Re: [PATCH v2 net-next 05/11] bridge: provide lockless access to p->path_cost

[PATCH v2 net-next 00/11] bridge: prepare lockless br_port_fill_attrs() (I) · Eric Dumazet <edumazet@google.com> · 2026-06-03
[PATCH v2 net-next 01/11] bridge: add a READ_ONCE() in br_timer_value() · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 01/11] bridge: add a READ_ONCE() in br_timer_value() · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 02/11] bridge: add bridge_flags_bit enum · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 02/11] bridge: add bridge_flags_bit enum · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 04/11] bridge: use BR_ADMIN_COST_BIT · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 04/11] bridge: use BR_ADMIN_COST_BIT · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 03/11] bridge: use BR_PROMISC_BIT · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 03/11] bridge: use BR_PROMISC_BIT · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 05/11] bridge: provide lockless access to p->path_cost · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 05/11] bridge: provide lockless access to p->path_cost · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
Re: [PATCH v2 net-next 05/11] bridge: provide lockless access to p->path_cost · Ido Schimmel <idosch@nvidia.com> · 2026-06-04
[PATCH v2 net-next 06/11] bridge: provide lockless access to p->designated_cost · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 06/11] bridge: provide lockless access to p->designated_cost · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
Re: [PATCH v2 net-next 06/11] bridge: provide lockless access to p->designated_cost · Ido Schimmel <idosch@nvidia.com> · 2026-06-04
Re: [PATCH v2 net-next 06/11] bridge: provide lockless access to p->designated_cost · Eric Dumazet <edumazet@google.com> · 2026-06-04
[PATCH v2 net-next 07/11] bridge: provide lockless access to p->designated_port · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 07/11] bridge: provide lockless access to p->designated_port · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 08/11] bridge: provide lockless access to p->priority · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 08/11] bridge: provide lockless access to p->priority · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 09/11] bridge: provide lockless access to p->port_id · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 09/11] bridge: provide lockless access to p->port_id · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 11/11] bridge: read p->flags once in br_port_fill_attrs() · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 11/11] bridge: read p->flags once in br_port_fill_attrs() · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03
[PATCH v2 net-next 10/11] bridge: provide lockless access to p->config_pending · Eric Dumazet <edumazet@google.com> · 2026-06-03
Re: [PATCH v2 net-next 10/11] bridge: provide lockless access to p->config_pending · Nikolay Aleksandrov <razor@blackwall.org> · 2026-06-03

From: Ido Schimmel <idosch@nvidia.com>
Date: 2026-06-04 10:51:01

On Wed, Jun 03, 2026 at 06:20:37AM +0000, 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>

Reviewed-by: Ido Schimmel <idosch@nvidia.com>

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