[PATCH v1 1/8] powerpc/lib/code-patching: Enhance code patching

[kbuild test robot]

Hi Balbir,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.12-rc2 next-20170525]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Balbir-Singh/Enable-STRICT_KERNEL_RWX/20170525-150234
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/lib/code-patching.c: In function 'kernel_map_addr':
>> arch/powerpc/lib/code-patching.c:57:8: error: implicit declaration of function 'map_kernel_page' [-Werror=implicit-function-declaration]
     err = map_kernel_page((unsigned long)text_poke_area->addr,
           ^~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +/map_kernel_page +57 arch/powerpc/lib/code-patching.c

    51	
    52		if (is_vmalloc_addr(addr))
    53			pfn = vmalloc_to_pfn(addr);
    54		else
    55			pfn = __pa_symbol(addr) >> PAGE_SHIFT;
    56	
  > 57		err = map_kernel_page((unsigned long)text_poke_area->addr,
    58				(pfn << PAGE_SHIFT), _PAGE_KERNEL_RW | _PAGE_PRESENT);
    59		pr_devel("Mapped addr %p with pfn %lx\n", text_poke_area->addr, pfn);
    60		if (err)

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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