From: Tejun Heo <tj@kernel.org>
To: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "Lai Jiangshan" <laijs@cn.fujitsu.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"\"Ishimatsu, Yasuaki/石松 靖章\"" <isimatu.yasuaki@jp.fujitsu.com>,
"Tang Chen" <tangchen@cn.fujitsu.com>,
"guz.fnst@cn.fujitsu.com" <guz.fnst@cn.fujitsu.com>
Subject: Re: [PATCH 1/2] workqueue: update numa affinity info at node hotplug
Date: Thu, 25 Dec 2014 15:11:56 -0500 [thread overview]
Message-ID: <20141225201156.GA22951@htj.dyndns.org> (raw)
In-Reply-To: <54910CFD.4070203@jp.fujitsu.com>
On Wed, Dec 17, 2014 at 01:56:29PM +0900, Kamezawa Hiroyuki wrote:
> Let me correct my words. Main purpose of this patch 1/2 is handling a case "node disappers" after boot.
> And try to handle physicall node hotplug caes.
>
> Changes of cpu<->node relationship at CPU_ONLINE is handled in patch 2/2.
Can you please make numa code itself maintain the cpu to nodemask
maps? Let's make workqueue a simple consumer of that and we don't
have proper notification mechanism for node up/down events?
Thanks.
--
tejun
next prev parent reply other threads:[~2014-12-25 20:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-16 16:36 [PATCH 0/2] workqueue: fix a bug when numa mapping is changed v4 Kamezawa Hiroyuki
2014-12-16 16:45 ` [PATCH 1/2] workqueue: update numa affinity info at node hotplug Kamezawa Hiroyuki
2014-12-17 1:36 ` Lai Jiangshan
2014-12-17 3:22 ` Kamezawa Hiroyuki
2014-12-17 4:56 ` Kamezawa Hiroyuki
2014-12-25 20:11 ` Tejun Heo [this message]
2015-01-13 7:19 ` Lai Jiangshan
2015-01-13 15:22 ` Tejun Heo
2015-01-14 2:47 ` Lai Jiangshan
2015-01-14 8:54 ` [RFC PATCH 0/2 shit_A shit_B] workqueue: fix wq_numa bug Lai Jiangshan
2015-01-14 8:54 ` [RFC PATCH 1/2 shit_A shit_B] workqueue: reset pool->node and unhash the pool when the node is offline Lai Jiangshan
2015-01-14 8:54 ` [RFC PATCH 2/2 shit_A] workqueue: update wq_numa when cpu_present_mask changed Lai Jiangshan
2015-01-14 8:54 ` [RFC PATCH 2/3 shit_B] workqueue: remove wq_numa_possible_cpumask Lai Jiangshan
2015-01-14 8:54 ` [RFC PATCH 3/3 shit_B] workqueue: directly update attrs of pools when cpu hot[un]plug Lai Jiangshan
2015-01-16 5:22 ` [RFC PATCH 0/2 shit_A shit_B] workqueue: fix wq_numa bug Yasuaki Ishimatsu
2015-01-16 8:04 ` Lai Jiangshan
2015-01-23 6:13 ` Izumi, Taku
2015-01-23 8:18 ` Lai Jiangshan
2015-01-14 13:57 ` [PATCH 1/2] workqueue: update numa affinity info at node hotplug Tejun Heo
2015-01-15 1:23 ` Lai Jiangshan
2014-12-16 16:51 ` [PATCH 2/2] workqueue: update cpumask at CPU_ONLINE if necessary Kamezawa Hiroyuki
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