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Date: Fri, 1 Sep 2017 17:11:22 +0800
From: kbuild test robot <lkp@...el.com>
To: harsha <harshasharmaiitr@...il.com>
Cc: kbuild-all@...org, gregkh@...uxfoundation.org,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
harsha <harshasharmaiitr@...il.com>
Subject: Re: [PATCH] Staging:android:ion:ion.c : Using WARN_ON() rather than
BUG()
Hi harsha,
[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.13-rc7 next-20170831]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/harsha/Staging-android-ion-ion-c-Using-WARN_ON-rather-than-BUG/20170901-160600
config: s390-allmodconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390
All errors (new ones prefixed by >>):
In file included from include/linux/bug.h:4:0,
from include/linux/mmdebug.h:4,
from arch/s390/include/asm/cmpxchg.h:10,
from arch/s390/include/asm/atomic.h:15,
from include/linux/atomic.h:4,
from include/linux/debug_locks.h:5,
from include/linux/lockdep.h:25,
from include/linux/spinlock_types.h:18,
from include/linux/mutex.h:15,
from include/linux/kernfs.h:13,
from include/linux/sysfs.h:15,
from include/linux/kobject.h:21,
from include/linux/device.h:17,
from drivers/staging/android/ion/ion.c:18:
drivers/staging/android/ion/ion.c: In function 'ion_buffer_add':
>> arch/s390/include/asm/bug.h:54:26: error: expected expression before ')' token
int __ret_warn_on = !!(x); \
^
drivers/staging/android/ion/ion.c:69:4: note: in expansion of macro 'WARN_ON'
WARN_ON();
^~~~~~~
--
In file included from include/linux/bug.h:4:0,
from include/linux/mmdebug.h:4,
from arch/s390/include/asm/cmpxchg.h:10,
from arch/s390/include/asm/atomic.h:15,
from include/linux/atomic.h:4,
from include/linux/debug_locks.h:5,
from include/linux/lockdep.h:25,
from include/linux/spinlock_types.h:18,
from include/linux/mutex.h:15,
from include/linux/kernfs.h:13,
from include/linux/sysfs.h:15,
from include/linux/kobject.h:21,
from include/linux/device.h:17,
from drivers/staging//android/ion/ion.c:18:
drivers/staging//android/ion/ion.c: In function 'ion_buffer_add':
>> arch/s390/include/asm/bug.h:54:26: error: expected expression before ')' token
int __ret_warn_on = !!(x); \
^
drivers/staging//android/ion/ion.c:69:4: note: in expansion of macro 'WARN_ON'
WARN_ON();
^~~~~~~
vim +54 arch/s390/include/asm/bug.h
a9df8e32 arch/s390/include/asm/bug.h Heiko Carstens 2010-01-13 52
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 53 #define WARN_ON(x) ({ \
fd0cbdd3 include/asm-s390/bug.h Heiko Carstens 2007-08-02 @54 int __ret_warn_on = !!(x); \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 55 if (__builtin_constant_p(__ret_warn_on)) { \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 56 if (__ret_warn_on) \
b2be0527 arch/s390/include/asm/bug.h Ben Hutchings 2010-04-03 57 __WARN(); \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 58 } else { \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 59 if (unlikely(__ret_warn_on)) \
b2be0527 arch/s390/include/asm/bug.h Ben Hutchings 2010-04-03 60 __WARN(); \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 61 } \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 62 unlikely(__ret_warn_on); \
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 63 })
c0007f1a include/asm-s390/bug.h Heiko Carstens 2007-04-27 64
:::::: The code at line 54 was first introduced by commit
:::::: fd0cbdd378258fdf44eac5ea091256a4a665315b Fix WARN_ON() on bitfield ops for all other archs
:::::: TO: Heiko Carstens <heiko.carstens@...ibm.com>
:::::: CC: Linus Torvalds <torvalds@...dy.linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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