linux-kernel - Re: [PATCH net-next v2] ppp: enable TX scatter-gather

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Message-ID: <CALW65jbNbnDJkHA5imp6OR4MST7=G1XMQ3+ddQ38YuQThuKMLQ@mail.gmail.com>
Date: Fri, 7 Nov 2025 11:34:47 +0800
From: Qingfang Deng <dqfext@...il.com>
To: Paolo Abeni <pabeni@...hat.com>
Cc: Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, linux-ppp@...r.kernel.org, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] ppp: enable TX scatter-gather

On Thu, Nov 6, 2025 at 10:19 PM Paolo Abeni <pabeni@...hat.com> wrote:
> Instead of dynamically changing the features, what about always exposing
> SG and FRAGLIST and linearize the skb as need for compression's sake?

I was thinking the same thing. But then we also need to linearize the
skb at PPPoTTY drivers such as ppp_synctty.c