diff options
Diffstat (limited to 'kernel/rcu/rcu.h')
| -rw-r--r-- | kernel/rcu/rcu.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index dc5d614b372c..9b10b57b79ad 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -502,6 +502,15 @@ do { \ ___locked; \ }) +#define raw_spin_trylock_irqsave_rcu_node(p, flags) \ +({ \ + bool ___locked = raw_spin_trylock_irqsave(&ACCESS_PRIVATE(p, lock), flags); \ + \ + if (___locked) \ + smp_mb__after_unlock_lock(); \ + ___locked; \ +}) + #define raw_lockdep_assert_held_rcu_node(p) \ lockdep_assert_held(&ACCESS_PRIVATE(p, lock)) |