* stable 5.15 backport: sch_*: make *_qlen_notify() idempotent
@ 2025-08-07 17:44 Hauke Mehrtens
2025-08-22 13:14 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Hauke Mehrtens @ 2025-08-07 17:44 UTC (permalink / raw)
To: stable, Greg KH; +Cc: Lion Ackermann, Jamal Hadi Salim, netdev
Hi,
Kernel 5.15.189 is showing a warning caused by:
commit e269f29e9395527bc00c213c6b15da04ebb35070
Author: Lion Ackermann <nnamrec@gmail.com>
Date: Mon Jun 30 15:27:30 2025 +0200
net/sched: Always pass notifications when child class becomes empty
[ Upstream commit 103406b38c600fec1fe375a77b27d87e314aea09 ]
See here for details: https://www.spinics.net/lists/netdev/msg1113109.html
To fix this please backport the following 4 commits to 5.15 stable:
commit 5ba8b837b522d7051ef81bacf3d95383ff8edce5
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Apr 3 14:10:23 2025 -0700
sch_htb: make htb_qlen_notify() idempotent
commit df008598b3a00be02a8051fde89ca0fbc416bd55
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Apr 3 14:10:24 2025 -0700
sch_drr: make drr_qlen_notify() idempotent
commit 51eb3b65544c9efd6a1026889ee5fb5aa62da3bb
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Apr 3 14:10:25 2025 -0700
sch_hfsc: make hfsc_qlen_notify() idempotent
commit 55f9eca4bfe30a15d8656f915922e8c98b7f0728
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Apr 3 14:10:26 2025 -0700
sch_qfq: make qfq_qlen_notify() idempotent
Kernel 6.1 stable already contains them. Kernel 5.10 stable does not
contain the patch which causes problems.
Hauke
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: stable 5.15 backport: sch_*: make *_qlen_notify() idempotent
2025-08-07 17:44 stable 5.15 backport: sch_*: make *_qlen_notify() idempotent Hauke Mehrtens
@ 2025-08-22 13:14 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2025-08-22 13:14 UTC (permalink / raw)
To: Hauke Mehrtens; +Cc: stable, Lion Ackermann, Jamal Hadi Salim, netdev
On Thu, Aug 07, 2025 at 07:44:29PM +0200, Hauke Mehrtens wrote:
> Hi,
>
> Kernel 5.15.189 is showing a warning caused by:
> commit e269f29e9395527bc00c213c6b15da04ebb35070
> Author: Lion Ackermann <nnamrec@gmail.com>
> Date: Mon Jun 30 15:27:30 2025 +0200
> net/sched: Always pass notifications when child class becomes empty
> [ Upstream commit 103406b38c600fec1fe375a77b27d87e314aea09 ]
>
> See here for details: https://www.spinics.net/lists/netdev/msg1113109.html
>
> To fix this please backport the following 4 commits to 5.15 stable:
>
> commit 5ba8b837b522d7051ef81bacf3d95383ff8edce5
> Author: Cong Wang <xiyou.wangcong@gmail.com>
> Date: Thu Apr 3 14:10:23 2025 -0700
>
> sch_htb: make htb_qlen_notify() idempotent
Now applied.
> commit df008598b3a00be02a8051fde89ca0fbc416bd55
> Author: Cong Wang <xiyou.wangcong@gmail.com>
> Date: Thu Apr 3 14:10:24 2025 -0700
>
> sch_drr: make drr_qlen_notify() idempotent
Does not apply, please provide a working backport.
> commit 51eb3b65544c9efd6a1026889ee5fb5aa62da3bb
> Author: Cong Wang <xiyou.wangcong@gmail.com>
> Date: Thu Apr 3 14:10:25 2025 -0700
>
> sch_hfsc: make hfsc_qlen_notify() idempotent
Now applied
> commit 55f9eca4bfe30a15d8656f915922e8c98b7f0728
> Author: Cong Wang <xiyou.wangcong@gmail.com>
> Date: Thu Apr 3 14:10:26 2025 -0700
>
> sch_qfq: make qfq_qlen_notify() idempotent
Now applied, thanks.
greg k-h
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