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From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	lizefan@huawei.com, hannes@cmpxchg.org, mingo@redhat.com,
	cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-team@fb.com, pjt@google.com, luto@amacapital.net,
	efault@gmx.de, torvalds@linux-foundation.org, guro@fb.com
Subject: Re: [PATCH 5/6] cgroup: implement cgroup v2 thread support
Date: Wed, 19 Jul 2017 13:48:42 -0400	[thread overview]
Message-ID: <20170719174842.GR3365493@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <e6a9daf1-461d-080c-a301-12cdad5e2b73@redhat.com>

Hello, Waiman.

On Wed, Jul 19, 2017 at 01:09:38PM -0400, Waiman Long wrote:
> For me, that is the only good reason why we should keep the current
> behavior. So I am fine with that.
> 
> + cgrp->dom_cgrp = cgrp->dom_cgrp;
> 
> However, I am still puzzled by above line of code, should it be just
> 
>   cgrp->dom_cgrp = cgrp;

Oh I see.  Yeah, that's just a silly (harmless) bug.  The field gets
properly initialized in init_cgroup_housekeeping().  I'll remove that
line.

Thanks!

-- 
tejun

  reply	other threads:[~2017-07-19 17:48 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-17  2:07 [PATCHSET for-4.13] cgroup: implement cgroup2 thread mode, v3 Tejun Heo
2017-07-17  2:07 ` [PATCH 1/6] cgroup: reorganize cgroup.procs / task write path Tejun Heo
2017-07-17  2:07 ` [PATCH 2/6] cgroup: add @flags to css_task_iter_start() and implement CSS_TASK_ITER_PROCS Tejun Heo
2017-07-17  2:07 ` [PATCH 3/6] cgroup: introduce cgroup->dom_cgrp and threaded css_set handling Tejun Heo
2017-07-17  2:07 ` [PATCH 4/6] cgroup: implement CSS_TASK_ITER_THREADED Tejun Heo
2017-07-17  2:07 ` [PATCH 5/6] cgroup: implement cgroup v2 thread support Tejun Heo
2017-07-17 14:14   ` Peter Zijlstra
2017-07-17 14:26     ` Tejun Heo
2017-07-18 17:28       ` Peter Zijlstra
2017-07-18 17:35         ` Waiman Long
2017-07-18 17:54         ` Tejun Heo
2017-07-18 18:41           ` Peter Zijlstra
2017-07-18 18:47             ` Tejun Heo
2017-07-19 14:07               ` Peter Zijlstra
2017-07-19 16:34                 ` Tejun Heo
2017-07-17 20:56     ` Waiman Long
2017-07-18 14:37       ` Waiman Long
2017-07-18 17:10         ` Tejun Heo
2017-07-18 17:23           ` Waiman Long
2017-07-19 16:29             ` Tejun Heo
2017-07-19 17:09               ` Waiman Long
2017-07-19 17:48                 ` Tejun Heo [this message]
2017-07-17 21:12   ` Waiman Long
2017-07-19 15:40     ` Tejun Heo
2017-07-17  2:07 ` [PATCH 6/6] cgroup: update debug controller to print out thread mode information Tejun Heo
2017-07-17 21:19   ` Waiman Long
2017-07-19 15:31     ` Tejun Heo
2017-07-19 15:41       ` Waiman Long
2017-07-19 15:44         ` Tejun Heo
2017-07-17 14:48 ` [PATCHSET for-4.13] cgroup: implement cgroup2 thread mode, v3 Waiman Long
2017-07-17 14:51   ` Tejun Heo
  -- strict thread matches above, loose matches on Subject: below --
2017-07-19 19:44 [PATCHSET for-4.13] cgroup: implement cgroup2 thread mode, v4 Tejun Heo
2017-07-19 19:44 ` [PATCH 5/6] cgroup: implement cgroup v2 thread support Tejun Heo

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