longer relevant (performance). Today /proc/#/ctl offers a narrow >subset of ptrace(2) commands and is not applicable for modern >applications use beyond simplistic tracing scenarios. > >This removal will simplify kernel internals. Users will still be able to >use all the other /proc files. > >Presumably there are no known users of this interface and this is why I >plan to remove it without compat options. > >This change won't affect other procfs files neither Linux compat >features within mount_procfs(8). /proc/#/ctl isn't available on Linux.
Nothing to my knowledge uses is. Don't forget to cleanup the kernel ptrace code too (PSL_FSTRACE). christos
