Messages in this thread | | | Date | Thu, 31 Mar 2022 18:16:07 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:google/android/kernel/common/android12-trusty-5.10 1060/5872] arch/arm64/mm/mmu.c:1499:5: warning: no previous prototype for 'check_range_driver_managed' |
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Hi Sudarshan,
FYI, the error/warning still remains.
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-trusty-5.10 head: 07055bfd3d810d41a38354693dfaa55a6f8c0025 commit: 1b4aca7d82ae9b40145484fa09ceab38a6a06062 [1060/5872] ANDROID: arm64/mm: implement {populate/depopulate}_range_driver_managed config: arm64-buildonly-randconfig-r005-20220331 (https://download.01.org/0day-ci/archive/20220331/202203311842.wFWvHrHn-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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://github.com/ammarfaizi2/linux-block/commit/1b4aca7d82ae9b40145484fa09ceab38a6a06062 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-trusty-5.10 git checkout 1b4aca7d82ae9b40145484fa09ceab38a6a06062 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/mm/ drivers/gpu/drm/hisilicon/kirin/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/mm/mmu.c:1499:5: warning: no previous prototype for 'check_range_driver_managed' [-Wmissing-prototypes] 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:5:25: 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:11:25: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:343:16: note: in expansion of macro 'KERN_ERR' 343 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ arch/arm64/mm/mmu.c:1509:17: note: in expansion of macro 'pr_err' 1509 | pr_err("%s: couldn't find memory resource for start 0x%lx\n", | ^~~~~~
vim +/check_range_driver_managed +1499 arch/arm64/mm/mmu.c
1498 > 1499 int check_range_driver_managed(u64 start, u64 size, const char *resource_name) 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 https://01.org/lkp
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