linux-kernel - Re: [PATCH v3 0/2] Invert cpu_hotplug_lock and cpuset

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Date:   Mon, 27 Nov 2017 08:48:55 -0800
From:   Tejun Heo <tj@...nel.org>
To:     Prateek Sood <prsood@...eaurora.org>
Cc:     peterz@...radead.org, longman@...hat.com, lizefan@...wei.com,
        mingo@...nel.org, boqun.feng@...il.com, tglx@...utronix.de,
        cgroups@...r.kernel.org, sramana@...eaurora.org,
        linux-kernel@...r.kernel.org, clingutla@...eaurora.org
Subject: Re: [PATCH v3 0/2] Invert cpu_hotplug_lock and cpuset_mutex locking
 order.

On Wed, Nov 15, 2017 at 07:50:13PM +0530, Prateek Sood wrote:
> This patch does following
> 	1- Remove circular dependency deadlock by inverting order of
> cpu_hotplug_lock and cpuset_mutex.
> 	2- Make cpuset_hotplug_workfn() synchronous for cpu hotplug path.
> For memory hotplug path it still gets queued as a work item.
> 
> Prateek Sood (2):
>   cgroup/cpuset: remove circular dependency deadlock
>   cpuset: Make cpuset hotplug synchronous

Applied to cgroup/for-4.15-fixes.

Thanks.

-- 
tejun