Messages in this thread | | | Date | Thu, 31 Mar 2022 17:49:46 +0200 | Subject | Re: [PATCH v2] arch/arm64: Fix topology initialization for core scheduling | From | Dietmar Eggemann <> |
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On 31/03/2022 16:53, Phil Auld wrote: > On Thu, Mar 31, 2022 at 04:37:50PM +0200 Dietmar Eggemann wrote: >> On 31/03/2022 15:21, Phil Auld wrote: >>> On Thu, Mar 31, 2022 at 11:04:31AM +0200 Dietmar Eggemann wrote: >>>> On 30/03/2022 17:56, Phil Auld wrote:
[...]
>> Yeah, maybe, it wouldn't hurt I guess. IMHO mentioning stress-ng's prctl >> needs PR_SCHED_CORE support could also be handy since today's stress-ng >> packages don't seem to have this yet. >> > > My scripts clone it so I did not realize that was not in prepackaged versions > yet. But that said, that's really just a way to tickle the problem. Anyone > using core scheduling on such a system will hit this (at least the WARN part, > the actual crash was harder to create w/o all the threads and tasks stress-ng > uses).
OK.
I just saw that there is even a kselftest for this:
9f2699007493 - kselftest: Add test for core sched prctl interface (2021-05-12 Chris Hyser)
But it doesn't trigger the issue.
> I can send a v3 with a further commit message update.
Sounds good.
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