From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40FAFC433EF for ; Tue, 8 Mar 2022 16:42:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348192AbiCHQno (ORCPT ); Tue, 8 Mar 2022 11:43:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348762AbiCHQnE (ORCPT ); Tue, 8 Mar 2022 11:43:04 -0500 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F89351E7D for ; Tue, 8 Mar 2022 08:41:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646757718; x=1678293718; h=date:from:to:cc:subject:message-id:mime-version; bh=gxzLS3gy5LU7YpYO+WjqIpkupjHeEsFeLiAdD0l+l5w=; b=PqLyBdziZ2ct6KqiuqM4stG5IGJOTbDfmHnpnJK95JrQouZLBN3YIF31 x+jALR+WW0+9gYER3RCHkAXXT/J6gzmrugeqWCjV35EIIb/w0pnzXjyKu 5NwSyEd/0+nlYbYHuOUYFBksyF7jrnU+cnZ+CY2OCqdM42hcUmKtk+w3f +kwmhExCbPjQaMJ3NCHRzSGZ2yc1O0E1G6upsFKaXRfEmK0zoR0b6ly4U LHNbMDoyhBwLFFr5UCfB7fFD/1vGNg8+G4sZhLPlpuw/2dLSU3nklJO+p 0ygSeRIahm30wgImxsr2zq2QRt/2FkfuUCbASwALnw+soQUWXbPMziQCF w==; X-IronPort-AV: E=McAfee;i="6200,9189,10280"; a="341165977" X-IronPort-AV: E=Sophos;i="5.90,165,1643702400"; d="scan'208";a="341165977" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2022 08:41:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,165,1643702400"; d="scan'208";a="513172086" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 08 Mar 2022 08:41:33 -0800 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nRctw-0001ix-FE; Tue, 08 Mar 2022 16:41:32 +0000 Date: Wed, 9 Mar 2022 00:41:21 +0800 From: kernel test robot To: John Stultz Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org Subject: [ammarfaizi2-block:google/android/kernel/common/android12-5.4 4028/9999] drivers/dma-buf/heaps/deferred-free-helper.c:23:19: sparse: sparse: symbol 'freelist_waitqueue' was not declared. Should it be static? Message-ID: <202203090021.OvfMJum5-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, First bad commit (maybe != root cause): tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-5.4 head: 8a3679a75730c1babde6bf63e35d227f3305bd90 commit: e3919bfeb0066ab9b5f9765e5610b95672990e64 [4028/9999] ANDROID: dma-buf: system_heap: Add deferred freeing to the system heap config: x86_64-randconfig-s021-20220307 (https://download.01.org/0day-ci/archive/20220309/202203090021.OvfMJum5-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/ammarfaizi2/linux-block/commit/e3919bfeb0066ab9b5f9765e5610b95672990e64 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-5.4 git checkout e3919bfeb0066ab9b5f9765e5610b95672990e64 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/dma-buf/heaps/ init/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/dma-buf/heaps/deferred-free-helper.c:23:19: sparse: sparse: symbol 'freelist_waitqueue' was not declared. Should it be static? >> drivers/dma-buf/heaps/deferred-free-helper.c:24:20: sparse: sparse: symbol 'freelist_task' was not declared. Should it be static? vim +/freelist_waitqueue +23 drivers/dma-buf/heaps/deferred-free-helper.c bd1639945c30298 John Stultz 2020-12-09 20 bd1639945c30298 John Stultz 2020-12-09 21 static LIST_HEAD(free_list); bd1639945c30298 John Stultz 2020-12-09 22 static size_t list_nr_pages; bd1639945c30298 John Stultz 2020-12-09 @23 wait_queue_head_t freelist_waitqueue; bd1639945c30298 John Stultz 2020-12-09 @24 struct task_struct *freelist_task; bd1639945c30298 John Stultz 2020-12-09 25 static DEFINE_SPINLOCK(free_list_lock); bd1639945c30298 John Stultz 2020-12-09 26 :::::: The code at line 23 was first introduced by commit :::::: bd1639945c30298e4bea2b611d6b0cd08d3cdd98 ANDROID: dma-buf: heaps: Add deferred-free-helper library code :::::: TO: John Stultz :::::: CC: John Stultz --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org