On Sat, Mar 30, 2019 at 09:24:23AM -0700, Linus Torvalds wrote: > On Sat, Mar 30, 2019 at 9:19 AM Christian Brauner <christian@xxxxxxxxxx> wrote: > > > > From pure API perspective that's all I care about: independence of procfs. > > Once we have pidfd_open() we can cleanly signal threads etc. > > But "independence from procfs" means that you damn well don't then do > "oh, now I have a pidfd, I want to turn it into a /proc fd and then > munge around there". > > So I'm literally saying that it had better really *be* independent > from /proc. It is the standalone version, but it's most definitely > also the version that doesn't then give you secret access to /proc. > > And it weorries me a lot that people are trying to play these kinds of > games. I'm just seeing some android patch that adds this horror and > then starts using it. The original need for this conversion thing came from Android indeed. I won't go forward with any such patches. Christian