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Date:   Fri, 11 Feb 2022 17:04:14 -0800
From:   Jakub Kicinski <>
To:     Lorenzo Bianconi <>
Subject: Re: [PATCH bpf-next 2/3] veth: rework veth_xdp_rcv_skb in order to
 accept non-linear skb

On Fri, 11 Feb 2022 02:20:31 +0100 Lorenzo Bianconi wrote:
> +	if (skb_shared(skb) || skb_head_is_locked(skb)) {

Is this sufficient to guarantee that the frags can be written?
skb_cow_data() tells a different story.

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