linux-kernel - [leon-rdma:rdma-next 19/27] drivers/vfio/vfio_main.c:1658: undefined reference to `interval_tree_iter

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Date:   Mon, 11 Jul 2022 23:23:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yishai Hadas <yishaih@...dia.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Leon Romanovsky <leon@...nel.org>
Subject: [leon-rdma:rdma-next 19/27] drivers/vfio/vfio_main.c:1658: undefined
 reference to `interval_tree_iter_first'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rdma-next
head:   325f0cb55fe7505ffc12020edf66e91f1bdbe021
commit: de08f6b555c0b4687890265b2f2358f69f28512a [19/27] vfio: Introduce the DMA logging feature support
config: arm-randconfig-r035-20220710 (https://download.01.org/0day-ci/archive/20220711/202207112304.RBht9L6V-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/commit/?id=de08f6b555c0b4687890265b2f2358f69f28512a
        git remote add leon-rdma https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git
        git fetch --no-tags leon-rdma rdma-next
        git checkout de08f6b555c0b4687890265b2f2358f69f28512a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/vfio/vfio_main.o: in function `vfio_ioctl_device_feature_logging_start':
>> drivers/vfio/vfio_main.c:1658: undefined reference to `interval_tree_iter_first'
>> arm-linux-gnueabi-ld: drivers/vfio/vfio_main.c:1664: undefined reference to `interval_tree_insert'


vim +1658 drivers/vfio/vfio_main.c

  1607	
  1608	static int
  1609	vfio_ioctl_device_feature_logging_start(struct vfio_device *device,
  1610						u32 flags, void __user *arg,
  1611						size_t argsz)
  1612	{
  1613		size_t minsz =
  1614			offsetofend(struct vfio_device_feature_dma_logging_control,
  1615				    ranges);
  1616		struct vfio_device_feature_dma_logging_range __user *ranges;
  1617		struct vfio_device_feature_dma_logging_control control;
  1618		struct vfio_device_feature_dma_logging_range range;
  1619		struct rb_root_cached root = RB_ROOT_CACHED;
  1620		struct interval_tree_node *nodes;
  1621		u32 nnodes;
  1622		int i, ret;
  1623	
  1624		if (!device->log_ops)
  1625			return -ENOTTY;
  1626	
  1627		ret = vfio_check_feature(flags, argsz,
  1628					 VFIO_DEVICE_FEATURE_SET,
  1629					 sizeof(control));
  1630		if (ret != 1)
  1631			return ret;
  1632	
  1633		if (copy_from_user(&control, arg, minsz))
  1634			return -EFAULT;
  1635	
  1636		nnodes = control.num_ranges;
  1637		if (!nnodes || nnodes > LOG_MAX_RANGES)
  1638			return -EINVAL;
  1639	
  1640		ranges = u64_to_user_ptr(control.ranges);
  1641		nodes = kmalloc_array(nnodes, sizeof(struct interval_tree_node),
  1642				      GFP_KERNEL);
  1643		if (!nodes)
  1644			return -ENOMEM;
  1645	
  1646		for (i = 0; i < nnodes; i++) {
  1647			if (copy_from_user(&range, &ranges[i], sizeof(range))) {
  1648				ret = -EFAULT;
  1649				goto end;
  1650			}
  1651			if (!IS_ALIGNED(range.iova, control.page_size) ||
  1652			    !IS_ALIGNED(range.length, control.page_size)) {
  1653				ret = -EINVAL;
  1654				goto end;
  1655			}
  1656			nodes[i].start = range.iova;
  1657			nodes[i].last = range.iova + range.length - 1;
> 1658			if (interval_tree_iter_first(&root, nodes[i].start,
  1659						     nodes[i].last)) {
  1660				/* Range overlapping */
  1661				ret = -EINVAL;
  1662				goto end;
  1663			}
> 1664			interval_tree_insert(nodes + i, &root);
  1665		}
  1666	
  1667		ret = device->log_ops->log_start(device, &root, nnodes,
  1668						 &control.page_size);
  1669		if (ret)
  1670			goto end;
  1671	
  1672		if (copy_to_user(arg, &control, sizeof(control))) {
  1673			ret = -EFAULT;
  1674			device->log_ops->log_stop(device);
  1675		}
  1676	
  1677	end:
  1678		kfree(nodes);
  1679		return ret;
  1680	}
  1681	

-- 
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https://01.org/lkp