netdev - Re: [patch net-next] net: devlink: convert port

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Date:   Sat, 5 Nov 2022 10:27:11 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, pabeni@...hat.com,
        edumazet@...gle.com
Subject: Re: [patch net-next] net: devlink: convert port_list into xarray

Sat, Nov 05, 2022 at 03:19:10AM CET, kuba@...nel.org wrote:
>On Fri,  4 Nov 2022 16:14:05 +0100 Jiri Pirko wrote:
>> -	list_add_tail(&devlink_port->list, &devlink->port_list);
>> +	err = xa_alloc(&devlink->ports, &id, devlink_port, XA_LIMIT(id, id),
>> +		       GFP_KERNEL);
>> +	if (err) {
>> +		mutex_destroy(&devlink_port->reporters_lock);
>> +		return err;
>> +	}
>
>Odd if there isn't a cleaner API for allocating a specific ID.
>Perhaps xa_insert() is what we need?

Yeah, will change. Thanks!