From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: [patch net-next 11/12] mlxsw: spectrum_dpipe: Add support for
 IPv4 host table dump
Date: Thu, 24 Aug 2017 12:26:35 -0700
Message-ID: <e5af97b0-c17b-5360-69f7-8d1428960258@gmail.com>
References: <20170824064010.1646-1-jiri@resnulli.us>
 <20170824064010.1646-12-jiri@resnulli.us>
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Cc: davem@davemloft.net, arkadis@mellanox.com, idosch@mellanox.com,
        mlxsw@mellanox.com
To: Jiri Pirko <jiri@resnulli.us>, netdev@vger.kernel.org
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On 8/23/17 11:40 PM, Jiri Pirko wrote:
> +static int
> +mlxsw_sp_dpipe_table_host_entries_get(struct mlxsw_sp *mlxsw_sp,
> +				      struct devlink_dpipe_entry *entry,
> +				      bool counters_enabled,
> +				      struct devlink_dpipe_dump_ctx *dump_ctx,
> +				      int type)
> +{
> +	int rif_neigh_count = 0;
> +	int rif_neigh_skip = 0;
> +	int neigh_count = 0;
> +	int rif_count;
> +	int i, j;
> +	int err;
> +
> +	rtnl_lock();

Why does a h/w driver dumping its tables need the rtnl lock?