linux-kernel - Re: [EXT] [PATCH net-next v3 4/4] crypto: caam: Unembed net

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Message-ID: <ZoU1bh79jugMaRty@gmail.com>
Date: Wed, 3 Jul 2024 04:26:38 -0700
From: Breno Leitao <leitao@...ian.org>
To: Gaurav Jain <gaurav.jain@....com>
Cc: "kuba@...nel.org" <kuba@...nel.org>,
	Horia Geanta <horia.geanta@....com>,
	Pankaj Gupta <pankaj.gupta@....com>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	"horms@...nel.org" <horms@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [EXT] [PATCH net-next v3 4/4] crypto: caam: Unembed net_dev
 structure in dpaa2

Hello Gaurav,

On Wed, Jul 03, 2024 at 05:45:23AM +0000, Gaurav Jain wrote:

> > @@ -5096,15 +5109,23 @@ static int __cold dpaa2_dpseci_setup(struct
> > fsl_mc_device *ls_dev)
> >                         priv->rx_queue_attr[j].fqid,
> >                         priv->tx_queue_attr[j].fqid);
> >
> > -               ppriv->net_dev.dev = *dev;
> > -               INIT_LIST_HEAD(&ppriv->net_dev.napi_list);

> napi_list is not needed anymore? There is no mention in commit.

Good question. This allocation is now done in the alloc_netdev_dummy()
path. This is the code path:

alloc_netdev_dummy()->alloc_netdev()->alloc_netdev_mqs() which calls:

	INIT_LIST_HEAD(&dev->napi_list);

So, napi_list is initialized when the net_device interface is allocated.