Messages in this thread | | | Date | Fri, 6 Aug 2021 13:32:14 +0800 | From | kernel test robot <> | 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' |
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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>
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