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929324913e
Add a helper to check if RFS is needed or not. Allows to make the code a bit cleaner and the next patch to have MPTCP use this helper to decide whether or not to iterate over the subflows. tun_flow_update() was calling sock_rps_record_flow_hash() regardless of the state of rfs_needed. This was not really a bug as sock_flow_table simply ends up being NULL and thus everything will be fine. This commit here thus also implicitly makes tun_flow_update() respect the state of rfs_needed. Suggested-by: Matthieu Baerts <matttbe@kernel.org> Signed-off-by: Christoph Paasch <cpaasch@openai.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250902-net-next-mptcp-misc-feat-6-18-v2-3-fa02bb3188b1@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>