[ardb:arm64-ro-page-tables-pkvm 34/57] kernel/poke.c:13:23: error: implicit declaration of function 'phys_to_virt'

[ardb:arm64-ro-page-tables-pkvm 34/57] kernel/poke.c:13:23: error: implicit declaration of function 'phys_to_virt'

[kernel test robot]

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tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-ro-page-tables-pkvm
head:   c5266cc8ebfbdcc7e1ea856a82beb017d0a4f611
commit: c75121a984d82981c73f4c7d3f0eb3c9c5b6ed4c [34/57] [DEBUG] poke: Add sysctl to poke abitrary PAs
config: riscv-randconfig-r015-20210226 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b889ef4214bc6dc8880fdd4badc0dcd9a3197753)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=c75121a984d82981c73f4c7d3f0eb3c9c5b6ed4c
        git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git
        git fetch --no-tags ardb arm64-ro-page-tables-pkvm
        git checkout c75121a984d82981c73f4c7d3f0eb3c9c5b6ed4c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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

All error/warnings (new ones prefixed by >>):

>> kernel/poke.c:13:23: error: implicit declaration of function 'phys_to_virt' [-Werror,-Wimplicit-function-declaration]
           unsigned long *ptr = phys_to_virt(phys);
                                ^
>> kernel/poke.c:13:17: warning: incompatible integer to pointer conversion initializing 'unsigned long *' with an expression of type 'int' [-Wint-conversion]
           unsigned long *ptr = phys_to_virt(phys);
                          ^     ~~~~~~~~~~~~~~~~~~
   kernel/poke.c:21:23: error: implicit declaration of function 'phys_to_virt' [-Werror,-Wimplicit-function-declaration]
           unsigned long *ptr = phys_to_virt(phys);
                                ^
   kernel/poke.c:21:17: warning: incompatible integer to pointer conversion initializing 'unsigned long *' with an expression of type 'int' [-Wint-conversion]
           unsigned long *ptr = phys_to_virt(phys);
                          ^     ~~~~~~~~~~~~~~~~~~
   2 warnings and 2 errors generated.


vim +/phys_to_virt +13 kernel/poke.c

    10	
    11	static ssize_t val_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
    12	{
  > 13		unsigned long *ptr = phys_to_virt(phys);
    14	
    15		return sprintf(buf, "0x%lx\n", *ptr);
    16	}
    17	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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[ardb:arm64-ro-page-tables-pkvm 34/57] kernel/poke.c:13:23: error: implicit declaration of function 'phys_to_virt'

[kernel test robot]

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Hi Quentin,

FYI, the error/warning still remains.

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-ro-page-tables-pkvm
head:   c5266cc8ebfbdcc7e1ea856a82beb017d0a4f611
commit: c75121a984d82981c73f4c7d3f0eb3c9c5b6ed4c [34/57] [DEBUG] poke: Add sysctl to poke abitrary PAs
config: s390-randconfig-r025-20210226 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b889ef4214bc6dc8880fdd4badc0dcd9a3197753)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=c75121a984d82981c73f4c7d3f0eb3c9c5b6ed4c
        git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git
        git fetch --no-tags ardb arm64-ro-page-tables-pkvm
        git checkout c75121a984d82981c73f4c7d3f0eb3c9c5b6ed4c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 

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

All error/warnings (new ones prefixed by >>):

>> kernel/poke.c:13:23: error: implicit declaration of function 'phys_to_virt' [-Werror,-Wimplicit-function-declaration]
           unsigned long *ptr = phys_to_virt(phys);
                                ^
>> kernel/poke.c:13:17: warning: incompatible integer to pointer conversion initializing 'unsigned long *' with an expression of type 'int' [-Wint-conversion]
           unsigned long *ptr = phys_to_virt(phys);
                          ^     ~~~~~~~~~~~~~~~~~~
   kernel/poke.c:21:23: error: implicit declaration of function 'phys_to_virt' [-Werror,-Wimplicit-function-declaration]
           unsigned long *ptr = phys_to_virt(phys);
                                ^
   kernel/poke.c:21:17: warning: incompatible integer to pointer conversion initializing 'unsigned long *' with an expression of type 'int' [-Wint-conversion]
           unsigned long *ptr = phys_to_virt(phys);
                          ^     ~~~~~~~~~~~~~~~~~~
   2 warnings and 2 errors generated.


vim +/phys_to_virt +13 kernel/poke.c

    10	
    11	static ssize_t val_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
    12	{
  > 13		unsigned long *ptr = phys_to_virt(phys);
    14	
    15		return sprintf(buf, "0x%lx\n", *ptr);
    16	}
    17	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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