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X-CSE-ConnectionGUID: V0enqaD9S0OLqYby94zqlw== X-CSE-MsgGUID: lpQqp33xSWictc1aGCGRig== X-IronPort-AV: E=McAfee;i="6700,10204,11233"; a="33136138" X-IronPort-AV: E=Sophos;i="6.11,223,1725346800"; d="scan'208";a="33136138" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2024 18:13:16 -0700 X-CSE-ConnectionGUID: UO9l1QnoRGe9EpYixuXj/w== X-CSE-MsgGUID: U9IIGs2YQoi7rNYdIskzeg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,223,1725346800"; d="scan'208";a="117510587" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 22 Oct 2024 18:13:15 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t3Pw0-000UIE-2E; Wed, 23 Oct 2024 01:13:12 +0000 Date: Wed, 23 Oct 2024 09:12:20 +0800 From: kernel test robot To: Leon Romanovsky Cc: oe-kbuild-all@lists.linux.dev Subject: [leon-rdma:dma-split-wip 11/26] mm/hmm.c:642:17: error: 'struct device' has no member named 'dma_skip_sync' Message-ID: <202410230904.pPSwIFSx-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git dma-split-wip head: c651d2118e26e1ac43db75c53cc4b4a51c41984b commit: 8beafe484c79bce5de4807d390d93250449fecee [11/26] mm/hmm: generalize managing PFN and DMA lists config: i386-randconfig-141-20241023 (https://download.01.org/0day-ci/archive/20241023/202410230904.pPSwIFSx-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410230904.pPSwIFSx-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/202410230904.pPSwIFSx-lkp@intel.com/ All errors (new ones prefixed by >>): mm/hmm.c: In function 'hmm_map_alloc': >> mm/hmm.c:642:17: error: 'struct device' has no member named 'dma_skip_sync' 642 | if (!dev->dma_skip_sync || dma_addressing_limited(dev)) | ^~ vim +642 mm/hmm.c 618 619 /** 620 * hmm_map_alloc - Allocate HMM map structure 621 * @dev: device to allocate structure for 622 * @map: HMM map to allocate 623 * @nr_entries: number of entries in the map 624 * @dma_entry_size: size of the DMA entry in the map 625 * 626 * Allocate the HMM map structure and all the lists it contains. 627 * Return 0 on success, -ENOMEM on failure. 628 */ 629 int hmm_map_alloc(struct device *dev, struct hmm_map *map, size_t nr_entries, 630 size_t dma_entry_size) 631 { 632 bool use_iova; 633 634 if (!(nr_entries * PAGE_SIZE / dma_entry_size)) 635 return -EINVAL; 636 637 /* 638 * The HMM API violates our normal DMA buffer ownership rules and can't 639 * transfer buffer ownership. The dma_addressing_limited() check is a 640 * best approximation to ensure no swiotlb buffering happens. 641 */ > 642 if (!dev->dma_skip_sync || dma_addressing_limited(dev)) 643 return -EOPNOTSUPP; 644 645 map->dma_entry_size = dma_entry_size; 646 map->pfn_list = 647 kvcalloc(nr_entries, sizeof(*map->pfn_list), GFP_KERNEL); 648 if (!map->pfn_list) 649 return -ENOMEM; 650 651 use_iova = dma_iova_try_alloc(dev, &map->state, 0, 652 nr_entries * PAGE_SIZE); 653 if (!use_iova && dma_need_unmap(dev)) { 654 map->dma_list = kvcalloc(nr_entries, sizeof(*map->dma_list), 655 GFP_KERNEL); 656 if (!map->dma_list) 657 goto err_dma; 658 } 659 return 0; 660 661 err_dma: 662 kfree(map->pfn_list); 663 return -ENOMEM; 664 } 665 EXPORT_SYMBOL_GPL(hmm_map_alloc); 666 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki