Hi Paul, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus lwn/docs-next linus/master v6.7 next-20240119] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Paul-Cercueil/usb-gadget-Support-already-mapped-DMA-SGs/20240117-203111 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20240117122646.41616-4-paul%40crapouillou.net patch subject: [PATCH v4 3/4] usb: gadget: functionfs: Add DMABUF import interface config: arm-randconfig-r112-20240119 (https://download.01.org/0day-ci/archive/20240119/202401192043.6DTnLlKn-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce: (https://download.01.org/0day-ci/archive/20240119/202401192043.6DTnLlKn-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401192043.6DTnLlKn-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: dma_buf_get >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_buf_detach >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced 2 more times -- >> ld.lld: error: undefined symbol: dma_fence_init >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_resv_add_fence >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_fence_signal >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_dmabuf_io_complete) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_dmabuf_signal_done) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_fence_release >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(dma_fence_put) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_dmabuf_unmap_work) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_buf_put >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced 2 more times -- >> ld.lld: error: undefined symbol: dma_buf_attach >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_fence_context_alloc >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_resv_test_signaled >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: dma_buf_map_attachment >>> referenced by f_fs.c >>> drivers/usb/gadget/function/f_fs.o:(ffs_epfile_ioctl) in archive vmlinux.a .. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
