netdev - Re: [PATCH v3 net-next 00/14] net_sched: speedup qdisc dequeue

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Message-Id: 
 <176408429448.752950.12216092755277643932.git-patchwork-notify@kernel.org>
Date: Tue, 25 Nov 2025 15:24:54 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
 toke@...hat.com, kuniyu@...gle.com, willemb@...gle.com,
 netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH v3 net-next 00/14] net_sched: speedup qdisc dequeue

Hello:

This series was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Fri, 21 Nov 2025 08:32:42 +0000 you wrote:
> Avoid up to two cache line misses in qdisc dequeue() to fetch
> skb_shinfo(skb)->gso_segs/gso_size while qdisc spinlock is held.
> 
> Idea is to cache gso_segs at enqueue time before spinlock is
> acquired, in the first skb cache line, where we already
> have qdisc_skb_cb(skb)->pkt_len.
> 
> [...]

Here is the summary with links:
  - [v3,net-next,01/14] net_sched: make room for (struct qdisc_skb_cb)->pkt_segs
    https://git.kernel.org/netdev/net-next/c/b2a38f6df9da
  - [v3,net-next,02/14] net: init shinfo->gso_segs from qdisc_pkt_len_init()
    https://git.kernel.org/netdev/net-next/c/be1b70ab21cb
  - [v3,net-next,03/14] net_sched: initialize qdisc_skb_cb(skb)->pkt_segs in qdisc_pkt_len_init()
    https://git.kernel.org/netdev/net-next/c/874c1928d372
  - [v3,net-next,04/14] net: use qdisc_pkt_len_segs_init() in sch_handle_ingress()
    https://git.kernel.org/netdev/net-next/c/f9e00e51e391
  - [v3,net-next,05/14] net_sched: use qdisc_skb_cb(skb)->pkt_segs in bstats_update()
    https://git.kernel.org/netdev/net-next/c/2773cb0b3120
  - [v3,net-next,06/14] net_sched: cake: use qdisc_pkt_segs()
    https://git.kernel.org/netdev/net-next/c/c5d34f4583ea
  - [v3,net-next,07/14] net_sched: add Qdisc_read_mostly and Qdisc_write groups
    https://git.kernel.org/netdev/net-next/c/ad50d5a3fc20
  - [v3,net-next,08/14] net_sched: sch_fq: move qdisc_bstats_update() to fq_dequeue_skb()
    https://git.kernel.org/netdev/net-next/c/3c1100f042c0
  - [v3,net-next,09/14] net_sched: sch_fq: prefetch one skb ahead in dequeue()
    https://git.kernel.org/netdev/net-next/c/2f9babc04d74
  - [v3,net-next,10/14] net: prefech skb->priority in __dev_xmit_skb()
    https://git.kernel.org/netdev/net-next/c/b2e9821cff6c
  - [v3,net-next,11/14] net: annotate a data-race in __dev_xmit_skb()
    https://git.kernel.org/netdev/net-next/c/4792c3a4c147
  - [v3,net-next,12/14] net_sched: add tcf_kfree_skb_list() helper
    https://git.kernel.org/netdev/net-next/c/0170d7f47c8b
  - [v3,net-next,13/14] net_sched: add qdisc_dequeue_drop() helper
    https://git.kernel.org/netdev/net-next/c/191ff13e42a7
  - [v3,net-next,14/14] net_sched: use qdisc_dequeue_drop() in cake, codel, fq_codel
    https://git.kernel.org/netdev/net-next/c/a6efc273ab82

You are awesome, thank you!
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