On Thu, 2012-03-22 at 13:13 +0100, Peter Zijlstra wrote: > > Furthermore, I was pondering the scenario where a 3rd cpu IPIs the newly > booting cpu, I suspect we need a smp_wmb() after setting cpu_active and > a rmb in select_fallback_rq() before reading active. Hmm, not IPI, that would be covered by the disabling of interrupts on bringup, but somehow manage to wake a thread that's strictly affine that the fresh cpu, like queue_work_on() or so. -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
