From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B6D36D1AE; Wed, 3 Apr 2024 11:14:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.237.130.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712142859; cv=none; b=m2g7QSQWNbxLTldXRQEeieSR6Nqvkwt3XuPTIPeNJn263w/+9hrWkkZwV+1VXrzFIplEgJbJORNkTxq3GvoFqvO+cqLub5IjBcaMRvXiEx205TBC+n9SuNFiz5F3suu5kGlaPtSbJZtwAd3NKs/XxIYxQxwZD3QvtMaMvFm68co= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712142859; c=relaxed/simple; bh=dZ19RSEwhVWhjhnaqZ0vIwPLtYWaedZYkYvYqGJ1kwo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=K3SB73JTTEkMCiPgT8bZ1gVaL+bY75rwJD1rgp3YpKkjbZR4Y/HaB1zSm7WR5kh/s4bWi7kigr7toUaon0UC4tq2tgtO8zwXRrxP0KznSskv3LvX6gSFGZ712CGsVku86E+I7/Tg61ZDxkha3cnLCnFJJPqdPUh6NkQkm6lj9x0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=leemhuis.info; spf=pass smtp.mailfrom=leemhuis.info; dkim=pass (2048-bit key) header.d=leemhuis.info header.i=@leemhuis.info header.b=uxvdKthd; arc=none smtp.client-ip=80.237.130.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=leemhuis.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=leemhuis.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=leemhuis.info header.i=@leemhuis.info header.b="uxvdKthd" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=leemhuis.info; s=he214686; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:Reply-To:MIME-Version:Date: Message-ID:From:Sender:Reply-To:Subject:Date:Message-ID:To:Cc:MIME-Version: Content-Type:Content-Transfer-Encoding:Content-ID:Content-Description: In-Reply-To:References; bh=Cwvg1mTQQrARNTqbIviETmjFgblYY9ykcZc99ybA6qo=; t=1712142857; x=1712574857; b=uxvdKthdQP0mhcG+yPoollm/13bCdv9jtHmG+Mh7gDmR+PE EwQEyVmOFeia1fLKH5CvZ863l3CRu54KmImNuvpP8mOcq1rNDfEyj/tAhF/pZtm7q6ElEiUoR6qxv VIWKB+myahmtn9r4OGISCtY9IYdl5zfu+XJV2X0jXaL/9MxZJ0Zlicxsq1Kx/jby5Flk51Lg0Jjel Yby64/BjfjN+yp6QHO4f0rzNNvq9pIyEdCbP1gW9inHb91LM5vjTct/aUij98+x8qKgNZOkUfnR+8 pPrEr6415AIXBsTCpGOwp6w+4qc31XvAAFyQ9xY7CoW6WxPxBqHU2yFjV7ed9X0g==; Received: from [2a02:8108:8980:2478:8cde:aa2c:f324:937e]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1rryZD-00023p-QR; Wed, 03 Apr 2024 13:14:07 +0200 Message-ID: <21a230d8-92cf-4ae9-ae4c-34b3a2fe2670@leemhuis.info> Date: Wed, 3 Apr 2024 13:14:07 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Reply-To: Linux regressions mailing list Subject: Re: [PATCH 6.8 000/715] 6.8.2-rc1 review To: Jon Hunter , Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, florian.fainelli@broadcom.com, pavel@denx.de, "linux-tegra@vger.kernel.org" References: <20240324223455.1342824-1-sashal@kernel.org> <0cdbf4d6-3dce-42ee-8029-c486ec999fb5@nvidia.com> From: "Linux regression tracking (Thorsten Leemhuis)" Content-Language: en-US, de-DE In-Reply-To: <0cdbf4d6-3dce-42ee-8029-c486ec999fb5@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1712142857;846c7af8; X-HE-SMSGID: 1rryZD-00023p-QR On 03.04.24 12:02, Jon Hunter wrote: > On 24/03/2024 22:22, Sasha Levin wrote: >> Tejun Heo (9): >>    workqueue: Move pwq->max_active to wq->max_active >>    workqueue: Factor out pwq_is_empty() >>    workqueue: Replace pwq_activate_inactive_work() with >>      [__]pwq_activate_work() >>    workqueue: Move nr_active handling into helpers >>    workqueue: Make wq_adjust_max_active() round-robin pwqs while >>      activating >>    workqueue: RCU protect wq->dfl_pwq and implement accessors for it >>    workqueue: Introduce struct wq_node_nr_active >>    workqueue: Implement system-wide nr_active enforcement for unbound >>      workqueues >>    workqueue: Don't call cpumask_test_cpu() with -1 CPU in >>      wq_update_node_max_active() > > > Sorry I am late on this, but I was not copied and so did not see this. I > noticed a suspend regression on Tegra186 with v6.8.y and bisect is point > to commit "workqueue: Implement system-wide nr_active enforcement for > unbound workqueues". > > Reverting commits "workqueue: Don't call cpumask_test_cpu() with -1 CPU > in wq_update_node_max_active()" and "workqueue: Implement system-wide > nr_active enforcement for unbound workqueues" does fix the problem. > > Note that I am not seeing this regression on the mainline with v6.9-rc2 > and so I am not sure if there is something else missing? I am also still > seeing the problem with v6.8.3-rc1. FWIW, there is a ongoing discussion about the workqueue backports (and if those should be removed) due to a earlier regression report (about hibernate, not suspend) here: https://lore.kernel.org/all/ce4c2f67-c298-48a0-87a3-f933d646c73b@leemhuis.info/ Ciao, Thorsten