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

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Date:   Thu, 3 Aug 2017 11:16:53 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     kbuild test robot <lkp@...el.com>
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,
        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

On Thu, 3 Aug 2017 01:35:11 +0800
kbuild test robot <lkp@...el.com> wrote:

> 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-artpec_3_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-a3/arbiter.c:230:13: 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-a3/arbiter.c:44:
>    include/asm-generic/sections.h:33:22: note: previous declaration of '_stext' was here
>     extern char _text[], _stext[], _etext[];
>                          ^~~~~~
> >> arch/cris/arch-v32/mach-a3/arbiter.c:230:21: 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-a3/arbiter.c:44:
>    include/asm-generic/sections.h:33:32: note: previous declaration of '_etext' was here
>     extern char _text[], _stext[], _etext[];
>                                    ^~~~~~

OK, I'll add a fix for cris.

Thanks,

> 
> vim +/_stext +230 arch/cris/arch-v32/mach-a3/arbiter.c
> 
> 035e111f Jesper Nilsson 2007-11-29  229  
> 035e111f Jesper Nilsson 2007-11-29 @230  extern char _stext, _etext;
> 035e111f Jesper Nilsson 2007-11-29  231  
> 
> :::::: The code at line 230 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


-- 
Masami Hiramatsu <mhiramat@...nel.org>