On Wed, Jul 26, 2017 at 01:15:06PM +0200, Pablo Neira Ayuso wrote: > On Wed, Jul 26, 2017 at 02:09:41AM +0200, Florian Westphal wrote: > [...] > > @@ -144,7 +159,9 @@ static int nft_rbtree_insert(const struct net *net, const struct nft_set *set, > > int err; > > > > write_lock_bh(&priv->lock); > > + write_seqcount_begin(&priv->count); > > err = __nft_rbtree_insert(net, set, rbe, ext); > > + write_seqcount_end(&priv->count); > > write_unlock_bh(&priv->lock); > > > > return err; > > @@ -158,7 +175,9 @@ static void nft_rbtree_remove(const struct net *net, > > struct nft_rbtree_elem *rbe = elem->priv; > > > > write_lock_bh(&priv->lock); > > Do we need the spinlock anymore? This is protected by mutex from > userspace, and we have no support for neither timeouts nor dynamic set > population from packet path yet. Forget this, I overlook we have a slow path in case seq mismatches. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
