From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 1FB0F22EE9 for ; Sun, 4 Feb 2024 16:07:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707062845; cv=none; b=DWViwALui3zdbpEiL0TvxyJ12h6Ylnsm29mGVy5+Ff3e96XWko04OsW08Ks0pQNsZh8JBVU4ajW9mgHSjlfOc5SplWcUoTScMefeOg61Si2lGpVmzceiao98TgtEgDz1eP5YGwraweDa2/R+y9Xl+ykzi09mHmHBMsuyeUkYVrk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707062845; c=relaxed/simple; bh=beEMEPxTnmhGmIynDJ6rtVnEmNm3uQWc7Wq1nr3UZyc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eUbb8kT+vFQarFubym2vW+o+LTYUa85Jeh4R93DMUHe5/o6MaL5tNichhEtpEOZPRV5nP6m6NdCjphBL1p3fGP3b6l+/5JD4tngqBmpw1kYBVYg7VDyHTpK3JKtKqJQUPCQWw0axCnQwpMyzAcy0uRFkp5hgCwfmzAKg0+oB7yI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=FdtbKKCq; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FdtbKKCq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1707062842; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=tJbzKOQG5Y0HNZGsJaBEogo5XOc3ovFLiwYQiXooh+I=; b=FdtbKKCqlJ/M6EDzA8N/8gHDk01Q17YRBKHtx0+S/W6oisG7jLVMfSgrR6W7kI/ynr2sfC 9tRXc+T014KK5C8QabgiRFcwePB5EDMP9sjqoZmg+bgTql/hmKUllKs0ETBCrJZoFTSZpL t/y8ot2oJ9NNbrmpacQZDrIdkzYOR8Q= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-47-Mvr3fQ2kMRyyZruMacBRBQ-1; Sun, 04 Feb 2024 11:07:18 -0500 X-MC-Unique: Mvr3fQ2kMRyyZruMacBRBQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EDD8D1013767; Sun, 4 Feb 2024 16:07:17 +0000 (UTC) Received: from [10.22.8.85] (unknown [10.22.8.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6B078492BC6; Sun, 4 Feb 2024 16:07:17 +0000 (UTC) Message-ID: <149cbb48-ad60-4817-b464-ad53418aadd0@redhat.com> Date: Sun, 4 Feb 2024 11:07:17 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH-wq v2 3/5] workqueue: Thaw frozen pwq in workqueue_apply_unbound_cpumask() Content-Language: en-US To: kernel test robot , Tejun Heo , Lai Jiangshan Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Juri Lelli , Cestmir Kalina , Alex Gladkov , Phil Auld , Costa Shulyupin References: <20240203154334.791910-4-longman@redhat.com> <202402041854.YeHAF3wV-lkp@intel.com> From: Waiman Long In-Reply-To: <202402041854.YeHAF3wV-lkp@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.9 On 2/4/24 05:15, kernel test robot wrote: > Hi Waiman, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on tj-wq/for-next] > [also build test WARNING on next-20240202] > [cannot apply to linus/master v6.8-rc2] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Waiman-Long/workqueue-Skip-__WQ_DESTROYING-workqueues-when-updating-global-unbound-cpumask/20240203-234626 > base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-next > patch link: https://lore.kernel.org/r/20240203154334.791910-4-longman%40redhat.com > patch subject: [PATCH-wq v2 3/5] workqueue: Thaw frozen pwq in workqueue_apply_unbound_cpumask() > config: x86_64-randconfig-122-20240204 (https://download.01.org/0day-ci/archive/20240204/202402041854.YeHAF3wV-lkp@intel.com/config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402041854.YeHAF3wV-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202402041854.YeHAF3wV-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) > kernel/workqueue.c:361:40: sparse: sparse: duplicate [noderef] > kernel/workqueue.c:361:40: sparse: sparse: multiple address spaces given: __percpu & __rcu >>> kernel/workqueue.c:6373:25: sparse: sparse: incompatible types in comparison expression (different address spaces): > kernel/workqueue.c:6373:25: sparse: struct pool_workqueue * > kernel/workqueue.c:6373:25: sparse: struct pool_workqueue [noderef] __rcu * OK, I didn't realize that a __rcu tag is added to the dfl_pwq in 6.9. Will change the patch series to use the appropriate helpers to avoid this kind of warnings. Cheers, Longman