From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 2398A10A0C for ; Mon, 27 May 2024 20:02:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716840179; cv=none; b=LKz4MkX4ipELWoXdoq+QI9dbZvnI+gh8+bYaYg1u8eztvF4+vGaBxj/+Plm3lYDNwYdX16RqPWlbg7DyY9mc7uCwECsZb1tb+CL92jpBYurIHCRRM2tZBPbZcl6/h0WDsU9KO6QXz1ybRk2urXrpiNyWD1PC+WZQV/KPlsfvgrw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716840179; c=relaxed/simple; bh=cal7mG0qUZDbQaDkg8S5M7WXgm8vuqmTCMSvfQjBd84=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=CIbO9v95+qI3xJ0QultGXonORvAYGJcAimgiljm0vZ+w6OfHnbg1kttXlfugS1kaLtL9tWfkPfj9Wb2CGI3j6a4oanGMoCzE02kix99ZOsNGh0xC9rrMnZBH/WfboTTMJp673eJ0X4Vuty6QAJCN0gYEOMMHLHnlYUO1cOA7aIw= 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=HttzYzSD; arc=none smtp.client-ip=192.198.163.7 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="HttzYzSD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716840177; x=1748376177; h=date:from:to:cc:subject:message-id:mime-version; bh=cal7mG0qUZDbQaDkg8S5M7WXgm8vuqmTCMSvfQjBd84=; b=HttzYzSD2+JV+JpxljWFkW0rMJySdd0Un7/bY+Uq2JOGK1CE9Ue7nOr4 dBK5EDBT85xqsS4HUnfEvZ99ar8WCSom+5OtH5cCv5RBsnQp1com0iY5B 7iaMBU0U0pvrmJ5RiiLzWKaHOjv24B4b6D/OoxAX/Juq+Hx1GCrUzXuif NEMykNxnKIy8UzPa2vJJRcVRzI5z2iHOBL6fbT2d8Q+8o6mmD5udeXhMu ErV05LgefSSYymbHVIn9R670BJrqxA5H+udAgDwoasJHFncQF2ENFSxd3 S6qCg13PHvh7jl7mFqf307SDnabLmEZcnuRCWlSacOT84S5YYJ+7+yz47 g==; X-CSE-ConnectionGUID: 5hk7/ydWToeqDRl0wUUPtw== X-CSE-MsgGUID: JKMQQKvDQmWKkA5zULz8Vw== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="38551854" X-IronPort-AV: E=Sophos;i="6.08,193,1712646000"; d="scan'208";a="38551854" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2024 13:02:56 -0700 X-CSE-ConnectionGUID: OvQQXpLfRQuX6VE8i4kLfQ== X-CSE-MsgGUID: 7hyXouXUT0eYX5P46h8/3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,193,1712646000"; d="scan'208";a="34737795" Received: from unknown (HELO 0610945e7d16) ([10.239.97.151]) by orviesa010.jf.intel.com with ESMTP; 27 May 2024 13:02:55 -0700 Received: from kbuild by 0610945e7d16 with local (Exim 4.96) (envelope-from ) id 1sBgYV-000B2t-36; Mon, 27 May 2024 20:02:52 +0000 Date: Tue, 28 May 2024 04:02:40 +0800 From: kernel test robot To: Mike Snitzer Cc: llvm@lists.linux.dev, 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: <202405280322.DuFLX7rb-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: 2bfcfd584ff5ccc8bb7acde19b42570414bf880b commit: f36b1d3ba533d21b5b793623f05761b0297d114e dm vdo: use a proper Makefile for dm-vdo date: 3 months ago config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240528/202405280322.DuFLX7rb-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240528/202405280322.DuFLX7rb-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/202405280322.DuFLX7rb-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