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From: Sebastian Andrzej Siewior <bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
To: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Michal Hocko <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Vladimir Davydov
	<vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	Waiman Long <longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: [RFC PATCH 0/3] mm/memcg: Address PREEMPT_RT problems instead of disabling it.
Date: Wed, 5 Jan 2022 16:06:05 +0100	[thread overview]
Message-ID: <YdWz3RvPemg3m7WD@linutronix.de> (raw)
In-Reply-To: <20220105145956.GB6464-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>

On 2022-01-05 15:59:56 [+0100], Michal Koutný wrote:
> On Wed, Dec 22, 2021 at 12:41:08PM +0100, Sebastian Andrzej Siewior <bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org> wrote:
> > - lockdep complains were triggered by test_core and test_freezer (both
> >   had to run):
> 
> This doesn't happen on the patched kernel, correct?

I saw it first on the patched kernel (with this series) then went back
to the -rc and saw it there, too.

> Thanks,
> Michal

Sebastian

WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: "Michal Koutný" <mkoutny@suse.com>
Cc: cgroups@vger.kernel.org, linux-mm@kvack.org,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>,
	Vladimir Davydov <vdavydov.dev@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Waiman Long <longman@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC PATCH 0/3] mm/memcg: Address PREEMPT_RT problems instead of disabling it.
Date: Wed, 5 Jan 2022 16:06:05 +0100	[thread overview]
Message-ID: <YdWz3RvPemg3m7WD@linutronix.de> (raw)
In-Reply-To: <20220105145956.GB6464@blackbody.suse.cz>

On 2022-01-05 15:59:56 [+0100], Michal Koutný wrote:
> On Wed, Dec 22, 2021 at 12:41:08PM +0100, Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> > - lockdep complains were triggered by test_core and test_freezer (both
> >   had to run):
> 
> This doesn't happen on the patched kernel, correct?

I saw it first on the patched kernel (with this series) then went back
to the -rc and saw it there, too.

> Thanks,
> Michal

Sebastian


  parent reply	other threads:[~2022-01-05 15:06 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-22 11:41 [RFC PATCH 0/3] mm/memcg: Address PREEMPT_RT problems instead of disabling it Sebastian Andrzej Siewior
2021-12-22 11:41 ` Sebastian Andrzej Siewior
     [not found] ` <20211222114111.2206248-1-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2021-12-22 11:41   ` [RFC PATCH 1/3] mm/memcg: Protect per-CPU counter by disabling preemption on PREEMPT_RT Sebastian Andrzej Siewior
2021-12-22 11:41     ` Sebastian Andrzej Siewior
     [not found]     ` <20211222114111.2206248-2-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2021-12-23  2:31       ` Waiman Long
2021-12-23  2:31         ` Waiman Long
     [not found]         ` <bdfc9791-4af2-f4fb-9ef5-dab1e2e3ff89-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2021-12-23  7:34           ` Sebastian Andrzej Siewior
2021-12-23  7:34             ` Sebastian Andrzej Siewior
     [not found]             ` <YcQme8BPFl7P9T02-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2021-12-23 16:01               ` Waiman Long
2021-12-23 16:01                 ` Waiman Long
2022-01-05 14:16       ` Michal Koutný
2022-01-05 14:16         ` Michal Koutný
     [not found]         ` <20220105141653.GA6464-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2022-01-13 13:08           ` Sebastian Andrzej Siewior
2022-01-13 13:08             ` Sebastian Andrzej Siewior
     [not found]             ` <YeAkOm0YsAe5jFRb-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2022-01-13 14:48               ` Michal Koutný
2022-01-13 14:48                 ` Michal Koutný
     [not found]                 ` <20220113144803.GB28468-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2022-01-14  9:09                   ` Sebastian Andrzej Siewior
2022-01-14  9:09                     ` Sebastian Andrzej Siewior
     [not found]                     ` <YeE9zyUokSY9L2ZI-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2022-01-18 18:26                       ` [PATCH] mm/memcg: Do not check v1 event counter when not needed Michal Koutný
2022-01-18 18:26                         ` Michal Koutný
     [not found]                         ` <20220118182600.15007-1-mkoutny-IBi9RG/b67k@public.gmane.org>
2022-01-18 19:57                           ` Sebastian Andrzej Siewior
2022-01-18 19:57                             ` Sebastian Andrzej Siewior
2021-12-22 11:41   ` [RFC PATCH 2/3] mm/memcg: Add a local_lock_t for IRQ and TASK object Sebastian Andrzej Siewior
2021-12-22 11:41     ` Sebastian Andrzej Siewior
     [not found]     ` <20211222114111.2206248-3-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2021-12-23 21:38       ` Waiman Long
2021-12-23 21:38         ` Waiman Long
     [not found]         ` <4fe30c89-df34-bbdb-a9a1-5519e0363cc5-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2022-01-03 16:34           ` Sebastian Andrzej Siewior
2022-01-03 16:34             ` Sebastian Andrzej Siewior
     [not found]             ` <YdMlrFPvb94rzv8Z-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2022-01-03 17:09               ` Waiman Long
2022-01-03 17:09                 ` Waiman Long
2021-12-22 11:41   ` [RFC PATCH 3/3] mm/memcg: Allow the task_obj optimization only on non-PREEMPTIBLE kernels Sebastian Andrzej Siewior
2021-12-22 11:41     ` Sebastian Andrzej Siewior
     [not found]     ` <20211222114111.2206248-4-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2021-12-23 21:48       ` Waiman Long
2021-12-23 21:48         ` Waiman Long
     [not found]         ` <f6bb93c8-3940-6141-d0e0-50144549a4f5-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2022-01-03 14:44           ` Sebastian Andrzej Siewior
2022-01-03 14:44             ` Sebastian Andrzej Siewior
     [not found]             ` <YdML2zaU17clEZgt-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2022-01-03 15:04               ` Waiman Long
2022-01-03 15:04                 ` Waiman Long
     [not found]                 ` <df637005-6c72-a1c6-c6b9-70f81f74884d-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2022-01-05 20:22                   ` Sebastian Andrzej Siewior
2022-01-05 20:22                     ` Sebastian Andrzej Siewior
     [not found]                     ` <YdX+INO9gQje6d0S-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2022-01-06  3:28                       ` Waiman Long
2022-01-06  3:28                         ` Waiman Long
     [not found]                         ` <29457251-cf4f-4c7d-b36d-c2a0af4da707-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2022-01-13 15:26                           ` Sebastian Andrzej Siewior
2022-01-13 15:26                             ` Sebastian Andrzej Siewior
2022-01-05 14:59   ` [RFC PATCH 0/3] mm/memcg: Address PREEMPT_RT problems instead of disabling it Michal Koutný
2022-01-05 14:59     ` Michal Koutný
     [not found]     ` <20220105145956.GB6464-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2022-01-05 15:06       ` Sebastian Andrzej Siewior [this message]
2022-01-05 15:06         ` Sebastian Andrzej Siewior

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