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Date: Thu, 11 Feb 2016 00:20:06 +0800
From: kbuild test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@....fr>
Cc: kbuild-all@...org,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Scott Wood <oss@...error.net>, linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v3] powerpc32: provide VIRT_CPU_ACCOUNTING
Hi Christophe,
[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.5-rc3 next-20160210]
[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/Christophe-Leroy/powerpc32-provide-VIRT_CPU_ACCOUNTING/20160210-230049
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allnoconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc
All error/warnings (new ones prefixed by >>):
In file included from arch/powerpc/kernel/asm-offsets.c:30:0:
arch/powerpc/kernel/asm-offsets.c: In function 'main':
>> include/linux/compiler-gcc.h:158:2: error: 'struct thread_info' has no member named 'starttime'
__builtin_offsetof(a, b)
^
include/linux/kbuild.h:5:55: note: in definition of macro 'DEFINE'
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
^
include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^
>> arch/powerpc/kernel/asm-offsets.c:260:25: note: in expansion of macro 'offsetof'
DEFINE(PACA_STARTTIME, offsetof(struct thread_info, starttime));
^
>> include/linux/compiler-gcc.h:158:2: error: 'struct thread_info' has no member named 'starttime_user'
__builtin_offsetof(a, b)
^
include/linux/kbuild.h:5:55: note: in definition of macro 'DEFINE'
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
^
include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^
arch/powerpc/kernel/asm-offsets.c:261:30: note: in expansion of macro 'offsetof'
DEFINE(PACA_STARTTIME_USER, offsetof(struct thread_info, starttime_user));
^
>> include/linux/compiler-gcc.h:158:2: error: 'struct thread_info' has no member named 'user_time'
__builtin_offsetof(a, b)
^
include/linux/kbuild.h:5:55: note: in definition of macro 'DEFINE'
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
^
include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^
arch/powerpc/kernel/asm-offsets.c:262:25: note: in expansion of macro 'offsetof'
DEFINE(PACA_USER_TIME, offsetof(struct thread_info, user_time));
^
>> include/linux/compiler-gcc.h:158:2: error: 'struct thread_info' has no member named 'system_time'
__builtin_offsetof(a, b)
^
include/linux/kbuild.h:5:55: note: in definition of macro 'DEFINE'
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
^
include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^
arch/powerpc/kernel/asm-offsets.c:263:27: note: in expansion of macro 'offsetof'
DEFINE(PACA_SYSTEM_TIME, offsetof(struct thread_info, system_time));
^
make[2]: *** [arch/powerpc/kernel/asm-offsets.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 +158 include/linux/compiler-gcc.h
cb984d10 Joe Perches 2015-06-25 152 # error Your version of gcc miscompiles the __weak directive
cb984d10 Joe Perches 2015-06-25 153 # endif
cb984d10 Joe Perches 2015-06-25 154 #endif
cb984d10 Joe Perches 2015-06-25 155
cb984d10 Joe Perches 2015-06-25 156 #define __used __attribute__((__used__))
cb984d10 Joe Perches 2015-06-25 157 #define __compiler_offsetof(a, b) \
cb984d10 Joe Perches 2015-06-25 @158 __builtin_offsetof(a, b)
cb984d10 Joe Perches 2015-06-25 159
cb984d10 Joe Perches 2015-06-25 160 #if GCC_VERSION >= 40100 && GCC_VERSION < 40600
cb984d10 Joe Perches 2015-06-25 161 # define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
:::::: The code at line 158 was first introduced by commit
:::::: cb984d101b30eb7478d32df56a0023e4603cba7f compiler-gcc: integrate the various compiler-gcc[345].h files
:::::: TO: Joe Perches <joe@...ches.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
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