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Thu, 13 Feb 2025 05:25:09 -0800 (PST) X-Google-Smtp-Source: AGHT+IENU6VjDlB/N2PN9hlVnLZiGSzFJRV0p4BpMXpvTMGFtoS2ruJMjqgGYtys6hIAo1qsw5D79w== X-Received: by 2002:a05:600c:3d10:b0:434:a711:ace4 with SMTP id 5b1f17b1804b1-43959a49372mr72138295e9.17.1739453109324; Thu, 13 Feb 2025 05:25:09 -0800 (PST) Received: from gmonaco-thinkpadt14gen3.rmtit.csb ([185.107.56.42]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43959d3d5f3sm49848455e9.0.2025.02.13.05.25.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2025 05:25:08 -0800 (PST) Message-ID: <17bda9071b6962414f61668698fa840501819172.camel@redhat.com> Subject: Re: [PATCH v6 2/3] sched: Move task_mm_cid_work to mm delayed work From: Gabriele Monaco To: linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers , linux-mm@kvack.org, linux-kernel@vger.kernel.org, aubrey.li@linux.intel.com, yu.c.chen@intel.com, Andrew Morton , Ingo Molnar , Peter Zijlstra , Ingo Molnar , "Paul E. McKenney" , Shuah Khan Date: Thu, 13 Feb 2025 14:25:01 +0100 In-Reply-To: <202502131405.1ba0803f-lkp@intel.com> References: <202502131405.1ba0803f-lkp@intel.com> Autocrypt: addr=gmonaco@redhat.com; prefer-encrypt=mutual; keydata=mDMEZuK5YxYJKwYBBAHaRw8BAQdAmJ3dM9Sz6/Hodu33Qrf8QH2bNeNbOikqYtxWFLVm0 1a0JEdhYnJpZWxlIE1vbmFjbyA8Z21vbmFjb0ByZWRoYXQuY29tPoiZBBMWCgBBFiEEysoR+AuB3R Zwp6j270psSVh4TfIFAmbiuWMCGwMFCQWjmoAFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgk Q70psSVh4TfJzZgD/TXjnqCyqaZH/Y2w+YVbvm93WX2eqBqiVZ6VEjTuGNs8A/iPrKbzdWC7AicnK xyhmqeUWOzFx5P43S1E1dhsrLWgP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.54.3 (3.54.3-1.fc41) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: >=20 > [=C2=A0=C2=A0=C2=A0 2.640924][=C2=A0=C2=A0=C2=A0 T0] ------------[ cut he= re ]------------ > [ 2.641646][ T0] WARNING: CPU: 0 PID: 0 at kernel/workqueue.c:2495 > __queue_delayed_work (kernel/workqueue.c:2495 (discriminator 9))=20 > [=C2=A0=C2=A0=C2=A0 2.642874][=C2=A0=C2=A0=C2=A0 T0] Modules linked in: > [=C2=A0=C2=A0=C2=A0 2.643381][=C2=A0=C2=A0=C2=A0 T0] CPU: 0 UID: 0 PID: 0= Comm: swapper Not tainted > 6.14.0-rc2-00002-g287adf9e9c1f #1 > [=C2=A0=C2=A0=C2=A0 2.644582][=C2=A0=C2=A0=C2=A0 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))=20 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. Gabriele