From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Mel Gorman <mgorman@techsingularity.net>,
Rik van Riel <riel@surriel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Benjamin Herrenschmidt <benh@au1.ibm.com>
Subject: Re: [PATCH 2/2] sched/topology: Expose numa_mask set/clear functions to arch
Date: Fri, 31 Aug 2018 14:08:20 +0200 [thread overview]
Message-ID: <20180831120820.GN24124@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180831115350.GC8437@linux.vnet.ibm.com>
On Fri, Aug 31, 2018 at 04:53:50AM -0700, Srikar Dronamraju wrote:
> The topology events are suppose to be very rare.
> From whatever small experiments I have done till now, unless tasks are
> bound to both cpu and memory, they seem to be coping well with topology
> updates.
IOW, if you're not using NUMA, it works if you change the NUMA setup.
You don't see anything wrong with that?!
Those programs would work as well if you didn't expose the NUMA stuff,
because they're not using it anyway.
next prev parent reply other threads:[~2018-08-31 12:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <reply-to=<20180808081942.GA37418@linux.vnet.ibm.com>
2018-08-10 17:00 ` [PATCH 1/2] sched/topology: Set correct numa topology type Srikar Dronamraju
2018-08-10 17:00 ` [PATCH 2/2] sched/topology: Expose numa_mask set/clear functions to arch Srikar Dronamraju
2018-08-29 8:02 ` Peter Zijlstra
2018-08-31 10:27 ` Srikar Dronamraju
2018-08-31 11:12 ` Peter Zijlstra
2018-08-31 11:26 ` Peter Zijlstra
2018-08-31 11:53 ` Srikar Dronamraju
2018-08-31 12:05 ` Peter Zijlstra
2018-08-31 12:08 ` Peter Zijlstra [this message]
2018-08-21 11:02 ` [PATCH 1/2] sched/topology: Set correct numa topology type Srikar Dronamraju
2018-08-21 13:59 ` Peter Zijlstra
2018-09-10 10:06 ` [tip:sched/core] sched/topology: Set correct NUMA " tip-bot for Srikar Dronamraju
2018-08-08 7:09 [PATCH] sched/topology: Use Identity node only if required Srikar Dronamraju
2018-08-08 7:58 ` Peter Zijlstra
2018-08-08 8:19 ` Srikar Dronamraju
2018-08-08 8:43 ` Peter Zijlstra
2018-08-08 9:30 ` Peter Zijlstra
2018-08-10 16:45 ` Srikar Dronamraju
2018-08-29 8:43 ` Peter Zijlstra
2018-08-29 8:57 ` Peter Zijlstra
2018-08-31 10:22 ` Srikar Dronamraju
2018-08-31 10:41 ` Peter Zijlstra
2018-08-31 11:26 ` Srikar Dronamraju
2018-08-31 12:06 ` Peter Zijlstra
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