netdev - Re: [PATCH net-next 07/11] ip6mr: introduce ip6mr_net_exit

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Message-ID: <dec5c7e1-4e80-3d62-233a-d7d29e405566@gmail.com>
Date:   Mon, 7 Feb 2022 20:24:16 -0800
From:   David Ahern <dsahern@...il.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>, David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 07/11] ip6mr: introduce ip6mr_net_exit_batch()

On 2/7/22 9:17 AM, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> cleanup_net() is competing with other rtnl users.
> 
> Avoiding to acquire rtnl for each netns before calling
> ip6mr_rules_exit() gives chance for cleanup_net()
> to progress much faster, holding rtnl a bit longer.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  net/ipv6/ip6mr.c | 20 +++++++++++++++-----
>  1 file changed, 15 insertions(+), 5 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@...nel.org>