tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 2d3e4866dea96b0506395b47bfefb234f2088dac
commit: 6b0b7551428e4caae1e2c023a529465a9a9ae2d4 perf/core: Rename
CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS
date: 10 weeks ago
reproduce:
# apt-get install sparse
git checkout 6b0b7551428e4caae1e2c023a529465a9a9ae2d4
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> include/linux/spinlock_api_smp.h:151:27: sparse: context imbalance in
>> '__replace_page' - unexpected unlock
vim +/__replace_page +151 include/linux/spinlock_api_smp.h
69d0ee73 Heiko Carstens 2009-08-31 135 spin_acquire(&lock->dep_map, 0,
0, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 136 LOCK_CONTENDED(lock,
do_raw_spin_trylock, do_raw_spin_lock);
69d0ee73 Heiko Carstens 2009-08-31 137 }
69d0ee73 Heiko Carstens 2009-08-31 138
9c1721aa Thomas Gleixner 2009-12-03 139 static inline void
__raw_spin_lock(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 140 {
69d0ee73 Heiko Carstens 2009-08-31 141 preempt_disable();
69d0ee73 Heiko Carstens 2009-08-31 142 spin_acquire(&lock->dep_map, 0,
0, _RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 143 LOCK_CONTENDED(lock,
do_raw_spin_trylock, do_raw_spin_lock);
69d0ee73 Heiko Carstens 2009-08-31 144 }
69d0ee73 Heiko Carstens 2009-08-31 145
ae58403f Chen Gang 2013-06-19 146 #endif /* !CONFIG_GENERIC_LOCKBREAK
|| CONFIG_DEBUG_LOCK_ALLOC */
69d0ee73 Heiko Carstens 2009-08-31 147
9c1721aa Thomas Gleixner 2009-12-03 148 static inline void
__raw_spin_unlock(raw_spinlock_t *lock)
69d0ee73 Heiko Carstens 2009-08-31 149 {
69d0ee73 Heiko Carstens 2009-08-31 150 spin_release(&lock->dep_map, 1,
_RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 @151 do_raw_spin_unlock(lock);
69d0ee73 Heiko Carstens 2009-08-31 152 preempt_enable();
69d0ee73 Heiko Carstens 2009-08-31 153 }
69d0ee73 Heiko Carstens 2009-08-31 154
9c1721aa Thomas Gleixner 2009-12-03 155 static inline void
__raw_spin_unlock_irqrestore(raw_spinlock_t *lock,
69d0ee73 Heiko Carstens 2009-08-31 156
unsigned long flags)
69d0ee73 Heiko Carstens 2009-08-31 157 {
69d0ee73 Heiko Carstens 2009-08-31 158 spin_release(&lock->dep_map, 1,
_RET_IP_);
9828ea9d Thomas Gleixner 2009-12-03 159 do_raw_spin_unlock(lock);
:::::: The code at line 151 was first introduced by commit
:::::: 9828ea9d75c38fe3dce05d00566eed61c85732e6 locking: Further name space
cleanups
:::::: TO: Thomas Gleixner <[email protected]>
:::::: CC: Thomas Gleixner <[email protected]>
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