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From: Jakub Kicinski <kuba@kernel.org>
To: Jason Xing <kerneljasonxing@gmail.com>
Cc: Stanislav Fomichev <stfomichev@gmail.com>,
	davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
	bjorn@kernel.org, magnus.karlsson@intel.com,
	maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com,
	sdf@fomichev.me, ast@kernel.org, daniel@iogearbox.net,
	hawk@kernel.org, john.fastabend@gmail.com, joe@dama.to,
	willemdebruijn.kernel@gmail.com, bpf@vger.kernel.org,
	netdev@vger.kernel.org, Jason Xing <kernelxing@tencent.com>
Subject: Re: [PATCH net-next] xsk: skip validating skb list in xmit path
Date: Tue, 15 Jul 2025 16:19:11 -0700	[thread overview]
Message-ID: <20250715161911.32272364@kernel.org> (raw)
In-Reply-To: <CAL+tcoCiL0jjUO8RPiWX-+9VtjQm50ZeM5MQXn3Q6m+yNYryzQ@mail.gmail.com>

On Tue, 15 Jul 2025 07:53:19 +0800 Jason Xing wrote:
> > Although, again, if you care about performance, why not use zerocopy
> > mode?  
> 
> I attached the performance impact because I'm working on the different
> modes in xsk to see how it really behaves. You can take it as a kind
> of investigation :)

How does the copy mode compare to a normal packet socket?

  parent reply	other threads:[~2025-07-15 23:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-13  2:57 [PATCH net-next] xsk: skip validating skb list in xmit path Jason Xing
2025-07-14 16:03 ` Stanislav Fomichev
2025-07-14 23:53   ` Jason Xing
2025-07-15 20:44     ` Stanislav Fomichev
2025-07-15 23:24       ` Jason Xing
2025-07-16 21:40         ` Stanislav Fomichev
2025-07-15 23:19     ` Jakub Kicinski [this message]
2025-07-15 23:39       ` Jason Xing

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