Samuel Thibault <samuel.thiba...@gnu.org> skribis: > Richard Braun, le Thu 12 Sep 2013 10:57:25 +0200, a écrit : >> On Thu, Sep 12, 2013 at 10:38:31AM +0200, Samuel Thibault wrote: >> > Richard Braun, le Thu 12 Sep 2013 10:33:23 +0200, a écrit : >> > > Then why are we discussing interposing system calls ? >> > >> > Because a malicious program can still use the trap to escape whatever >> > cgroup system we are setting up. >> >> I suggest we simply disable the trap versions. > > Ah, right. > > I don't have the time to dive into the details, but in the end, couldn't > we switch to making task_create rather a proc RPC, rather than relying > on process nicely calling the proc proc_child RPC after having created > the task? proc would be doing the "kernel" task_create RPC on behalf > of the process. The main proc server would actually make a kernel RPC, > a sub-hurd proc server would nicely ask for it, thus not having to be > root.
But you’d still need a “real” task_create anyway, no? (I think the theory was that it should be possible to have a system where both POSIX-personality processes (known to proc) and other tasks would coexist in peace and harmony.) Ludo’.
