[leon-rdma:rdma-next 19/27] drivers/vfio/vfio_main.c:1658: undefined reference to `interval_tree_iter_first'
From: kernel test robot
Date: Mon Jul 11 2022 - 11:24:40 EST
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@xxxxxxxxx/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@xxxxxxxxx>
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