tree: https://android.googlesource.com/kernel/common android12-5.10 head: d015c6200384c0d99457f71c8f11eac85decbfb5 commit: 1b4aca7d82ae9b40145484fa09ceab38a6a06062 [1/2] ANDROID: arm64/mm: implement {populate/depopulate}_range_driver_managed config: arm64-randconfig-r016-20210112 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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 git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10 git checkout 1b4aca7d82ae9b40145484fa09ceab38a6a06062 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): arch/arm64/mm/mmu.c: In function 'map_kernel': arch/arm64/mm/mmu.c:689:10: warning: variable 'bm_pudp' set but not used [-Wunused-but-set-variable] 689 | pud_t *bm_pudp; | ^~~~~~~ arch/arm64/mm/mmu.c: At top level: 1499 | int check_range_driver_managed(u64 start, u64 size, const char *resource_name) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/printk.h:7, from include/linux/kernel.h:16, from arch/arm64/mm/mmu.c:11: arch/arm64/mm/mmu.c: In function 'check_range_driver_managed': include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'u64' {aka 'long long unsigned int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:343:9: note: in expansion of macro 'KERN_ERR' 343 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ arch/arm64/mm/mmu.c:1509:3: note: in expansion of macro 'pr_err' 1509 | pr_err("%s: couldn't find memory resource for start 0x%lx\n", | ^~~~~~ arch/arm64/mm/mmu.c:1509:59: note: format string is defined here 1509 | pr_err("%s: couldn't find memory resource for start 0x%lx\n", | ~~^ | | | long unsigned int | %llx vim +/check_range_driver_managed +1499 arch/arm64/mm/mmu.c 1498 1500 { 1501 struct mem_section *ms; 1502 unsigned long pfn = __phys_to_pfn(start); 1503 unsigned long end_pfn = __phys_to_pfn(start + size); 1504 struct resource *res; 1505 unsigned long flags; 1506 1507 res = lookup_resource(&iomem_resource, start); 1508 if (!res) { 1509 pr_err("%s: couldn't find memory resource for start 0x%lx\n", 1510 __func__, start); 1511 return -EINVAL; 1512 } 1513 1514 flags = res->flags; 1515 1516 if (!(flags & IORESOURCE_SYSRAM_DRIVER_MANAGED) || 1517 strstr(resource_name, "System RAM (") != resource_name) 1518 return -EINVAL; 1519 1520 for (; pfn < end_pfn; pfn += PAGES_PER_SECTION) { 1521 ms = __pfn_to_section(pfn); 1522 if (early_section(ms)) 1523 return -EINVAL; 1524 } 1525 1526 return 0; 1527 } 1528 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org