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Re: [PATCH 03/14] sched/topology: Fix building of overlapping sched-groups

From Rik van Riel <riel@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 03/14] sched/topology: Fix building of overlapping sched-groups
Date 2017-05-01 22:10 +0200
Message-ID <tCpNT-59h-5@gated-at.bofh.it> (permalink)
References <tBehP-7VW-5@gated-at.bofh.it> <tBehQ-7VW-39@gated-at.bofh.it>
Organization Red Hat, Inc

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On Fri, 2017-04-28 at 15:20 +0200, Peter Zijlstra wrote:
> When building the overlapping groups, we very obviously should start
> with the previous domain of _this_ @cpu, not CPU-0.

> With patch this looks like:
> 
>   [] CPU1 attaching sched-domain:
>   []  domain 0: span 0-2 level NUMA
>   []   groups: 1 0 2
>   []   domain 1: span 0-3 level NUMA
>   []    groups: 0-2 (cpu_capacity = 3072) 0,2-3 (cpu_capacity = 3072)
> 
> Cc: stable@vger.kernel.org
> Fixes: e3589f6c81e4 ("sched: Allow for overlapping sched_domain
> spans")
> Debugged-by: Lauro Ramos Venancio <lvenanci@redhat.com>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Acked-by: Rik van Riel <riel@redhat.com>

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[PATCH 03/14] sched/topology: Fix building of overlapping sched-groups Peter Zijlstra <peterz@infradead.org> - 2017-04-28 15:40 +0200
  Re: [PATCH 03/14] sched/topology: Fix building of overlapping  sched-groups Rik van Riel <riel@redhat.com> - 2017-05-01 22:10 +0200

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