netdev - Re: [PATCH net-next 15/15] idpf: configure SRIOV and add other ndo

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Date: Thu, 1 Jun 2023 16:40:34 -0700
From: "Linga, Pavan Kumar" <pavan.kumar.linga@...el.com>
To: Jakub Kicinski <kuba@...nel.org>, Tony Nguyen <anthony.l.nguyen@...el.com>
CC: <davem@...emloft.net>, <pabeni@...hat.com>, <edumazet@...gle.com>,
	<netdev@...r.kernel.org>, Joshua Hay <joshua.a.hay@...el.com>,
	<emil.s.tantilov@...el.com>, <jesse.brandeburg@...el.com>,
	<sridhar.samudrala@...el.com>, <shiraz.saleem@...el.com>,
	<sindhu.devale@...el.com>, <willemb@...gle.com>, <decot@...gle.com>,
	<andrew@...n.ch>, <leon@...nel.org>, <mst@...hat.com>,
	<simon.horman@...igine.com>, <shannon.nelson@....com>,
	<stephen@...workplumber.org>, <linux-doc@...r.kernel.org>, Alan Brady
	<alan.brady@...el.com>, Madhu Chittim <madhu.chittim@...el.com>, Phani Burra
	<phani.r.burra@...el.com>, Krishneil Singh <krishneil.k.singh@...el.com>
Subject: Re: [PATCH net-next 15/15] idpf: configure SRIOV and add other
 ndo_ops



On 5/31/2023 11:23 PM, Jakub Kicinski wrote:
> On Tue, 30 May 2023 16:45:01 -0700 Tony Nguyen wrote:
>> +	struct idpf_vport *vport = idpf_netdev_to_vport(netdev);
>> +
>> +	if (!vport)
>> +		return;
>> +
>> +	*stats = vport->netstats;
> 
> How is this atomic vs the update path.

I see your point. 'vport->netstats' can go out of sync if the statistics 
task updates the 'netstats' concurrently. Will guard the stats update 
with a lock. Thanks for the review.

Regards,
Pavan