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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20171127164848.GF983427@devbig577.frc2.facebook.com>
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