tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git virt-to-pfn-v6.1-rc1 head: 1991cddd20a7836e10b20ed128b2e7b80cd42eef commit: 356dd000d1fd64c1684d641be37ea800868d8586 [15/20] MIPS: Make virt_to_pfn() a static inline config: mips-randconfig-r015-20221019 compiler: mips64el-linux-gcc (GCC) 12.1.0 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://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=356dd000d1fd64c1684d641be37ea800868d8586 git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git git fetch --no-tags arm-integrator virt-to-pfn-v6.1-rc1 git checkout 356dd000d1fd64c1684d641be37ea800868d8586 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/mips/include/asm/page.h:73, from arch/mips/include/asm/io.h:29, from include/linux/io.h:13, from arch/mips/include/asm/mips-cps.h:11, from arch/mips/include/asm/smp-ops.h:16, from arch/mips/include/asm/smp.h:21, from include/linux/smp.h:113, from arch/mips/include/asm/cpu-type.h:12, from arch/mips/include/asm/timex.h:19, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/compat.h:10, from arch/mips/kernel/asm-offsets.c:12: arch/mips/include/asm/page.h: In function 'virt_to_pfn': arch/mips/include/asm/page.h:262:40: error: implicit declaration of function 'virt_to_phys'; did you mean 'virt_to_pfn'? [-Werror=implicit-function-declaration] 262 | return (unsigned long)PFN_DOWN(virt_to_phys(kaddr)); | ^~~~~~~~~~~~ include/linux/pfn.h:20:27: note: in definition of macro 'PFN_DOWN' 20 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) | ^ arch/mips/include/asm/io.h: At top level: >> arch/mips/include/asm/io.h:114:27: error: conflicting types for 'virt_to_phys'; have 'phys_addr_t(const volatile void *)' {aka 'long long unsigned int(const volatile void *)'} 114 | static inline phys_addr_t virt_to_phys(const volatile void *x) | ^~~~~~~~~~~~ arch/mips/include/asm/page.h:262:40: note: previous implicit declaration of 'virt_to_phys' with type 'int()' 262 | return (unsigned long)PFN_DOWN(virt_to_phys(kaddr)); | ^~~~~~~~~~~~ include/linux/pfn.h:20:27: note: in definition of macro 'PFN_DOWN' 20 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) | ^ arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] 26 | void output_ptreg_defines(void) | ^~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] 78 | void output_task_defines(void) | ^~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] 92 | void output_thread_info_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] 108 | void output_thread_defines(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] 136 | void output_thread_fpu_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] 179 | void output_mm_defines(void) | ^~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:235:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] 235 | void output_sc_defines(void) | ^~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:248:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes] 248 | void output_signal_defined(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:327:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes] 327 | void output_pm_defines(void) | ^~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:341:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] 341 | void output_kvm_defines(void) | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:118: arch/mips/kernel/asm-offsets.s] Error 1 make[2]: Target 'missing-syscalls' not remade because of errors. make[1]: *** [arch/mips/Makefile:405: archprepare] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:231: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +114 arch/mips/include/asm/io.h dfad83cb7193ef Florian Fainelli 2021-03-30 113 dfad83cb7193ef Florian Fainelli 2021-03-30 @114 static inline phys_addr_t virt_to_phys(const volatile void *x) dfad83cb7193ef Florian Fainelli 2021-03-30 115 { dfad83cb7193ef Florian Fainelli 2021-03-30 116 return __virt_to_phys(x); dfad83cb7193ef Florian Fainelli 2021-03-30 117 } dfad83cb7193ef Florian Fainelli 2021-03-30 118 :::::: The code at line 114 was first introduced by commit :::::: dfad83cb7193effb6c853a5c7337ac2274a2e2fc MIPS: Add support for CONFIG_DEBUG_VIRTUAL :::::: TO: Florian Fainelli :::::: CC: Thomas Bogendoerfer -- 0-DAY CI Kernel Test Service https://01.org/lkp