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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 2/8] inet: implement lockless IP_MTU_DISCOVER
Date: Thu, 21 Sep 2023 13:03:19 -0600	[thread overview]
Message-ID: <e303dccf-7809-833a-58c7-e347d7c17610@kernel.org> (raw)
In-Reply-To: <20230921133021.1995349-3-edumazet@google.com>

On 9/21/23 7:30 AM, Eric Dumazet wrote:
> inet->pmtudisc can be read locklessly.
> 
> Implement proper lockless reads and writes to inet->pmtudisc
> 
> ip_sock_set_mtu_discover() can now be called from arbitrary
> contexts.
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> ---
>  include/net/ip.h                | 13 ++++++++-----
>  net/ipv4/ip_output.c            |  7 ++++---
>  net/ipv4/ip_sockglue.c          | 17 ++++++-----------
>  net/ipv4/ping.c                 |  2 +-
>  net/ipv4/raw.c                  |  2 +-
>  net/ipv4/udp.c                  |  2 +-
>  net/netfilter/ipvs/ip_vs_sync.c |  2 +-
>  7 files changed, 22 insertions(+), 23 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@kernel.org>



  reply	other threads:[~2023-09-21 19:03 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-21 13:30 [PATCH net-next 0/8] inet: more data-race fixes Eric Dumazet
2023-09-21 13:30 ` [PATCH net-next 1/8] inet: implement lockless IP_MULTICAST_TTL Eric Dumazet
2023-09-21 19:03   ` David Ahern
2023-09-21 13:30 ` [PATCH net-next 2/8] inet: implement lockless IP_MTU_DISCOVER Eric Dumazet
2023-09-21 19:03   ` David Ahern [this message]
2023-09-21 13:30 ` [PATCH net-next 3/8] inet: implement lockless IP_TOS Eric Dumazet
2023-09-21 19:10   ` David Ahern
2023-09-21 19:15     ` Eric Dumazet
2023-09-21 13:30 ` [PATCH net-next 4/8] inet: lockless getsockopt(IP_OPTIONS) Eric Dumazet
2023-09-21 19:12   ` David Ahern
2023-09-21 13:30 ` [PATCH net-next 5/8] inet: lockless getsockopt(IP_MTU) Eric Dumazet
2023-09-21 19:13   ` David Ahern
2023-09-21 13:30 ` [PATCH net-next 6/8] inet: implement lockless getsockopt(IP_UNICAST_IF) Eric Dumazet
2023-09-21 19:19   ` David Ahern
2023-09-21 13:30 ` [PATCH net-next 7/8] inet: lockless IP_PKTOPTIONS implementation Eric Dumazet
2023-09-21 19:23   ` David Ahern
2023-09-21 13:30 ` [PATCH net-next 8/8] inet: implement lockless getsockopt(IP_MULTICAST_IF) Eric Dumazet
2023-09-21 19:24   ` David Ahern

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