netdev - Re: [PATCH net 3/6] rtnetlink: bring NETDEV_POST_TYPE_CHANGE event process back in rtnetlink

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Date:   Sun, 15 Oct 2017 19:16:16 -0600
From:   David Ahern <dsahern@...il.com>
To:     Xin Long <lucien.xin@...il.com>,
        network dev <netdev@...r.kernel.org>
Cc:     davem@...emloft.net, hannes@...essinduktion.org
Subject: Re: [PATCH net 3/6] rtnetlink: bring NETDEV_POST_TYPE_CHANGE event
 process back in rtnetlink_event

On 10/15/17 4:13 AM, Xin Long wrote:
> As I said in patch 'rtnetlink: bring NETDEV_CHANGEMTU event process back
> in rtnetlink_event', removing NETDEV_POST_TYPE_CHANGE event was not the
> right fix for the redundant notifications issue.
> 
> So bring this event process back to rtnetlink_event and the old redundant
> notifications issue would be fixed in the later patch 'rtnetlink: check
> DO_SETLINK_NOTIFY correctly in do_setlink'.
> 
> Fixes: aef091ae58aa ("rtnetlink: Do not generate notifications for POST_TYPE_CHANGE event")
> Signed-off-by: Xin Long <lucien.xin@...il.com>
> ---
>  net/core/rtnetlink.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
> index bf47360..8e44fd5 100644
> --- a/net/core/rtnetlink.c
> +++ b/net/core/rtnetlink.c
> @@ -4284,6 +4284,7 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi
>  	case NETDEV_CHANGENAME:
>  	case NETDEV_FEAT_CHANGE:
>  	case NETDEV_BONDING_FAILOVER:
> +	case NETDEV_POST_TYPE_CHANGE:
>  	case NETDEV_NOTIFY_PEERS:
>  	case NETDEV_RESEND_IGMP:
>  	case NETDEV_CHANGEINFODATA:
> 

Acked-by: David Ahern <dsahern@...il.com>