Hello, On Wed, Jun 26, 2013 at 11:33:43AM -0400, Steven Rostedt wrote: > I thought the whole deal with this patchset was to remove stop_machine > from CPU hotplug. Why halt all CPUs just to remove one? stomp_machine() > is extremely intrusive for the entire system, where as one CPU making > sure all CPUs schedule isn't very intrusive at all. > > I didn't think the idea of this patch set was to make CPU hotplug > faster, just less intrusive to the system.
Yeap, removal of stop_machine is a great improvement in itself. ISTR mentions of hot-unplug latency but I could be mistaken. Srivatsa, can you please chime in on that? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
