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[78.154.15.182]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4601f344148sm5543595f8f.19.2026.06.03.00.46.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Jun 2026 00:46:07 -0700 (PDT) Message-ID: <0002f8ee-0114-4ff3-9b55-2316655bb712@blackwall.org> Date: Wed, 3 Jun 2026 10:46:06 +0300 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 net-next 06/11] bridge: provide lockless access to p->designated_cost Content-Language: en-US, bg To: Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Ido Schimmel , netdev@vger.kernel.org, eric.dumazet@gmail.com References: <20260603062043.3911278-1-edumazet@google.com> <20260603062043.3911278-7-edumazet@google.com> From: Nikolay Aleksandrov In-Reply-To: <20260603062043.3911278-7-edumazet@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 03/06/2026 09:20, Eric Dumazet wrote: > Add READ_ONCE()/WRITE_ONCE() annotations around p->designated_cost > > This is needed at least for sysfs show_designated_cost(), BRCTL_GET_PORT_INFO > and upcoming RTNL avoidance in "ip link" dumps (cf br_port_fill_attrs()). > > Signed-off-by: Eric Dumazet > --- > net/bridge/br_ioctl.c | 2 +- > net/bridge/br_netlink.c | 3 ++- > net/bridge/br_stp.c | 28 ++++++++++++++++------------ > net/bridge/br_sysfs_if.c | 2 +- > 4 files changed, 20 insertions(+), 15 deletions(-) > Acked-by: Nikolay Aleksandrov