[arm-integrator:kernel-in-vmalloc-v5.19-rc1 25/35] 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 *)'}

From: kernel test robot
Date: Fri Jul 15 2022 - 11:49:36 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.19-rc1
head: 144435741b0a6f31403d3084103678da3b4f9d11
commit: f9b8d36b54a1776051d8adb548924d14cbe57535 [25/35] MIPS: Make virt_to_pfn() a static inline
config: mips-bigsur_defconfig (https://download.01.org/0day-ci/archive/20220715/202207152323.Zu5bzaHS-lkp@xxxxxxxxx/config)
compiler: mips64-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=f9b8d36b54a1776051d8adb548924d14cbe57535
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-v5.19-rc1
git checkout f9b8d36b54a1776051d8adb548924d14cbe57535
# 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 <lkp@xxxxxxxxx>

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:240:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
240 | void output_sc_defines(void)
| ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:253:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
253 | void output_signal_defined(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:346:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
346 | void output_kvm_defines(void)
| ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target 'missing-syscalls' not remade because of errors.
make[1]: *** [arch/mips/Makefile:408: archprepare] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __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 <f.fainelli@xxxxxxxxx>
:::::: CC: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>

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