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SubjectRe: [PATCH 4/4] sched/topology: the group balance cpu must be a cpu where the group is installed
On Tue, Apr 25, 2017 at 05:22:36PM +0200, Peter Zijlstra wrote:
> On Tue, Apr 25, 2017 at 05:12:00PM +0200, Peter Zijlstra wrote:
> > But I'll first try and figure out why I'm not having empty masks.
>
> Ah, so this is before all the degenerate stuff, so there's a bunch of
> redundant domains below that make it work -- and there always will be,
> unless FORCE_SD_OVERLAP.
>
> Now I wonder what triggered it.. let me put it back.

Ah! the asymmetric setup, where @sibling is entirely uninitialized for
the top domain.

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