netdev - Re: [PATCH net] inet: use #ifdef CONFIG_SOCK_RX_QUEUE

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Date:   Fri, 3 Dec 2021 09:21:31 +0900
From:   Kuniyuki Iwashima <kuniyu@...zon.co.jp>
To:     <eric.dumazet@...il.com>
CC:     <daniel@...earbox.net>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kafai@...com>, <kuba@...nel.org>,
        <kuniyu@...zon.co.jp>, <netdev@...r.kernel.org>,
        <tariqt@...dia.com>
Subject: Re: [PATCH net] inet: use #ifdef CONFIG_SOCK_RX_QUEUE_MAPPING consistently

From:   Eric Dumazet <eric.dumazet@...il.com>
Date:   Thu,  2 Dec 2021 14:42:18 -0800
> Since commit 4e1beecc3b58 ("net/sock: Add kernel config
> SOCK_RX_QUEUE_MAPPING"),
> sk_rx_queue_mapping access is guarded by CONFIG_SOCK_RX_QUEUE_MAPPING.
> 
> Fixes: 54b92e841937 ("tcp: Migrate TCP_ESTABLISHED/TCP_SYN_RECV sockets in accept queues.")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Acked-by: Kuniyuki Iwashima <kuniyu@...zon.co.jp>

I missed the commit which was added while I was developing the SO_REUSEPORT
series.

Thank you, Eric!


> Cc: Kuniyuki Iwashima <kuniyu@...zon.co.jp>
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Cc: Martin KaFai Lau <kafai@...com>
> Cc: Tariq Toukan <tariqt@...dia.com>
> ---
>  net/ipv4/inet_connection_sock.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
> index f7fea3a7c5e64b92ca9c6b56293628923649e58c..62a67fdc344cd21505a84c905c1e2c05cc0ff866 100644
> --- a/net/ipv4/inet_connection_sock.c
> +++ b/net/ipv4/inet_connection_sock.c
> @@ -721,7 +721,7 @@ static struct request_sock *inet_reqsk_clone(struct request_sock *req,
>  
>  	sk_node_init(&nreq_sk->sk_node);
>  	nreq_sk->sk_tx_queue_mapping = req_sk->sk_tx_queue_mapping;
> -#ifdef CONFIG_XPS
> +#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
>  	nreq_sk->sk_rx_queue_mapping = req_sk->sk_rx_queue_mapping;
>  #endif
>  	nreq_sk->sk_incoming_cpu = req_sk->sk_incoming_cpu;
> -- 
> 2.34.1.400.ga245620fadb-goog