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SubjectRe: [PATCH] sched/topology: fix the issue groups don't span domain->span for NUMA diameter > 2
Date
On 02/02/21 15:17, Valentin Schneider wrote:
> That is, rather than building overlapping groups and fixing them whenever
> that breaks (distance > 2), we could have:
> - the local group being the child domain's span (as always)
> - all non-local NUMA groups spanning a single node each, with the right sgc
> cross-referencing.
>
> Thoughts?
>

Hmph I'm thinking this can be broken by domain degeneration, as nothing
will come fix up the ->sgc link and we'd be back to having a reference to a
group that doesn't get updated...

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