Re: [PATCHv2 14/14] treewide: Decouple cacheflush.h and set_memory.h

[kbuild test robot <lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

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Hi Laura,

[auto build test ERROR on linus/master]
[also build test ERROR on next-20170303]
[cannot apply to tip/x86/core drm/drm-next v4.10]
[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/Laura-Abbott/set_memory_-functions-header-refactor/20170305-062939
config: i386-randconfig-x014-201710 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   arch/x86/kernel/machine_kexec_32.c: In function 'machine_kexec_prepare':
>> arch/x86/kernel/machine_kexec_32.c:160:2: error: implicit declaration of function 'set_pages_x' [-Werror=implicit-function-declaration]
     set_pages_x(image->control_code_page, 1);
     ^~~~~~~~~~~
   arch/x86/kernel/machine_kexec_32.c: In function 'machine_kexec_cleanup':
>> arch/x86/kernel/machine_kexec_32.c:174:2: error: implicit declaration of function 'set_pages_nx' [-Werror=implicit-function-declaration]
     set_pages_nx(image->control_code_page, 1);
     ^~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   arch/x86/mm/init_32.c: In function 'set_kernel_text_rw':
>> arch/x86/mm/init_32.c:880:2: error: implicit declaration of function 'set_pages_rw' [-Werror=implicit-function-declaration]
     set_pages_rw(virt_to_page(start), size >> PAGE_SHIFT);
     ^~~~~~~~~~~~
   arch/x86/mm/init_32.c: In function 'set_kernel_text_ro':
>> arch/x86/mm/init_32.c:894:2: error: implicit declaration of function 'set_pages_ro' [-Werror=implicit-function-declaration]
     set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
     ^~~~~~~~~~~~
   arch/x86/mm/init_32.c: In function 'mark_nxdata_nx':
>> arch/x86/mm/init_32.c:911:2: error: implicit declaration of function 'set_pages_nx' [-Werror=implicit-function-declaration]
     set_pages_nx(virt_to_page(start), size >> PAGE_SHIFT);
     ^~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/set_pages_x +160 arch/x86/kernel/machine_kexec_32.c

9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  154   * - Setup page tables
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  155   */
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  156  int machine_kexec_prepare(struct kimage *image)
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  157  {
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  158  	int error;
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  159  
3ab83521 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-07-25 @160  	set_pages_x(image->control_code_page, 1);
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  161  	error = machine_kexec_alloc_page_tables(image);
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  162  	if (error)
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  163  		return error;
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  164  	machine_kexec_prepare_page_tables(image);
9868ee63 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  165  	return 0;
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  166  }
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  167  
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  168  /*
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  169   * Undo anything leftover by machine_kexec_prepare
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  170   * when an image is freed.
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  171   */
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  172  void machine_kexec_cleanup(struct kimage *image)
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  173  {
3ab83521 arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-07-25 @174  	set_pages_nx(image->control_code_page, 1);
92be3d6b arch/x86/kernel/machine_kexec_32.c Huang Ying        2008-10-31  175  	machine_kexec_free_page_tables(image);
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  176  }
5033cba0 arch/i386/kernel/machine_kexec.c   Eric W. Biederman 2005-06-25  177  

:::::: The code at line 160 was first introduced by commit
:::::: 3ab83521378268044a448113c6aa9a9e245f4d2f kexec jump

:::::: TO: Huang Ying <ying.huang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
:::::: CC: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>

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0-DAY kernel test infrastructure                Open Source Technology Center
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