From: kernel test robot <lkp@intel.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: [linux-rt-devel:linux-5.13.y-rt-testing 204/232] kernel/locking/spinlock_rt.c:244:13: warning: no previous prototype for 'rt_rwlock_is_contended'
Date: Fri, 6 Aug 2021 13:32:14 +0800 [thread overview]
Message-ID: <202108061305.tWe3eTtc-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.13.y-rt-testing
head: ef625e4b904469d3c5d6962b36abaed37f49db62
commit: 4d507329b3b9318f8fddbc1508ce38d324b3325a [204/232] x86: Enable RT also on 32bit
config: i386-randconfig-r005-20210806 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=4d507329b3b9318f8fddbc1508ce38d324b3325a
git remote add linux-rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
git fetch --no-tags linux-rt-devel linux-5.13.y-rt-testing
git checkout 4d507329b3b9318f8fddbc1508ce38d324b3325a
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> kernel/locking/spinlock_rt.c:244:13: warning: no previous prototype for 'rt_rwlock_is_contended' [-Wmissing-prototypes]
244 | int __sched rt_rwlock_is_contended(rwlock_t *rwlock)
| ^~~~~~~~~~~~~~~~~~~~~~
vim +/rt_rwlock_is_contended +244 kernel/locking/spinlock_rt.c
387b12793ce0fa Thomas Gleixner 2021-07-06 243
387b12793ce0fa Thomas Gleixner 2021-07-06 @244 int __sched rt_rwlock_is_contended(rwlock_t *rwlock)
387b12793ce0fa Thomas Gleixner 2021-07-06 245 {
387b12793ce0fa Thomas Gleixner 2021-07-06 246 return rw_base_is_contended(&rwlock->rwbase);
387b12793ce0fa Thomas Gleixner 2021-07-06 247 }
387b12793ce0fa Thomas Gleixner 2021-07-06 248 EXPORT_SYMBOL(rt_rwlock_is_contended);
387b12793ce0fa Thomas Gleixner 2021-07-06 249
:::::: The code at line 244 was first introduced by commit
:::::: 387b12793ce0faedbfc4563aaf557f664c95f1a9 locking/rwlock: Provide RT variant
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2021-08-06 5:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-06 5:32 kernel test robot [this message]
2021-08-06 7:12 ` Sebastian Andrzej Siewior
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