On Mon, Nov 19, 2018 at 2:33 AM Christian Brauner <christian@xxxxxxxxxx> wrote: > > With this patch an open() call on /proc/<pid> will give userspace a handle > to struct pid of the process associated with /proc/<pid>. This allows to > maintain a stable handle on a process. > I have been discussing various approaches extensively during technical > conferences this year culminating in a long argument with Eric at Linux > Plumbers. The general consensus was that having a handle on a process > should be something that is very simple and easy to maintain with the > option of being extensible via a more advanced api if the need arises. I > believe that this patch is the most simple, dumb, and therefore > maintainable solution. How does the mechanism you're adding here differ from proc_pid()?
