On Mon, Jul 11, 2016 at 11:55:23AM +0200, Peter Zijlstra wrote: > On Wed, Jun 22, 2016 at 06:03:15PM +0100, Morten Rasmussen wrote: > > Add a topology flag to the sched_domain hierarchy indicating > > sched_groups at this sched_domain level having different per cpu > > capacity (e.g. big.LITTLE big-only and little-only groups) or groups in > > sibling domains with different capacity. > > > IOW, domains not spanning cpus > > of all available capacities up until and including the first level > > spanning cpus of all capacities available system wide. > > This ^, which would be SD1 below, why? I would expect only SD2 to be > tagged, since that does indeed have asymmetric capacities.
That would make most sense, but it complicates how we can use the flag. See reply to your related question for patch #5.

