netdev - Re: [PATCH net-next v2] net: ipv6: use the new fib6_nh_release_dsts helper in fib6_nh

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Date:   Mon, 29 Nov 2021 18:35:09 -0700
From:   David Ahern <dsahern@...il.com>
To:     Nikolay Aleksandrov <razor@...ckwall.org>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: Re: [PATCH net-next v2] net: ipv6: use the new fib6_nh_release_dsts
 helper in fib6_nh_release

On 11/29/21 8:44 AM, Nikolay Aleksandrov wrote:
> From: Nikolay Aleksandrov <nikolay@...dia.com>
> 
> We can remove a bit of code duplication by reusing the new
> fib6_nh_release_dsts helper in fib6_nh_release. Their only difference is
> that fib6_nh_release's version doesn't use atomic operation to swap the
> pointers because it assumes the fib6_nh is no longer visible, while
> fib6_nh_release_dsts can be used anywhere.
> 
> Suggested-by: David Ahern <dsahern@...il.com>
> Signed-off-by: Nikolay Aleksandrov <nikolay@...dia.com>
> ---
> v2: no need to check for NULL rt6i_pcpu before calling free_percpu
> 
>  net/ipv6/route.c | 20 ++------------------
>  1 file changed, 2 insertions(+), 18 deletions(-)
> 



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