netdev - Re: [PATCH v3 net-next] net: multipath routing: configurable seed

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Date:   Tue, 13 Apr 2021 16:15:21 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     balaevpa@...otecs.ru
Cc:     netdev@...r.kernel.org, christophe.jaillet@...adoo.fr,
        kuba@...nel.org, yoshfuji@...ux-ipv6.org, dsahern@...nel.org
Subject: Re: [PATCH v3 net-next] net: multipath routing: configurable seed

From: Balaev Pavel <balaevpa@...otecs.ru>
Date: Tue, 13 Apr 2021 14:55:04 +0300

> @@ -222,6 +230,9 @@ struct netns_ipv4 {
>  #ifdef CONFIG_IP_ROUTE_MULTIPATH
>  	u8 sysctl_fib_multipath_use_neigh;
>  	u8 sysctl_fib_multipath_hash_policy;
> +	int sysctl_fib_multipath_hash_seed;
> +	struct multipath_seed_ctx __rcu *fib_multipath_hash_seed_ctx;
> +	spinlock_t fib_multipath_hash_seed_ctx_lock;

Maybe use the rtnl mutex instead of this custom spinlock?

Thanks.