Hi Patrick, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on v5.18-rc2 next-20220412] [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] url: https://github.com/intel-lab-lkp/linux/commits/Patrick-Wang/of-fdt-do-not-reserve-memory-below-MIN_MEMBLOCK_ADDR/20220412-125309 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arm-buildonly-randconfig-r006-20220411 (https://download.01.org/0day-ci/archive/20220412/202204121637.4ZHpTqwT-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project fe2478d44e4f7f191c43fef629ac7a23d0251e72) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/d362274832c02bb7812c13eff968322a76f10ed3 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Patrick-Wang/of-fdt-do-not-reserve-memory-below-MIN_MEMBLOCK_ADDR/20220412-125309 git checkout d362274832c02bb7812c13eff968322a76f10ed3 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/of/fdt.c:494:4: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat] base, phys_offset); ^~~~ include/linux/printk.h:499:37: note: expanded from macro 'pr_warn' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:446:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:418:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for DRM_GEM_SHMEM_HELPER Depends on HAS_IOMEM && DRM && MMU Selected by - DRM_SSD130X && HAS_IOMEM && DRM vim +494 drivers/of/fdt.c 486 487 static int __init early_init_dt_reserve_memory_arch(phys_addr_t base, 488 phys_addr_t size, bool nomap) 489 { 490 const u64 phys_offset = MIN_MEMBLOCK_ADDR; 491 492 if (base < phys_offset) { 493 pr_warn("Ignoring reserved memory range 0x%llx - 0x%llx\n", > 494 base, phys_offset); 495 size = (phys_offset - base) < size ? 496 size - (phys_offset - base) : 0; 497 base = phys_offset; 498 499 if (!size) 500 return -EFAULT; 501 } 502 503 if (nomap) { 504 /* 505 * If the memory is already reserved (by another region), we 506 * should not allow it to be marked nomap, but don't worry 507 * if the region isn't memory as it won't be mapped. 508 */ 509 if (memblock_overlaps_region(&memblock.memory, base, size) && 510 memblock_is_region_reserved(base, size)) 511 return -EBUSY; 512 513 return memblock_mark_nomap(base, size); 514 } 515 return memblock_reserve(base, size); 516 } 517 -- 0-DAY CI Kernel Test Service https://01.org/lkp
