From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 590A81891AB for ; Fri, 3 Jan 2025 20:06:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735934768; cv=none; b=DX9eeMcPOEqkm16sM/+3bLhNVe6iVG7InRgkPfHmzIbbJSL7jFw52obujdOLL4GA9xTha5MqiAsboElEnheV4NW/r4re9T9wygFKsqL86xJ8DFOxGAzMuqxtN4aJ9udL+1W4UaHBeCZGbKMjW9np01XiZYZWhb30soZrjWPQgOA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735934768; c=relaxed/simple; bh=HHQyoiApxje9tVkqv5G9AI2GRiUVHF21MsH8/Rtv8eE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=AZqi4QVZjgIylgCCrmSUjIXtBzjJLQAeC94ZdgYy/u1ar6KQlKylMskNxAKIo2j2Um1DfxOTh9xqVDBBbUC67pzP6DAb+uaWb0eh1llLNUjAWl1MOvU9SK/IaGmbXeXq82xN5TDo5EojjP+wFcasKAhTzGLbPSMk9Umacdszh4M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=MK9+01P1; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="MK9+01P1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1735934767; x=1767470767; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=HHQyoiApxje9tVkqv5G9AI2GRiUVHF21MsH8/Rtv8eE=; b=MK9+01P1Nt8VdJVr/D4xuLFEhpwmCZK8MtCvn15aK4vVtkAphIfS8YlO arodI+rmSLJiU0WGyX9V0k6qvZBn4OVpdh0D7J81W3ng1d9nUosKiwjX5 ZGGAp1GW3BQRlwIK9ACrlRBDuiod3lKk2CYqHzxgHeizPpSLar2rofwch li3+gZlxVKIdkV5QpCfi0a/B29mKuUDAAOVN4uwjvLDgX+hhi53tXVwNl s/O7tUX0PfIZo3NOaUBMFpwuPEHndQoxobRt3nnIuvfvGbqjNtUPSbYFL 42JGmbIwz30miJ3oWJw7ShRqsWvCyKDH66t/r7uleX4/2FXDtjqD3sUmm g==; X-CSE-ConnectionGUID: IkUEi/74T8GYcootjysEow== X-CSE-MsgGUID: 9jMRxXXuRg6VsGCQYvVNaQ== X-IronPort-AV: E=McAfee;i="6700,10204,11304"; a="39950909" X-IronPort-AV: E=Sophos;i="6.12,286,1728975600"; d="scan'208";a="39950909" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jan 2025 12:06:05 -0800 X-CSE-ConnectionGUID: CVzmhMWCQFKBVv20K/ELQg== X-CSE-MsgGUID: OIraSmQkSm2ixc3hgQUydA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,286,1728975600"; d="scan'208";a="101670827" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 03 Jan 2025 12:06:06 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tTnvm-000AFf-2O; Fri, 03 Jan 2025 20:06:02 +0000 Date: Sat, 4 Jan 2025 04:05:53 +0800 From: kernel test robot To: Will Deacon Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: mm/migrate.c:236:33: sparse: sparse: cast to non-scalar Message-ID: <202501040330.ObpSNF7x-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0bc21e701a6ffacfdde7f04f87d664d82e8a13bf commit: dee081bf8f824cabeb7c7495367d5dad0a444eb1 READ_ONCE: Drop pointer qualifiers when reading from scalar types date: 4 years, 9 months ago config: alpha-randconfig-r121-20241225 (https://download.01.org/0day-ci/archive/20250104/202501040330.ObpSNF7x-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250104/202501040330.ObpSNF7x-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/202501040330.ObpSNF7x-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> mm/migrate.c:236:33: sparse: sparse: cast to non-scalar >> mm/migrate.c:236:33: sparse: sparse: cast from non-scalar mm/migrate.c:824:9: sparse: sparse: context imbalance in '__buffer_migrate_page' - different lock contexts for basic block vim +236 mm/migrate.c 616b8371539a6c Zi Yan 2017-09-08 234 0697212a411c1d Christoph Lameter 2006-06-23 235 get_page(new); 6d2329f8872f23 Andrea Arcangeli 2016-10-07 @236 pte = pte_mkold(mk_pte(new, READ_ONCE(vma->vm_page_prot))); 3fe87967c536e8 Kirill A. Shutemov 2017-02-24 237 if (pte_swp_soft_dirty(*pvmw.pte)) c3d16e16522fe3 Cyrill Gorcunov 2013-10-16 238 pte = pte_mksoft_dirty(pte); d3cb8bf6081b8b Mel Gorman 2014-10-02 239 3fe87967c536e8 Kirill A. Shutemov 2017-02-24 240 /* 3fe87967c536e8 Kirill A. Shutemov 2017-02-24 241 * Recheck VMA as permissions can change since migration started 3fe87967c536e8 Kirill A. Shutemov 2017-02-24 242 */ 3fe87967c536e8 Kirill A. Shutemov 2017-02-24 243 entry = pte_to_swp_entry(*pvmw.pte); 0697212a411c1d Christoph Lameter 2006-06-23 244 if (is_write_migration_entry(entry)) d3cb8bf6081b8b Mel Gorman 2014-10-02 245 pte = maybe_mkwrite(pte, vma); f45ec5ff16a75f Peter Xu 2020-04-06 246 else if (pte_swp_uffd_wp(*pvmw.pte)) f45ec5ff16a75f Peter Xu 2020-04-06 247 pte = pte_mkuffd_wp(pte); d3cb8bf6081b8b Mel Gorman 2014-10-02 248 df6ad69838fc9d Jérôme Glisse 2017-09-08 249 if (unlikely(is_zone_device_page(new))) { df6ad69838fc9d Jérôme Glisse 2017-09-08 250 if (is_device_private_page(new)) { a5430dda8a3a1c Jérôme Glisse 2017-09-08 251 entry = make_device_private_entry(new, pte_write(pte)); a5430dda8a3a1c Jérôme Glisse 2017-09-08 252 pte = swp_entry_to_pte(entry); f45ec5ff16a75f Peter Xu 2020-04-06 253 if (pte_swp_uffd_wp(*pvmw.pte)) f45ec5ff16a75f Peter Xu 2020-04-06 254 pte = pte_mkuffd_wp(pte); df6ad69838fc9d Jérôme Glisse 2017-09-08 255 } d2b2c6dd227ba5 Lars Persson 2019-03-28 256 } a5430dda8a3a1c Jérôme Glisse 2017-09-08 257 :::::: The code at line 236 was first introduced by commit :::::: 6d2329f8872f23e46a19d240930571510ce525eb mm: vm_page_prot: update with WRITE_ONCE/READ_ONCE :::::: TO: Andrea Arcangeli :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki