Re: [PATCH] net/sched: cake: clamp active flow deficit on rate changes

From: Samuel Moelius

Date: Tue Jun 09 2026 - 08:23:22 EST


On Mon, Jun 8, 2026 at 9:08 PM Eric Dumazet <edumazet@xxxxxxxxxx> wrote:
>
> On Mon, Jun 8, 2026 at 5:08 PM Samuel Moelius
> <sam.moelius@xxxxxxxxxxxxxxx> wrote:
> >
> > Changing CAKE rate parameters updates the quantum used for future
> > scheduling, but active flows can retain deficit computed under the old
> > rate.
> >
> > That stale deficit lets an already active flow receive service based on
> > the previous configuration after userspace changes the shaper rate.
> >
> > After recomputing rate-derived scheduling parameters, clamp positive
> > active-flow deficits to the quantum that applies under the new
> > configuration.
> >
> > Assisted-by: Codex:gpt-5.5-cyber-preview
> > Signed-off-by: Samuel Moelius <sam.moelius@xxxxxxxxxxxxxxx>
> > ---
>
> This is bloat for a not existent issue.
>
> pw-bot: cr

Sorry for misunderstanding, but is this patch rejected?