On Fri, 17 Apr 2015 14:37:16 -0400 Chris Metcalf <[email protected]> wrote:
> This change allows some cores to be excluded from running the > smp_hotplug_thread tasks. The following commit to update > kernel/watchdog.c to use this functionality is the motivating > example, and more information on the motivation is provided there. > > A new smp_hotplug_thread field is introduced, "cpumask", which > is cpumask field managed by the smpboot subsystem that indicates whether > or not the given smp_hotplug_thread should run on that core; the > cpumask is checked when deciding whether to unpark the thread. > > To limit the cpumask to less than cpu_possible, you must call > smpboot_update_cpumask_percpu_thread() after registering. Has Thomas commented on any version of this? t'would be nice. -- 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/
