Messages in this thread | | | Date | Mon, 6 Sep 2021 09:54:00 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [linux-rt-devel:linux-5.14.y-rt-rebase 242/262] kernel/locking/spinlock_rt.c:249:13: warning: no previous prototype for 'rt_rwlock_is_contended' |
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On 2021-09-05 03:00:56 [+0800], kernel test robot wrote: > >> kernel/locking/spinlock_rt.c:249:13: warning: no previous prototype for 'rt_rwlock_is_contended' [-Wmissing-prototypes] > 249 | int __sched rt_rwlock_is_contended(rwlock_t *rwlock) > | ^~~~~~~~~~~~~~~~~~~~~~ > > > vim +/rt_rwlock_is_contended +249 kernel/locking/spinlock_rt.c > > ca72c3eba593af Thomas Gleixner 2021-08-15 248 > ca72c3eba593af Thomas Gleixner 2021-08-15 @249 int __sched rt_rwlock_is_contended(rwlock_t *rwlock) > ca72c3eba593af Thomas Gleixner 2021-08-15 250 { > ca72c3eba593af Thomas Gleixner 2021-08-15 251 return rw_base_is_contended(&rwlock->rwbase); > ca72c3eba593af Thomas Gleixner 2021-08-15 252 } > ca72c3eba593af Thomas Gleixner 2021-08-15 253 EXPORT_SYMBOL(rt_rwlock_is_contended); > ca72c3eba593af Thomas Gleixner 2021-08-15 254
| $ git grep rwlock_is_contended include/linux/rwlock_rt.h | include/linux/rwlock_rt.h:#define rwlock_is_contended(lock) (((void)(lock), 0))
shouldn't we wire it up?
Sebastian
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