diff options
| author |   Mark Brown <broonie@kernel.org> | 2015-03-10 10:37:02 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-10 10:37:02 +0000 |
| commit | eb5bc2a213f96bd43b5f00a625acb0c669613645 (patch) | |
| tree | 6093a86c9e704ebfed54adb426ff3079a428da93 /kernel/locking/spinlock.c | |
| parent | ASoC: rt5670: Check sysclk source by private data (diff) | |
| parent | Linux 4.0-rc3 (diff) | |
Merge tag 'v4.0-rc3' into asoc-rt5670
Linux 4.0-rc3
Conflicts:
sound/soc/codecs/rt5670.c
Diffstat (limited to 'kernel/locking/spinlock.c')
| -rw-r--r-- | kernel/locking/spinlock.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/locking/spinlock.c b/kernel/locking/spinlock.c index 4b082b5cac9e..db3ccb1dd614 100644 --- a/kernel/locking/spinlock.c +++ b/kernel/locking/spinlock.c @@ -363,6 +363,14 @@ void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass) } EXPORT_SYMBOL(_raw_spin_lock_nested); +void __lockfunc _raw_spin_lock_bh_nested(raw_spinlock_t *lock, int subclass) +{ + __local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); + spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); +} +EXPORT_SYMBOL(_raw_spin_lock_bh_nested); + unsigned long __lockfunc _raw_spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass) { |