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Date:   Mon, 1 Feb 2021 20:07:33 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Menglong Dong <menglong8.dong@...il.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev <netdev@...r.kernel.org>
Subject: Re: make sendmsg/recvmsg process multiple messages at once

On Mon, 1 Feb 2021 20:41:45 +0800 Menglong Dong wrote:
> Hello, guys!
> 
> I am thinking about making sendmsg/recvmsg process multiple messages
> at once, which is possible to reduce the number of system calls.
> 
> Take the receiving of udp as an example, we can copy multiple skbs to
> msg_iov and make sure that every iovec contains a udp package.
> 
> Is this a good idea? This idea seems clumsy compared to the incoming
> 'io-uring' based zerocopy, but maybe it can help...

Let me refer you to Willem and Paolo :)

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