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Message-ID: <201601300213.u6wm8iRs%fengguang.wu@intel.com>
Date: Sat, 30 Jan 2016 02:35:53 +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 2/4] Add BUG() debugger entry points x86
Hi Jeffrey,
[auto build test ERROR on v4.5-rc1]
[also build test ERROR on next-20160129]
[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-debugger-entry-points/20160130-022335
config: i386-tinyconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All error/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:28:13: error: '#' is not followed by a macro parameter
#define BUG() \
^
>> arch/x86/include/asm/bug.h:31:6: error: expected '(' before 'volatile'
asm volatile("int3"); \
^
>> arch/x86/include/asm/bug.h:32:1: error: stray '#' in program
#else
^
>> arch/x86/include/asm/bug.h:32:2: error: expected identifier or '(' before 'else'
#else
^
arch/x86/include/asm/bug.h:34:1: error: stray '#' in program
#endif
^
>> arch/x86/include/asm/bug.h:34:2: error: unknown type name 'endif'
#endif
^
>> arch/x86/include/asm/bug.h:35:2: error: function declaration isn't a prototype [-Werror=strict-prototypes]
unreachable(); \
^
In file included from include/linux/compiler.h:56:0,
from include/uapi/linux/stddef.h:1,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/page-flags.h:8,
from kernel/bounds.c:9:
>> include/linux/compiler-gcc.h:199:23: warning: conflicting types for built-in function '__builtin_unreachable'
#define unreachable() __builtin_unreachable()
^
>> arch/x86/include/asm/bug.h:35:2: note: in expansion of macro 'unreachable'
unreachable(); \
^
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:36:1: error: expected identifier or '(' before '}' token
} while (0)
^
>> arch/x86/include/asm/bug.h:36:3: error: expected identifier or '(' before 'while'
} while (0)
^
In file included from include/linux/kernel.h:5:0,
from include/asm-generic/bug.h:13,
from arch/x86/include/asm/bug.h:39,
from include/linux/bug.h:4,
from include/linux/page-flags.h:9,
from kernel/bounds.c:9:
>> /usr/lib/gcc/x86_64-linux-gnu/5/include/stdarg.h:98:9: error: unknown type name '__gnuc_va_list'
typedef __gnuc_va_list va_list;
^
cc1: some warnings being treated as errors
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 +28 arch/x86/include/asm/bug.h
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 22 : : "i" (__FILE__), "i" (__LINE__), \
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 23 "i" (sizeof(struct bug_entry))); \
a5fc5eba arch/x86/include/asm/bug.h David Daney 2009-12-04 24 unreachable(); \
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 25 } while (0)
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 26
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 27 #else
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 @28 #define BUG() \
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 29 do { \
26a805e0 arch/x86/include/asm/bug.h Jeffrey Merkey 2016-01-29 30 #ifdef CONFIG_DEBUG_BREAK
26a805e0 arch/x86/include/asm/bug.h Jeffrey Merkey 2016-01-29 @31 asm volatile("int3"); \
26a805e0 arch/x86/include/asm/bug.h Jeffrey Merkey 2016-01-29 @32 #else
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 33 asm volatile("ud2"); \
26a805e0 arch/x86/include/asm/bug.h Jeffrey Merkey 2016-01-29 @34 #endif
a5fc5eba arch/x86/include/asm/bug.h David Daney 2009-12-04 @35 unreachable(); \
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 @36 } while (0)
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 37 #endif
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 38
68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 39 #include <asm-generic/bug.h>
:::::: The code at line 28 was first introduced by commit
:::::: 68fdc55c48fd2e8f4938a1e815216c25baf8a17e x86: unify include/asm/bug_32/64.h
:::::: TO: Thomas Gleixner <tglx@...utronix.de>
:::::: CC: Thomas Gleixner <tglx@...elltoy.tec.linutronix.de>
---
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