[kbuild-all] rmem.c:undefined reference to `memremap'

Hi Nicolas, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 commit: 5a3fa75a4d9cb6bcfc9081ef224a4cdcd4b3eafe nvmem: Add driver to expose reserved memory as nvmem date: 6 weeks ago config: s390-randconfig-r022-20210315 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a28facba1ccdc957f386b7753f4958307f1bfde8) 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 # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 5a3fa75a4d9cb6bcfc9081ef224a4cdcd4b3eafe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): s390x-linux-gnu-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory': coherent.c:(.text+0xa4): undefined reference to `memunmap' s390x-linux-gnu-ld: kernel/dma/coherent.o: in function `dma_init_coherent_memory': coherent.c:(.text+0x134): undefined reference to `memremap' s390x-linux-gnu-ld: coherent.c:(.text+0x240): undefined reference to `memunmap' s390x-linux-gnu-ld: drivers/dma/altera-msgdma.o: in function `request_and_map': altera-msgdma.c:(.text+0x584): undefined reference to `devm_ioremap' s390x-linux-gnu-ld: drivers/dma/dw/platform.o: in function `dw_probe': platform.c:(.text+0xa2): undefined reference to `devm_platform_ioremap_resource' s390x-linux-gnu-ld: drivers/dma/fsl-edma.o: in function `fsl_edma_probe': fsl-edma.c:(.text+0xe4): undefined reference to `devm_ioremap_resource' s390x-linux-gnu-ld: fsl-edma.c:(.text+0x234): undefined reference to `devm_ioremap_resource' s390x-linux-gnu-ld: drivers/dma/sf-pdma/sf-pdma.o: in function `sf_pdma_probe': sf-pdma.c:(.text+0x60): undefined reference to `devm_ioremap_resource' s390x-linux-gnu-ld: drivers/dma/xilinx/xilinx_dpdma.o: in function `xilinx_dpdma_probe': xilinx_dpdma.c:(.text+0x86): undefined reference to `devm_platform_ioremap_resource' s390x-linux-gnu-ld: drivers/char/xillybus/xillybus_of.o: in function `xilly_drv_probe': xillybus_of.c:(.text+0x72): undefined reference to `devm_platform_ioremap_resource' s390x-linux-gnu-ld: drivers/net/ethernet/xilinx/ll_temac_main.o: in function `temac_probe': ll_temac_main.c:(.text+0x5e6): undefined reference to `devm_platform_ioremap_resource_byname' s390x-linux-gnu-ld: ll_temac_main.c:(.text+0x898): undefined reference to `devm_of_iomap' s390x-linux-gnu-ld: ll_temac_main.c:(.text+0x8fa): undefined reference to `devm_platform_ioremap_resource' s390x-linux-gnu-ld: drivers/net/ethernet/xilinx/ll_temac_mdio.o: in function `temac_mdio_setup': ll_temac_mdio.c:(.text+0x196): undefined reference to `of_address_to_resource' s390x-linux-gnu-ld: drivers/crypto/ccree/cc_driver.o: in function `ccree_probe': cc_driver.c:(.text+0x3b0): undefined reference to `devm_ioremap_resource' s390x-linux-gnu-ld: drivers/crypto/ccree/cc_debugfs.o: in function `cc_debugfs_init': cc_debugfs.c:(.text+0x94): undefined reference to `debugfs_create_regset32' s390x-linux-gnu-ld: cc_debugfs.c:(.text+0x16c): undefined reference to `debugfs_create_regset32' s390x-linux-gnu-ld: drivers/nvmem/rmem.o: in function `rmem_read': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org