* Ingo Molnar ([EMAIL PROTECTED]) wrote: > * Chris Wright <[EMAIL PROTECTED]> wrote: > > * Ingo Molnar ([EMAIL PROTECTED]) wrote: > > > well, there's setrlimit, so you could add a jackd client callback that > > > instructs all clients to change their RT_CPU_RATIO rlimit. In theory we > > > could try to add a new rlimit syscall that changes another task's rlimit > > > (right now the syscalls only allow the changing of the rlimit of the > > > current task) - that would enable utilities to change the rlimit of all > > > tasks in the system, achieving the equivalent of a global sysctl. > > > > We've talked about smth. similar in another thread. I'm not opposed > > to the idea. > > did that thread go into technical details? There are some rlimit users > that might not be prepared to see the rlimit change under them. The > RT_CPU_RATIO one ought to be safe, but generally i'm not so sure.
Not really. I mentioned the above, as well as the security concern. Right now, at least the task_setrlimit hook would have to change to take into account the task. And I never convinced myself that async changes would be safe for each rlimit. thanks, -chris -- Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
