From: Valentin Schneider <valentin.schneider@arm.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>
Cc: Nathan Lynch <nathanl@linux.ibm.com>,
Gautham R Shenoy <ego@linux.vnet.ibm.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Rik van Riel <riel@surriel.com>,
linuxppc-dev@lists.ozlabs.org,
Geetika Moolchandani <Geetika.Moolchandani1@ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Laurent Dufour <ldufour@linux.ibm.com>,
Mel Gorman <mgorman@techsingularity.net>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH v2 1/2] sched/topology: Skip updating masks for non-online nodes
Date: Tue, 17 Aug 2021 01:01:46 +0100 [thread overview]
Message-ID: <87mtph6is5.mognet@arm.com> (raw)
In-Reply-To: <20210816103347.GC21942@linux.vnet.ibm.com>
On 16/08/21 16:03, Srikar Dronamraju wrote:
>>
>> Your version is much much better than mine.
>> And I have verified that it works as expected.
>>
>>
>
> Hey Peter/Valentin
>
> Are we waiting for any more feedback/testing for this?
>
I'm not overly fond of that last one, but AFAICT the only alternative is
doing a full-fledged NUMA topology rebuild on new-node onlining (i.e. make
calling sched_init_numa() more than once work). It's a lot more work for a
very particular usecase.
>
> --
> Thanks and Regards
> Srikar Dronamraju
WARNING: multiple messages have this Message-ID (diff)
From: Valentin Schneider <valentin.schneider@arm.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
LKML <linux-kernel@vger.kernel.org>,
Mel Gorman <mgorman@techsingularity.net>,
Rik van Riel <riel@surriel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
linuxppc-dev@lists.ozlabs.org,
Nathan Lynch <nathanl@linux.ibm.com>,
Gautham R Shenoy <ego@linux.vnet.ibm.com>,
Geetika Moolchandani <Geetika.Moolchandani1@ibm.com>,
Laurent Dufour <ldufour@linux.ibm.com>
Subject: Re: [PATCH v2 1/2] sched/topology: Skip updating masks for non-online nodes
Date: Tue, 17 Aug 2021 01:01:46 +0100 [thread overview]
Message-ID: <87mtph6is5.mognet@arm.com> (raw)
In-Reply-To: <20210816103347.GC21942@linux.vnet.ibm.com>
On 16/08/21 16:03, Srikar Dronamraju wrote:
>>
>> Your version is much much better than mine.
>> And I have verified that it works as expected.
>>
>>
>
> Hey Peter/Valentin
>
> Are we waiting for any more feedback/testing for this?
>
I'm not overly fond of that last one, but AFAICT the only alternative is
doing a full-fledged NUMA topology rebuild on new-node onlining (i.e. make
calling sched_init_numa() more than once work). It's a lot more work for a
very particular usecase.
>
> --
> Thanks and Regards
> Srikar Dronamraju
next prev parent reply other threads:[~2021-08-17 0:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-01 4:15 [PATCH v2 0/2] Skip numa distance for offline nodes Srikar Dronamraju
2021-07-01 4:15 ` Srikar Dronamraju
2021-07-01 4:15 ` [PATCH v2 1/2] sched/topology: Skip updating masks for non-online nodes Srikar Dronamraju
2021-07-01 4:15 ` Srikar Dronamraju
2021-07-01 14:28 ` Valentin Schneider
2021-07-01 14:28 ` Valentin Schneider
2021-07-12 12:48 ` Srikar Dronamraju
2021-07-12 12:48 ` Srikar Dronamraju
2021-07-13 16:32 ` Valentin Schneider
2021-07-13 16:32 ` Valentin Schneider
2021-07-23 14:39 ` Srikar Dronamraju
2021-07-23 14:39 ` Srikar Dronamraju
2021-08-04 10:01 ` Srikar Dronamraju
2021-08-04 10:01 ` Srikar Dronamraju
2021-08-04 10:20 ` Valentin Schneider
2021-08-04 10:20 ` Valentin Schneider
2021-08-08 15:56 ` Valentin Schneider
2021-08-08 15:56 ` Valentin Schneider
2021-08-09 6:52 ` Srikar Dronamraju
2021-08-09 6:52 ` Srikar Dronamraju
2021-08-09 12:52 ` Valentin Schneider
2021-08-09 12:52 ` Valentin Schneider
2021-08-10 11:47 ` Srikar Dronamraju
2021-08-10 11:47 ` Srikar Dronamraju
2021-08-16 10:33 ` Srikar Dronamraju
2021-08-16 10:33 ` Srikar Dronamraju
2021-08-17 0:01 ` Valentin Schneider [this message]
2021-08-17 0:01 ` Valentin Schneider
2021-07-01 4:15 ` [PATCH v2 2/2] powerpc/numa: Fill distance_lookup_table for offline nodes Srikar Dronamraju
2021-07-01 4:15 ` Srikar Dronamraju
2021-07-01 9:36 ` kernel test robot
2021-07-01 9:36 ` kernel test robot
2021-07-01 10:20 ` kernel test robot
2021-07-01 10:20 ` kernel test robot
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