On Thu, 26 Feb 2015 08:49:07 +0100 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > Yes, notice that we don't start iterating at the beginning; this in on > purpose. If we start iterating at the beginning, _every_ cpu will again > pile up on the first one. > > By starting at the current cpu, each cpu will start iteration some place > else and hopefully, with a big enough system, different CPUs end up on a > different rto cpu. Note, v3 doesn't start at the current CPU, it starts at the original CPU again. As the start of every IPI comes from a different CPU, this still keeps a restart from clobbering the same CPU. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html