Re: [lttng-dev] Perf ABI (was: Re: [PATCH 09/11] sched: export task_prio to GPL modules)

2012-01-16 Thread Ingo Molnar
* Greg KH g...@kroah.com wrote: So I think udev actually is a good example of how to do it right, we provide proper backwards compatibility in the kernel to keep userspace working. I agree, i still have a udev system that i installed 5 years ago, and it's working mostly fine with current

[lttng-dev] [CTF] Dynamic enumerations and state system

2012-01-16 Thread Mathieu Desnoyers
Hi Alexandre, Recently, I brought forward ideas about adding a new type, dynamic enumeration to CTF. However, now that I come to think of it, these dynamic enumerations would duplicate something that should probably be done within the state system. Some information about the kind of use-case it