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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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