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Date: Wed, 2 Oct 2019 18:43:09 -0700 From: paulmck@...nel.org To: rcu@...r.kernel.org Cc: linux-kernel@...r.kernel.org, mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com, josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org, "Paul E. McKenney" <paulmck@...nel.org>, Pablo Neira Ayuso <pablo@...filter.org>, Jozsef Kadlecsik <kadlec@...filter.org>, Florian Westphal <fw@...len.de>, "David S. Miller" <davem@...emloft.net>, netfilter-devel@...r.kernel.org, coreteam@...filter.org, netdev@...r.kernel.org Subject: [PATCH tip/core/rcu 8/9] net/netfilter: Replace rcu_swap_protected() with rcu_replace() From: "Paul E. McKenney" <paulmck@...nel.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@...ux-foundation.org> Signed-off-by: Paul E. McKenney <paulmck@...nel.org> Cc: Pablo Neira Ayuso <pablo@...filter.org> Cc: Jozsef Kadlecsik <kadlec@...filter.org> Cc: Florian Westphal <fw@...len.de> Cc: "David S. Miller" <davem@...emloft.net> Cc: <netfilter-devel@...r.kernel.org> Cc: <coreteam@...filter.org> Cc: <netdev@...r.kernel.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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