----- On Jul 17, 2015, at 6:49 AM, Ben Maurer [email protected] wrote: > Mathieu Desnoyers wrote: >> Expose a new system call allowing threads to register a userspace memory >> area where to store the current CPU number. Scheduler migration sets the > > I really like that this approach makes it easier to add a per-thread > interaction > between userspace and the kernel in the future. > >>+ if (!tlap || t->thread_local_abi_len < >>+ offsetof(struct thread_local_abi, cpu) >>+ + sizeof(tlap->cpu)) > > Could you save a branch here by enforcing that thread_local_abi_len = 0 if > thread_local_abi = null?
Yes, good idea! Will do. Thanks! Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- 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/
