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

[David Miller]

From: Balaev Pavel <balae...@infotecs.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.