On Thu, Nov 28, 2013 at 04:00:55PM +0100, Oleg Nesterov wrote: > And btw. Note ____call_usermodehelper()->set_cpus_allowed_ptr(cpu_all_mask). > > Even if we change the affinity of the "khelper" worker threads this > won't restrict the user-space helpers. > > I think this set_cpus_allowed_ptr() should die in any case?
Yes. A while back someone proposed adding a magic cpumask to tweak in order to contain the usermode helpers. Obviously I thought that was a bad idea. -- 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/
