From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 A986918CBEF for ; Tue, 1 Oct 2024 03:26:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727753215; cv=none; b=JqNbPThI+m4aY+wFuyTfwTLoJFN32FyWVpRP8dLBvRA3eMX4bj7i5hwyg6femt1Oxt3amExO/eglPXpWqmxQGbMwKauymL611atf/i3cDNSETlfndLCjTUa2qBiXmGXHqdXxBi7oAUIe6eXcfDLduy/pNwpOI+3fbtmgU/HvWTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727753215; c=relaxed/simple; bh=BZSGgs6xQkIailMKfFzTNSA3/PsvFMStaPKXMjG0bKk=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=LBLilCFUXzamY2kY6KRC2fhGOkJrRx3lkj7gwDzrgkQAU+BRdrRrrZwPI5valNIttlUlFsCdA6Nb4k+Ls/kIHhZAs9c3EQA+81DcePvgdGizLwcCupbGGi/I7Bz14RMmxUgXe2g3aTXG+EzS7dQwi5NsiXBeKRZRuOcC6mwPUM0= 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=iqxDaDmd; arc=none smtp.client-ip=198.175.65.10 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="iqxDaDmd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727753213; x=1759289213; h=date:from:to:cc:subject:message-id:mime-version; bh=BZSGgs6xQkIailMKfFzTNSA3/PsvFMStaPKXMjG0bKk=; b=iqxDaDmdyHPmDT0V3eCwyQd6i6nvXw1drHXlQl3s4hynY549HbEyvlmN Gvo5LtPFsLgJWO+GOiLs/PWeex2P82pnLFBBCc5zHo0+QF9m2Jxtfqngi 1/Xe3IWkPnFRjhbaccIzfHP4izvet3ocLV+WwQ1KyGKuGJcUBSIiinmKK gD9bBCyWQgTqDFJ/jaU7mvZOstC/8fynj+TtlPKiujdD1ACGGv5gB9vr2 yY1IDS+33OsRAy6eIKRTHhzvWFyGauohBh32mJeY84QR6KrGJ2l8sw5cK AHQtiIkMiHUPCyHqG9FqVxRdjTZfVyY7/Icu3D449jSeE2gmDjq9z1lzy A==; X-CSE-ConnectionGUID: YizTDzOITu696qx/kO9T6A== X-CSE-MsgGUID: gqLkx+2HTPyvrW5K354FxA== X-IronPort-AV: E=McAfee;i="6700,10204,11211"; a="44327603" X-IronPort-AV: E=Sophos;i="6.11,167,1725346800"; d="scan'208";a="44327603" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2024 20:26:53 -0700 X-CSE-ConnectionGUID: 5KafOjeeTLaFd+bYywwKkg== X-CSE-MsgGUID: 9YS5Ng9URk6VQ/OVI2W5rg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,167,1725346800"; d="scan'208";a="73819095" Received: from lkp-server01.sh.intel.com (HELO 53e96f405c61) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 30 Sep 2024 20:26:51 -0700 Received: from kbuild by 53e96f405c61 with local (Exim 4.96) (envelope-from ) id 1svTXF-000QCV-0n; Tue, 01 Oct 2024 03:26:49 +0000 Date: Tue, 1 Oct 2024 11:26:17 +0800 From: kernel test robot To: Mike Snitzer Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Matthew Sakai Subject: drivers/md/dm-vdo/int-map.c:87: error: Cannot parse struct or union! Message-ID: <202410011107.U2xbVLRA-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=us-ascii Content-Disposition: inline Hi Mike, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e32cde8d2bd7d251a8f9b434143977ddf13dcec6 commit: f36b1d3ba533d21b5b793623f05761b0297d114e dm vdo: use a proper Makefile for dm-vdo date: 7 months ago config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20241001/202410011107.U2xbVLRA-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241001/202410011107.U2xbVLRA-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/202410011107.U2xbVLRA-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/md/dm-vdo/int-map.c:87: error: Cannot parse struct or union! drivers/md/dm-vdo/int-map.c:105: warning: Function parameter or struct member 'bucket_count' not described in 'int_map' drivers/md/dm-vdo/int-map.c:330: warning: Function parameter or struct member '__always_unused' not described in 'search_hop_list' drivers/md/dm-vdo/int-map.c:330: warning: Excess function parameter 'map' description in 'search_hop_list' drivers/md/dm-vdo/int-map.c:461: warning: Function parameter or struct member '__always_unused' not described in 'move_empty_bucket' drivers/md/dm-vdo/int-map.c:461: warning: Excess function parameter 'map' description in 'move_empty_bucket' vim +87 drivers/md/dm-vdo/int-map.c cc46b9554b3f6d Matthew Sakai 2023-11-16 66 cc46b9554b3f6d Matthew Sakai 2023-11-16 67 /** cc46b9554b3f6d Matthew Sakai 2023-11-16 68 * struct bucket - hash bucket cc46b9554b3f6d Matthew Sakai 2023-11-16 69 * cc46b9554b3f6d Matthew Sakai 2023-11-16 70 * Buckets are packed together to reduce memory usage and improve cache efficiency. It would be cc46b9554b3f6d Matthew Sakai 2023-11-16 71 * tempting to encode the hop offsets separately and maintain alignment of key/value pairs, but cc46b9554b3f6d Matthew Sakai 2023-11-16 72 * it's crucial to keep the hop fields near the buckets that they use them so they'll tend to share cc46b9554b3f6d Matthew Sakai 2023-11-16 73 * cache lines. cc46b9554b3f6d Matthew Sakai 2023-11-16 74 */ cc46b9554b3f6d Matthew Sakai 2023-11-16 75 struct __packed bucket { cc46b9554b3f6d Matthew Sakai 2023-11-16 76 /** cc46b9554b3f6d Matthew Sakai 2023-11-16 77 * @first_hop: The biased offset of the first entry in the hop list of the neighborhood cc46b9554b3f6d Matthew Sakai 2023-11-16 78 * that hashes to this bucket. cc46b9554b3f6d Matthew Sakai 2023-11-16 79 */ cc46b9554b3f6d Matthew Sakai 2023-11-16 80 u8 first_hop; cc46b9554b3f6d Matthew Sakai 2023-11-16 81 /** @next_hop: The biased offset of the next bucket in the hop list. */ cc46b9554b3f6d Matthew Sakai 2023-11-16 82 u8 next_hop; cc46b9554b3f6d Matthew Sakai 2023-11-16 83 /** @key: The key stored in this bucket. */ cc46b9554b3f6d Matthew Sakai 2023-11-16 84 u64 key; cc46b9554b3f6d Matthew Sakai 2023-11-16 85 /** @value: The value stored in this bucket (NULL if empty). */ cc46b9554b3f6d Matthew Sakai 2023-11-16 86 void *value; cc46b9554b3f6d Matthew Sakai 2023-11-16 @87 }; cc46b9554b3f6d Matthew Sakai 2023-11-16 88 :::::: The code at line 87 was first introduced by commit :::::: cc46b9554b3f6d2f09b1111386b2706e5b4f56c8 dm vdo: add basic hash map data structures :::::: TO: Matthew Sakai :::::: CC: Mike Snitzer -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki