linux-kernel - Re: [PATCH] hv_netvsc: Mark VF as slave before exposing it to user-mode

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Date:   Thu, 26 Oct 2023 09:47:19 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     longli@...uxonhyperv.com
Cc:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, Long Li <longli@...rosoft.com>
Subject: Re: [PATCH] hv_netvsc: Mark VF as slave before exposing it to
 user-mode

On Wed, 25 Oct 2023 15:50:50 -0700
longli@...uxonhyperv.com wrote:

> 	list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) {
>  		ndev = hv_get_drvdata(ndev_ctx->device_ctx);
> -		if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr)) {
> -			netdev_notice(vf_netdev,
> -				      "falling back to mac addr based matching\n");
> +		if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr) ||
> +		    ether_addr_equal(vf_netdev->dev_addr, ndev->perm_addr))

This part looks like unrelated change.
The VF mac address shouldn't change, but if it did don't look at i.