From: Nikolay Aleksandrov <razor@blackwall.org>
To: Eric Dumazet <edumazet@google.com>,
"David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>, Ido Schimmel <idosch@nvidia.com>,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH v2 net-next 05/11] bridge: provide lockless access to p->path_cost
Date: Wed, 3 Jun 2026 10:44:05 +0300 [thread overview]
Message-ID: <320bf57b-ec91-4aca-bf57-de8d8d9cda30@blackwall.org> (raw)
In-Reply-To: <20260603062043.3911278-6-edumazet@google.com>
On 03/06/2026 09:20, Eric Dumazet wrote:
> Add READ_ONCE()/WRITE_ONCE() annotations around p->path_cost.
>
> This is needed at least for sysfs show_path_cost(), BRCTL_GET_PORT_INFO
> and upcoming RTNL avoidance in "ip link" dumps (cf br_port_fill_attrs()).
>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> ---
> net/bridge/br_if.c | 2 +-
> net/bridge/br_ioctl.c | 2 +-
> net/bridge/br_netlink.c | 2 +-
> net/bridge/br_stp.c | 17 +++++++++++------
> net/bridge/br_stp_if.c | 2 +-
> net/bridge/br_sysfs_if.c | 2 +-
> 6 files changed, 16 insertions(+), 11 deletions(-)
>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
next prev parent reply other threads:[~2026-06-03 7:44 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-03 6:20 [PATCH v2 net-next 00/11] bridge: prepare lockless br_port_fill_attrs() (I) Eric Dumazet
2026-06-03 6:20 ` [PATCH v2 net-next 01/11] bridge: add a READ_ONCE() in br_timer_value() Eric Dumazet
2026-06-03 7:42 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 02/11] bridge: add bridge_flags_bit enum Eric Dumazet
2026-06-03 7:42 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 03/11] bridge: use BR_PROMISC_BIT Eric Dumazet
2026-06-03 7:42 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 04/11] bridge: use BR_ADMIN_COST_BIT Eric Dumazet
2026-06-03 7:43 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 05/11] bridge: provide lockless access to p->path_cost Eric Dumazet
2026-06-03 7:44 ` Nikolay Aleksandrov [this message]
2026-06-03 6:20 ` [PATCH v2 net-next 06/11] bridge: provide lockless access to p->designated_cost Eric Dumazet
2026-06-03 7:46 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 07/11] bridge: provide lockless access to p->designated_port Eric Dumazet
2026-06-03 7:47 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 08/11] bridge: provide lockless access to p->priority Eric Dumazet
2026-06-03 7:49 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 09/11] bridge: provide lockless access to p->port_id Eric Dumazet
2026-06-03 7:50 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 10/11] bridge: provide lockless access to p->config_pending Eric Dumazet
2026-06-03 7:51 ` Nikolay Aleksandrov
2026-06-03 6:20 ` [PATCH v2 net-next 11/11] bridge: read p->flags once in br_port_fill_attrs() Eric Dumazet
2026-06-03 7:52 ` Nikolay Aleksandrov
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