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Date: Fri, 3 Jun 2022 01:58:17 +0800
From: kernel test robot <lkp@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [arm-integrator:kernel-in-vmalloc-v5.18-rc1 23/31]
arch/mips/include/asm/page.h:263:33: error: call to undeclared function
'virt_to_phys'; ISO C99 and later do not support implicit function
declarations
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1
head: 8e0ac1b6b44d1c62420ad92b2a1cbc106a00f3de
commit: e299c342a63c14e1e2a0971b0726c90e298431ff [23/31] MIPS: Make virt_to_pfn() a static inline
config: mips-randconfig-r022-20220531 (https://download.01.org/0day-ci/archive/20220603/202206030149.i9E92Rg0-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
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 mips cross compiling tool for clang build
# apt-get install binutils-mipsel-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=e299c342a63c14e1e2a0971b0726c90e298431ff
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 e299c342a63c14e1e2a0971b0726c90e298431ff
# 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=mips prepare
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:5:
In file included from include/linux/spinlock.h:64:
In file included from arch/mips/include/asm/mmiowb.h:5:
In file included from arch/mips/include/asm/io.h:29:
>> arch/mips/include/asm/page.h:263:33: error: call to undeclared function 'virt_to_phys'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return (unsigned long)PFN_DOWN(virt_to_phys(kaddr));
^
arch/mips/include/asm/page.h:263:33: note: did you mean 'virt_to_pfn'?
arch/mips/include/asm/page.h:256:29: note: 'virt_to_pfn' declared here
static inline unsigned long virt_to_pfn(const void *kaddr)
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:5:
In file included from include/linux/spinlock.h:64:
In file included from arch/mips/include/asm/mmiowb.h:5:
>> arch/mips/include/asm/io.h:115:27: error: static declaration of 'virt_to_phys' follows non-static declaration
static inline phys_addr_t virt_to_phys(const volatile void *x)
^
arch/mips/include/asm/io.h:114:22: note: expanded from macro 'virt_to_phys'
#define virt_to_phys virt_to_phys
^
arch/mips/include/asm/page.h:263:33: note: previous implicit declaration is here
return (unsigned long)PFN_DOWN(virt_to_phys(kaddr));
^
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for function 'output_ptreg_defines' [-Wmissing-prototypes]
void output_ptreg_defines(void)
^
arch/mips/kernel/asm-offsets.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_ptreg_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for function 'output_task_defines' [-Wmissing-prototypes]
void output_task_defines(void)
^
arch/mips/kernel/asm-offsets.c:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_task_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for function 'output_thread_info_defines' [-Wmissing-prototypes]
void output_thread_info_defines(void)
^
arch/mips/kernel/asm-offsets.c:92:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_info_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for function 'output_thread_defines' [-Wmissing-prototypes]
void output_thread_defines(void)
^
arch/mips/kernel/asm-offsets.c:108:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for function 'output_thread_fpu_defines' [-Wmissing-prototypes]
void output_thread_fpu_defines(void)
^
arch/mips/kernel/asm-offsets.c:136:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_fpu_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for function 'output_mm_defines' [-Wmissing-prototypes]
void output_mm_defines(void)
^
arch/mips/kernel/asm-offsets.c:179:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_mm_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:218:6: warning: no previous prototype for function 'output_sc_defines' [-Wmissing-prototypes]
void output_sc_defines(void)
^
arch/mips/kernel/asm-offsets.c:218:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_sc_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:253:6: warning: no previous prototype for function 'output_signal_defined' [-Wmissing-prototypes]
void output_signal_defined(void)
^
arch/mips/kernel/asm-offsets.c:253:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_signal_defined(void)
^
static
arch/mips/kernel/asm-offsets.c:332:6: warning: no previous prototype for function 'output_pm_defines' [-Wmissing-prototypes]
void output_pm_defines(void)
^
arch/mips/kernel/asm-offsets.c:332:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_pm_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:346:6: warning: no previous prototype for function 'output_kvm_defines' [-Wmissing-prototypes]
void output_kvm_defines(void)
^
arch/mips/kernel/asm-offsets.c:346:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_kvm_defines(void)
^
static
10 warnings and 2 errors generated.
make[2]: *** [scripts/Makefile.build:120: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1194: prepare0] 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 +/virt_to_phys +263 arch/mips/include/asm/page.h
255
256 static inline unsigned long virt_to_pfn(const void *kaddr)
257 {
258 /*
259 * MIPS virt_to_phys() returns a phys_addr_t which is
260 * an unsigned int on MIPS, but the interface expects
261 * unsigned long.
262 */
> 263 return (unsigned long)PFN_DOWN(virt_to_phys(kaddr));
264 }
265 #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
266
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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