linux-kernel - Re: [PATCH v6 2/3] sched: Move task_mm_cid

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Message-ID: <053fceb18aa0cd3999b0c5de8e9d843e0d391945.camel@redhat.com>
Date: Thu, 13 Feb 2025 15:54:11 +0100
From: Gabriele Monaco <gmonaco@...hat.com>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, 
	linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org, aubrey.li@...ux.intel.com, yu.c.chen@...el.com,
 Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...hat.com>,
 Peter Zijlstra	 <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>,
 "Paul E. McKenney"	 <paulmck@...nel.org>, Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH v6 2/3] sched: Move task_mm_cid_work to mm delayed work



On Thu, 2025-02-13 at 09:52 -0500, Mathieu Desnoyers wrote:
> On 2025-02-13 08:25, Gabriele Monaco wrote:
> > On Thu, 2025-02-13 at 14:52 +0800, kernel test robot wrote:
> > > kernel test robot noticed
> > > "WARNING:at_kernel/workqueue.c:#__queue_delayed_work" on:
> > > 
> > > [    2.640924][    T0] ------------[ cut here ]------------
> > > [ 2.641646][ T0] WARNING: CPU: 0 PID: 0 at
> > > kernel/workqueue.c:2495
> > > __queue_delayed_work (kernel/workqueue.c:2495 (discriminator 9))
> > > [    2.642874][    T0] Modules linked in:
> > > [    2.643381][    T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not
> > > tainted
> > > 6.14.0-rc2-00002-g287adf9e9c1f #1
> > > [    2.644582][    T0] Hardware name: QEMU Standard PC (i440FX +
> > > PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> > > [ 2.645943][ T0] RIP: 0010:__queue_delayed_work
> > > (kernel/workqueue.c:2495 (discriminator 9))
> > 
> > There seem to be major problems with this configuration, I'm trying
> > to
> > understand what's wrong but, for the time being, this patchset is
> > not
> > ready for inclusion.
> 
> Patch 1/3 has been ready for a while though. Can we post it
> separately
> for inclusion ?
> 

I would say so, there's no need to delay it further.

Thanks,
Gabriele