linux-kernel - Re: [PATCH 1/4] Add BUG

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Date:	Tue, 2 Feb 2016 04:27:06 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Jeffrey Merkey <jeffmerkey@...il.com>
Cc:	kbuild-all@...org, hpa@...or.com, jeffmerkey@...il.com,
	linux-kernel@...r.kernel.org, mingo@...hat.com, tglx@...utronix.de,
	x86@...nel.org
Subject: Re: [PATCH 1/4] Add BUG_XX() debugging options

Hi Jeffrey,

[auto build test WARNING on v4.5-rc2]
[also build test WARNING on next-20160201]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Jeffrey-Merkey/Add-BUG_XX-debugging-options/20160202-040506
config: x86_64-randconfig-x012-201605 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from include/linux/bug.h:4:0,
                    from include/linux/page-flags.h:9,
                    from kernel/bounds.c:9:
>> arch/x86/include/asm/bug.h:14:5: warning: "CONFIG_DEBUG_BUG" is not defined [-Wundef]
    #if CONFIG_DEBUG_BUG
        ^
--
   In file included from include/linux/bug.h:4:0,
                    from include/linux/page-flags.h:9,
                    from kernel/bounds.c:9:
>> arch/x86/include/asm/bug.h:14:5: warning: "CONFIG_DEBUG_BUG" is not defined [-Wundef]
    #if CONFIG_DEBUG_BUG
        ^
   In file included from include/linux/bug.h:4:0,
                    from include/linux/crypto.h:23,
                    from arch/x86/kernel/asm-offsets.c:8:
>> arch/x86/include/asm/bug.h:14:5: warning: "CONFIG_DEBUG_BUG" is not defined [-Wundef]
    #if CONFIG_DEBUG_BUG
        ^

vim +/CONFIG_DEBUG_BUG +14 arch/x86/include/asm/bug.h

     1	#ifndef _ASM_X86_BUG_H
     2	#define _ASM_X86_BUG_H
     3	
     4	#define HAVE_ARCH_BUG
     5	
     6	#ifdef CONFIG_DEBUG_BUGVERBOSE
     7	
     8	#ifdef CONFIG_X86_32
     9	# define __BUG_C0	"2:\t.long 1b, %c0\n"
    10	#else
    11	# define __BUG_C0	"2:\t.long 1b - 2b, %c0 - 2b\n"
    12	#endif
    13	
  > 14	#if CONFIG_DEBUG_BUG
    15	#define BUG()							\
    16	do {								\
    17		asm volatile("int3");					\
    18		unreachable();						\
    19	} while (0)
    20	#else
    21	#define BUG()							\
    22	do {								\

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

Download attachment ".config.gz" of type "application/octet-stream" (20303 bytes)