Messages in this thread | | | Date | Tue, 8 Oct 2019 16:16:11 +0200 | From | Pablo Neira Ayuso <> | Subject | Re: [PATCH tip/core/rcu 8/9] net/netfilter: Replace rcu_swap_protected() with rcu_replace() |
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On Wed, Oct 02, 2019 at 06:43:09PM -0700, paulmck@kernel.org wrote: > From: "Paul E. McKenney" <paulmck@kernel.org> > > This commit replaces the use of rcu_swap_protected() with the more > intuitively appealing rcu_replace() as a step towards removing > rcu_swap_protected(). > > Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/ > Reported-by: Linus Torvalds <torvalds@linux-foundation.org> > Signed-off-by: Paul E. McKenney <paulmck@kernel.org> > Cc: Pablo Neira Ayuso <pablo@netfilter.org> > Cc: Jozsef Kadlecsik <kadlec@netfilter.org> > Cc: Florian Westphal <fw@strlen.de> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: <netfilter-devel@vger.kernel.org> > Cc: <coreteam@netfilter.org> > Cc: <netdev@vger.kernel.org>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
> --- > net/netfilter/nf_tables_api.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c > index d481f9b..8499baf 100644 > --- a/net/netfilter/nf_tables_api.c > +++ b/net/netfilter/nf_tables_api.c > @@ -1461,8 +1461,9 @@ static void nft_chain_stats_replace(struct nft_trans *trans) > if (!nft_trans_chain_stats(trans)) > return; > > - rcu_swap_protected(chain->stats, nft_trans_chain_stats(trans), > - lockdep_commit_lock_is_held(trans->ctx.net)); > + nft_trans_chain_stats(trans) = > + rcu_replace(chain->stats, nft_trans_chain_stats(trans), > + lockdep_commit_lock_is_held(trans->ctx.net)); > > if (!nft_trans_chain_stats(trans)) > static_branch_inc(&nft_counters_enabled); > -- > 2.9.5 >
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