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Re: [PATCH] uapi elf: delete unused macros

From kbuild test robot <lkp@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] uapi elf: delete unused macros
Date 2015-11-05 18:10 +0100
Message-ID <qrwcW-15C-3@gated-at.bofh.it> (permalink)
References <qruXv-6f-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi mudongliang,

[auto build test ERROR on: powerpc/next]
[also build test ERROR on: v4.3 next-20151105]

url:    https://github.com/0day-ci/linux/commits/mudongliang/uapi-elf-delete-unused-macros/20151105-234433
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: sparc64-defconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   In file included from arch/sparc/include/asm/elf.h:4:0,
                    from include/linux/elf.h:4,
                    from fs/proc/kcore.c:17:
   fs/proc/kcore.c: In function 'elf_kcore_store_hdr':
>> arch/sparc/include/asm/elf_64.h:106:19: error: 'ELFDATA2MSB' undeclared (first use in this function)
    #define ELF_DATA  ELFDATA2MSB
                      ^
   fs/proc/kcore.c:335:26: note: in expansion of macro 'ELF_DATA'
     elf->e_ident[EI_DATA] = ELF_DATA;
                             ^
   arch/sparc/include/asm/elf_64.h:106:19: note: each undeclared identifier is reported only once for each function it appears in
    #define ELF_DATA  ELFDATA2MSB
                      ^
   fs/proc/kcore.c:335:26: note: in expansion of macro 'ELF_DATA'
     elf->e_ident[EI_DATA] = ELF_DATA;
                             ^

vim +/ELFDATA2MSB +106 arch/sparc/include/asm/elf_64.h

6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   90  #define AV_SPARC_CBCOND		0x02000000 /* CBCOND insns available */
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   91  
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   92  /* Solaris decided to enumerate every single crypto instruction type
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   93   * in the AT_HWCAP bits.  This is wasteful, since if crypto is present,
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   94   * you still need to look in the CFR register to see if the opcode is
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   95   * really available.  So we simply advertise only "crypto" support.
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   96   */
6f859c0e arch/sparc/include/asm/elf_64.h David S. Miller 2012-08-16   97  #define HWCAP_SPARC_CRYPTO	0x04000000 /* CRYPTO insns available */
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17   98  
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17   99  #define CORE_DUMP_USE_REGSET
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  100  
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  101  /*
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  102   * These are used to set parameters in the core dumps.
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  103   */
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  104  #define ELF_ARCH		EM_SPARCV9
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  105  #define ELF_CLASS		ELFCLASS64
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17 @106  #define ELF_DATA		ELFDATA2MSB
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  107  
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  108  /* Format of 64-bit elf_gregset_t is:
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  109   * 	G0 --> G7
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  110   * 	O0 --> O7
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  111   * 	L0 --> L7
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  112   * 	I0 --> I7
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  113   *	TSTATE
f5e706ad include/asm-sparc/elf_64.h      Sam Ravnborg    2008-07-17  114   *	TPC

:::::: The code at line 106 was first introduced by commit
:::::: f5e706ad886b6a5eb59637830110b09ccebf01c5 sparc: join the remaining header files

:::::: TO: Sam Ravnborg <sam@ravnborg.org>
:::::: CC: David S. Miller <davem@davemloft.net>

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

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[PATCH] uapi elf: delete unused macros mudongliang <mudongliangabcd@gmail.com> - 2015-11-05 16:50 +0100
  Re: [PATCH] uapi elf: delete unused macros kbuild test robot <lkp@intel.com> - 2015-11-05 17:30 +0100
  Re: [PATCH] uapi elf: delete unused macros kbuild test robot <lkp@intel.com> - 2015-11-05 17:50 +0100
  Re: [PATCH] uapi elf: delete unused macros kbuild test robot <lkp@intel.com> - 2015-11-05 18:10 +0100

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