From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/7] arm64: numa/topology/smp: update the cpumasks for CPU hotplug
Date: Wed, 4 Jul 2018 15:00:34 +0100 [thread overview]
Message-ID: <20180704140034.GC4828@arm.com> (raw)
In-Reply-To: <1529327923-17911-1-git-send-email-sudeep.holla@arm.com>
Hi Sudeep,
On Mon, Jun 18, 2018 at 02:18:36PM +0100, Sudeep Holla wrote:
> was reported to cause some hotplug and system suspend regressions when
> it was merged. On investigation, it was found that unlike x86/PPC,
> arm64 doesn't update the cpu and numa masks on CPU hotplug. That's
> somewhat expected from the scheduler.
>
> Since these changes were bit invasive as a solution to the above
> mentioned regression, as small change was temporarily applied as a fix.
> This series updates the cpu and numa masks on CPU hotplug and reverts
> that temporary fix.
>
> It would be good to get this tested(CPU hotplug - few and all CPUs in
> a socket) on multi-socket/NUMA systems from Cavium and Huawei/Hisilicon.
This is looking pretty good to me. I've made some minor comments on a couple
of the patches, so please address those and repost with the Tested-bys that
you received, then I can queue this for 4.19.
Thanks,
Will
next prev parent reply other threads:[~2018-07-04 14:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-18 13:18 [PATCH v2 0/7] arm64: numa/topology/smp: update the cpumasks for CPU hotplug Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 1/7] arm64: topology: refactor reset_cpu_topology to add support for removing topology Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 2/7] arm64: numa: separate out updates to percpu nodeid and NUMA node cpumap Sudeep Holla
2018-06-27 6:54 ` Ganapatrao Kulkarni
2018-07-04 13:52 ` Will Deacon
2018-07-04 13:59 ` Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 3/7] arm64: topology: add support to remove cpu topology sibling masks Sudeep Holla
2018-07-04 13:58 ` Will Deacon
2018-07-04 14:11 ` Sudeep Holla
2018-07-04 14:27 ` Will Deacon
2018-07-04 14:30 ` Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 4/7] arm64: topology: restrict updating siblings_masks to online cpus only Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 5/7] arm64: smp: remove cpu and numa topology information when hotplugging out CPU Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 6/7] arm64: topology: rename llc_siblings to align with other struct members Sudeep Holla
2018-06-18 13:18 ` [PATCH v2 7/7] arm64: topology: re-introduce numa mask check for scheduler MC selection Sudeep Holla
2018-06-26 6:50 ` [PATCH v2 0/7] arm64: numa/topology/smp: update the cpumasks for CPU hotplug Hanjun Guo
2018-06-26 9:23 ` Sudeep Holla
2018-06-27 3:51 ` Hanjun Guo
2018-06-27 9:33 ` Sudeep Holla
2018-06-27 5:35 ` Ganapatrao Kulkarni
2018-06-27 9:31 ` Sudeep Holla
2018-07-04 14:00 ` Will Deacon [this message]
2018-07-04 14:01 ` Sudeep Holla
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