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SubjectRe: [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
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