From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 DEEDF3368AE for ; Fri, 31 Jul 2026 03:36:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785469006; cv=none; b=O6lZVHtJXktJF2FWb1NvuCNNElTtu/kBEgIyzyrxfpOJzudux78VncGCyocdyEJW3iyXlrrATJ9Zd6pzy3If19pq7IxoC1FWPY0pC/4UstdIBJjTk6zu99Ai2hmOyjMbAipHC90ThLz13bTLn9KxvP4uFz/kTVGySZqNwkZdzwI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785469006; c=relaxed/simple; bh=pbGudSxIWADdBKfgUDvcjnDPFVWk9dr7gNvetveAex4=; h=Date:From:To:Cc:Subject:Message-ID; b=QcmNWd0HEAlQIA+eaci5/sorlnyuTjtTivO2s6slLXVz9hn1+aFg6yT7/0i1F3w+pZ5SDCUrkHtyF8ns9TJ1XbrXO9E1ZRhyzBk41zEiN3+GfQOm3OjVHArhfcCSRJh0uuFV1FDtCdzaabnOJx8TuwyJE8EnEMJNFCBFr/g09yI= 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=CZsDTzqN; arc=none smtp.client-ip=198.175.65.18 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="CZsDTzqN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785469004; x=1817005004; h=date:from:to:cc:subject:message-id; bh=pbGudSxIWADdBKfgUDvcjnDPFVWk9dr7gNvetveAex4=; b=CZsDTzqNbib50uqYzPaQbLYOVX0JXPlEaOm96hL3pvmfk9/rfm7oMVey yvggJjrVz5MWkl3jDDGWVo9yPfO4o+AvhoK4FAnJS6e/Y5ru5t0d/Kqp2 JYMy1ksU8jz63ucxHZXibj17pLvoPCeaYQt51yamaKepclD3mTyUIGyDD S0l3832JdJIulbu+TKkNFQLXVoq5WNa7ywt5JNHMDmNh1fDxZ9yLLDxTP G1ZpSDU8CW0yGI8ir0TWn6axIzr7cfuE7RNBdUwMcA6dNFdAvYFyOPqtP TZqoGF6RAIaFOR3aR9pCrB90j7J6EEJNFHj6Z2c/4j2FSIcnQz02k6GJ3 A==; X-CSE-ConnectionGUID: 31I5+xPWQsuLFa4SHLsCCA== X-CSE-MsgGUID: 62sJtkiqQCyPgiFnY3ELEA== X-IronPort-AV: E=McAfee;i="6800,10657,11860"; a="86173493" X-IronPort-AV: E=Sophos;i="6.25,195,1779174000"; d="scan'208";a="86173493" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2026 20:36:43 -0700 X-CSE-ConnectionGUID: DO7HVyStQnyy/rTvYaKF9Q== X-CSE-MsgGUID: yfDKZtZTSSK1CwNM2VZmdQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,195,1779174000"; d="scan'208";a="283800364" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 30 Jul 2026 20:36:42 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wpe35-0000000002T-3qVl; Fri, 31 Jul 2026 03:36:39 +0000 Date: Fri, 31 Jul 2026 11:35:58 +0800 From: kernel test robot To: Luis Chamberlain Cc: oe-kbuild-all@lists.linux.dev Subject: [mcgrof:blk-iobuf-pool-v5-premap-iova 12/14] Warning: block/blk-map.c:516 function parameter 'opts' not described in 'blk_rq_map_user_iov_opts' Message-ID: <202607311138.abShvxCM-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git blk-iobuf-pool-v5-premap-iova head: 912328a605c4767433d483436a2d592d06063095 commit: ca011e66fdccef93bc916c7cf32323ad7b6fe2e2 [12/14] block, io_uring: premap a pool buffer to exceed the dma_opt clamp config: alpha-allmodconfig (https://download.01.org/0day-ci/archive/20260731/202607311138.abShvxCM-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260731/202607311138.abShvxCM-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/202607311138.abShvxCM-lkp@intel.com/ All warnings (new ones prefixed by >>): Warning: block/blk-map.c:366 Excess function parameter 'op' description in 'bio_copy_kern' >> Warning: block/blk-map.c:516 function parameter 'opts' not described in 'blk_rq_map_user_iov_opts' >> Warning: block/blk-map.c:516 expecting prototype for blk_rq_map_user_iov(). Prototype was for blk_rq_map_user_iov_opts() instead Warning: block/blk-map.c:366 Excess function parameter 'op' description in 'bio_copy_kern' -- >> Warning: block/blk-mq-dma.c:235 cannot understand function prototype: '/* * Premapped path: the buffer is persistently DMA-mapped as one contiguous IOVA * (dma_iova_*), so hand the whole mapping to the iterator as a single segment * instead of allocating an IOVA per I/O. This is what lets a premapped request * exceed the dma_opt_mapping_size() clamp folded into max_hw_sectors. The * completion path must NOT unmap it (see nvme_unmap_data). * * NOTE: this emits the mapping from its start, i.e. it assumes the request * covers the buffer from offset 0. The whole-buffer fixed-buffer command path * used by the pool selftest satisfies that; an arbitrary buffer offset needs' Warning: block/blk-mq-dma.c:430 Excess function parameter 'state' description in 'blk_rq_integrity_dma_map_iter_next' Warning: block/blk-mq-dma.c:430 Excess function parameter 'state' description in 'blk_rq_integrity_dma_map_iter_next' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki