diff options
| -rw-r--r-- | include/qemu/rcu.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/include/qemu/rcu.h b/include/qemu/rcu.h index f6d1d56375..7c7cca7f6f 100644 --- a/include/qemu/rcu.h +++ b/include/qemu/rcu.h @@ -88,10 +88,6 @@ static inline void rcu_read_lock(void) ctr = atomic_read(&rcu_gp_ctr); atomic_xchg(&p_rcu_reader->ctr, ctr); - if (atomic_read(&p_rcu_reader->waiting)) { - atomic_set(&p_rcu_reader->waiting, false); - qemu_event_set(&rcu_gp_event); - } } static inline void rcu_read_unlock(void) @@ -104,7 +100,7 @@ static inline void rcu_read_unlock(void) } atomic_xchg(&p_rcu_reader->ctr, 0); - if (atomic_read(&p_rcu_reader->waiting)) { + if (unlikely(atomic_read(&p_rcu_reader->waiting))) { atomic_set(&p_rcu_reader->waiting, false); qemu_event_set(&rcu_gp_event); } |