linux-kernel - Re: [PATCH v3 2/3] compiler.h: Allow arch-specific overrides

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Message-ID: <201804180342.6jrQJ6v3%fengguang.wu@intel.com>
Date:   Wed, 18 Apr 2018 03:19:47 +0800
From:   kbuild test robot <lkp@...el.com>
To:     James Hogan <jhogan@...nel.org>
Cc:     kbuild-all@...org, linux-mips@...ux-mips.org,
        Arnd Bergmann <arnd@...db.de>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>, linux-alpha@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        James Hogan <jhogan@...nel.org>,
        Paul Burton <paul.burton@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>
Subject: Re: [PATCH v3 2/3] compiler.h: Allow arch-specific overrides

Hi Paul,

I love your patch! Yet something to improve:

[auto build test ERROR on ]

url:    https://github.com/0day-ci/linux/commits/James-Hogan/MIPS-Override-barrier_before_unreachable-to-fix-microMIPS/20180418-025742
base:    
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from ./arch/x86/include/generated/asm/compiler.h:1:0,
                    from include/linux/compiler_types.h:58,
                    from <command-line>:0:
>> include/asm-generic/compiler.h:2:2: error: #error "Please don't include <asm/compiler.h> directly, include <linux/compiler.h> instead."
    #error "Please don't include <asm/compiler.h> directly, include <linux/compiler.h> instead."
     ^~~~~
   make[2]: *** [kernel/bounds.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +2 include/asm-generic/compiler.h

   > 2	#error "Please don't include <asm/compiler.h> directly, include <linux/compiler.h> instead."
     3	#endif
     4	

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