diff options
Diffstat (limited to 'lib/rhashtable.c')
| -rw-r--r-- | lib/rhashtable.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index eb9240c458fa..cc808707d1cf 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -231,9 +231,6 @@ static int rhashtable_rehash_attach(struct rhashtable *ht, */ rcu_assign_pointer(old_tbl->future_tbl, new_tbl); - /* Ensure the new table is visible to readers. */ - smp_wmb(); - spin_unlock_bh(old_tbl->locks); return 0; @@ -519,7 +516,8 @@ int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter) return -ENOMEM; spin_lock(&ht->lock); - iter->walker->tbl = rht_dereference(ht->tbl, ht); + iter->walker->tbl = + rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock)); list_add(&iter->walker->list, &iter->walker->tbl->walkers); spin_unlock(&ht->lock); |