Re: [PATCH net v3] net/sched: sch_cake: fix autorate reconfiguration throttling
From: patchwork-bot+netdevbpf
Date: Sat Aug 22 2026 - 17:01:21 EST
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Thu, 20 Aug 2026 17:45:03 +0200 you wrote:
> CAKE's autorate-ingress path intends to limit shaper reconfiguration to
> once per 250 ms, but last_reconfig_time is only checked and never updated.
> Since the field stays zero, every qualifying capacity-estimate window can
> call cake_reconfigure(), causing avoidable rate churn and scheduler work
> under bursty traffic.
>
> Store the current timestamp when autorate actually reconfigures the qdisc
> so the guard enforces the intended interval.
>
> [...]
Here is the summary with links:
- [net,v3] net/sched: sch_cake: fix autorate reconfiguration throttling
https://git.kernel.org/netdev/net/c/7cbfb180945c
You are awesome, thank you!
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