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* [arm-integrator:kernel-in-vmalloc-v5.18-rc1 20/20] arch/arm64/include/asm/memory.h:311:9: error: call to undeclared function '__phys_to_pfn'; ISO C99 and later do not support implicit function declarations
@ 2022-05-31  3:55 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-31  3:55 UTC (permalink / raw)
  To: Linus Walleij; +Cc: llvm, kbuild-all, linux-kernel

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1
head:   eae5a86aafbe4bfbcb5c21b271073b014626a472
commit: eae5a86aafbe4bfbcb5c21b271073b014626a472 [20/20] arm64: memory: Make virt_to_pfn() a static inline
config: arm64-randconfig-r012-20220530 (https://download.01.org/0day-ci/archive/20220531/202205311114.5x4WyD2Y-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0776c48f9b7e69fa447bee57c7c0985caa856be9)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=eae5a86aafbe4bfbcb5c21b271073b014626a472
        git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
        git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.18-rc1
        git checkout eae5a86aafbe4bfbcb5c21b271073b014626a472
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:20:
   In file included from include/linux/sysfs.h:16:
   In file included from include/linux/kernfs.h:11:
   In file included from include/linux/mutex.h:17:
   In file included from include/linux/lockdep.h:14:
   In file included from include/linux/smp.h:110:
   In file included from include/linux/preempt.h:78:
   In file included from arch/arm64/include/asm/preempt.h:6:
   In file included from include/linux/thread_info.h:60:
   In file included from arch/arm64/include/asm/thread_info.h:17:
>> arch/arm64/include/asm/memory.h:311:9: error: call to undeclared function '__phys_to_pfn'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           return __phys_to_pfn(__virt_to_phys((unsigned long)(x)));
                  ^
>> arch/arm64/include/asm/memory.h:311:54: error: use of undeclared identifier 'x'
           return __phys_to_pfn(__virt_to_phys((unsigned long)(x)));
                                                               ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:15:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
                   return (set->sig[3] | set->sig[2] |
                           ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:15:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds]
                   return (set->sig[3] | set->sig[2] |
                                         ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:15:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:4: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds]
                           set->sig[1] | set->sig[0]) == 0;
                           ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:15:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:100:11: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds]
                   return (set->sig[1] | set->sig[0]) == 0;
                           ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:15:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
                   return  (set1->sig[3] == set2->sig[3]) &&
                            ^         ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here


vim +/__phys_to_pfn +311 arch/arm64/include/asm/memory.h

   308	
   309	static inline unsigned long virt_to_pfn(const void *p)
   310	{
 > 311		return __phys_to_pfn(__virt_to_phys((unsigned long)(x)));
   312	}
   313	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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2022-05-31  3:55 [arm-integrator:kernel-in-vmalloc-v5.18-rc1 20/20] arch/arm64/include/asm/memory.h:311:9: error: call to undeclared function '__phys_to_pfn'; ISO C99 and later do not support implicit function declarations kernel test robot

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