On Tue, May 20, 2014 at 03:39:59PM +0530, Srivatsa S. Bhat wrote: > > The multi_cpu_stop() path isn't exclusive to hotplug, so your changelog > > is wrong or the patch is. > > > > Yes, I know that multi_cpu_stop() isn't exclusive to hotplug. That's why > I have explicitly referred to CPU hotplug in the comment as well as the > changelog. > > But I totally agree that code-wise this is not the best way to do it since > this affects (although harmlessly) usecases other than hotplug as well. > > Do you have any other suggestions?
How about making a kernel/smp.c hotplug notifier and stuffing it in the CPU_DYING list? That's typically after we've already torn down the interrupts for that cpu, so no chance of any new ones coming in. Or is that too late? -- 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/
