On 2/26/25 5:22 AM, Jiayuan Chen wrote:
Use RCU lock to protect sk_socket, preventing concurrent close and release by another thread.Because TCP/UDP are already within a relatively large critical section: ''' ip_local_deliver_finish rcu_read_lock ip_protocol_deliver_rcu tcp_rcv/udp_rcv rcu_read_unlock ''' Adding rcu_read_{un}lock() at the entrance and exit of sk_data_ready will not increase performance overhead.
Can it use a Fixes tag?
