linux-kernel - Re: [PATCH -tip v8 3/4] irq: Make irqentry text section unconditional

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Date:   Thu, 3 Aug 2017 03:11:50 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     kbuild-all@...org, Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Francis Deslauriers <francis.deslauriers@...icios.com>,
        mathieu.desnoyers@...icios.com, Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Ananth N Mavinakayanahalli <ananth@...ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: Re: [PATCH -tip v8 3/4] irq: Make irqentry text section unconditional

Hi Masami,

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.13-rc3 next-20170802]
[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/Masami-Hiramatsu/kprobes-related-bugfix/20170731-031202
config: cris-etraxfs_defconfig (attached as .config)
compiler: cris-linux-gcc (GCC) 6.2.0
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=cris 

All errors (new ones prefixed by >>):

>> arch/cris/arch-v32/mach-fs/arbiter.c:161:13: error: conflicting types for '_stext'
    extern char _stext, _etext;
                ^~~~~~
   In file included from ./arch/cris/include/generated/asm/sections.h:1:0,
                    from include/linux/interrupt.h:21,
                    from arch/cris/arch-v32/mach-fs/arbiter.c:17:
   include/asm-generic/sections.h:33:22: note: previous declaration of '_stext' was here
    extern char _text[], _stext[], _etext[];
                         ^~~~~~
>> arch/cris/arch-v32/mach-fs/arbiter.c:161:21: error: conflicting types for '_etext'
    extern char _stext, _etext;
                        ^~~~~~
   In file included from ./arch/cris/include/generated/asm/sections.h:1:0,
                    from include/linux/interrupt.h:21,
                    from arch/cris/arch-v32/mach-fs/arbiter.c:17:
   include/asm-generic/sections.h:33:32: note: previous declaration of '_etext' was here
    extern char _text[], _stext[], _etext[];
                                   ^~~~~~

vim +/_stext +161 arch/cris/arch-v32/mach-fs/arbiter.c

035e111f Jesper Nilsson 2007-11-29  160  
035e111f Jesper Nilsson 2007-11-29 @161  extern char _stext, _etext;
035e111f Jesper Nilsson 2007-11-29  162  

:::::: The code at line 161 was first introduced by commit
:::::: 035e111f9a9b29843bc899f03d56f19d94bebb53 CRIS v32: Add new machine dependent files for Etrax-FS and Artpec-3.

:::::: TO: Jesper Nilsson <jespern@...rk.se.axis.com>
:::::: CC: Jesper Nilsson <jesper.nilsson@...s.com>

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

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