From: David Ahern <dsahern@kernel.org>
To: Eric Dumazet <edumazet@google.com>,
"David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net-next 03/14] ipv6: lockless IPV6_MULTICAST_HOPS implementation
Date: Thu, 14 Sep 2023 08:55:53 -0600 [thread overview]
Message-ID: <e3639580-5a84-bf03-970d-56163c3f68af@kernel.org> (raw)
In-Reply-To: <20230912160212.3467976-4-edumazet@google.com>
On 9/12/23 10:02 AM, Eric Dumazet wrote:
> This fixes data-races around np->mcast_hops,
> and make IPV6_MULTICAST_HOPS lockless.
>
> Note that np->mcast_hops is never negative,
> thus can fit an u8 field instead of s16.
>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> ---
> include/linux/ipv6.h | 9 +--------
> include/net/ipv6.h | 2 +-
> net/dccp/ipv6.c | 2 +-
> net/ipv6/ipv6_sockglue.c | 28 +++++++++++++++-------------
> net/ipv6/tcp_ipv6.c | 3 ++-
> net/netfilter/ipvs/ip_vs_sync.c | 2 +-
> 6 files changed, 21 insertions(+), 25 deletions(-)
>
Reviewed-by: David Ahern <dsahern@kernel.org>
next prev parent reply other threads:[~2023-09-14 14:55 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 16:01 [PATCH net-next 00/14] ipv6: round of data-races fixes Eric Dumazet
2023-09-12 16:01 ` [PATCH net-next 01/14] ipv6: lockless IPV6_UNICAST_HOPS implementation Eric Dumazet
2023-09-14 14:51 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 02/14] ipv6: lockless IPV6_MULTICAST_LOOP implementation Eric Dumazet
2023-09-14 14:54 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 03/14] ipv6: lockless IPV6_MULTICAST_HOPS implementation Eric Dumazet
2023-09-14 14:55 ` David Ahern [this message]
2023-09-12 16:02 ` [PATCH net-next 04/14] ipv6: lockless IPV6_MTU implementation Eric Dumazet
2023-09-14 14:58 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 05/14] ipv6: lockless IPV6_MINHOPCOUNT implementation Eric Dumazet
2023-09-14 15:01 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 06/14] ipv6: lockless IPV6_RECVERR_RFC4884 implementation Eric Dumazet
2023-09-14 15:02 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 07/14] ipv6: lockless IPV6_MULTICAST_ALL implementation Eric Dumazet
2023-09-14 15:03 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 08/14] ipv6: lockless IPV6_AUTOFLOWLABEL implementation Eric Dumazet
2023-09-14 15:04 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 09/14] ipv6: lockless IPV6_DONTFRAG implementation Eric Dumazet
2023-09-14 15:05 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 10/14] ipv6: lockless IPV6_RECVERR implemetation Eric Dumazet
2023-09-14 15:06 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 11/14] ipv6: move np->repflow to atomic flags Eric Dumazet
2023-09-14 15:07 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 12/14] ipv6: lockless IPV6_ROUTER_ALERT_ISOLATE implementation Eric Dumazet
2023-09-14 15:08 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 13/14] ipv6: lockless IPV6_MTU_DISCOVER implementation Eric Dumazet
2023-09-14 15:10 ` David Ahern
2023-09-12 16:02 ` [PATCH net-next 14/14] ipv6: lockless IPV6_FLOWINFO_SEND implementation Eric Dumazet
2023-09-14 15:11 ` David Ahern
2023-09-14 10:25 ` [PATCH net-next 00/14] ipv6: round of data-races fixes Simon Horman
2023-09-15 9:40 ` patchwork-bot+netdevbpf
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