netdev - Re: [patch net-next 5/7] devlink: convert param list to xarray

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Message-ID: <Y+X37DzDakgVVAZL@nanopsycho>
Date:   Fri, 10 Feb 2023 08:53:16 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com, tariqt@...dia.com,
        saeedm@...dia.com, jacob.e.keller@...el.com, gal@...dia.com,
        kim.phillips@....com, moshe@...dia.com
Subject: Re: [patch net-next 5/7] devlink: convert param list to xarray

Thu, Feb 09, 2023 at 05:45:37PM CET, simon.horman@...igine.com wrote:
>On Thu, Feb 09, 2023 at 04:43:06PM +0100, Jiri Pirko wrote:
>> From: Jiri Pirko <jiri@...dia.com>
>> 
>> Loose the linked list for params and use xarray instead.
>
>I gather this is related to:
>
>[patch net-next 6/7] devlink: allow to call
>        devl_param_driverinit_value_get() without holding instance lock
>
>Perhaps it is worth mentioning that here.

Well I do that in the cover letter. But I will make a note here and in
the other patch too.

Thanks!

>
>> Signed-off-by: Jiri Pirko <jiri@...dia.com>
>
>Irregardless, this looks good to me.
>
>Reviewed-by: Simon Horman <simon.horman@...igine.com>
>
>...
>
>> diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
>> index bbace07ff063..805c2b7ff468 100644
>> --- a/net/devlink/leftover.c
>> +++ b/net/devlink/leftover.c
>> @@ -3954,26 +3954,22 @@ static int devlink_param_driver_verify(const struct devlink_param *param)
>
>...
>
>>  static struct devlink_param_item *
>> -devlink_param_find_by_id(struct list_head *param_list, u32 param_id)
>> +devlink_param_find_by_id(struct xarray *params, u32 param_id)
>>  {
>> -	struct devlink_param_item *param_item;
>> -
>> -	list_for_each_entry(param_item, param_list, list)
>> -		if (param_item->param->id == param_id)
>> -			return param_item;
>> -	return NULL;
>> +	return xa_load(params, param_id);
>>  }
>
>This change is particularly pleasing :)
>
>...