netdev - Re: [PATCH net] net/sched: act_mirred: use the backlog for mirred ingress

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Message-ID: <20240214163132.54fd74bc@kernel.org>
Date: Wed, 14 Feb 2024 16:31:32 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Davide Caratti <dcaratti@...hat.com>
Cc: Jamal Hadi Salim <jhs@...atatu.com>, davem@...emloft.net,
 netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com, Marcelo
 Ricardo Leitner <marcelo.leitner@...il.com>, xiyou.wangcong@...il.com,
 jiri@...nulli.us, shmulik.ladkani@...il.com
Subject: Re: [PATCH net] net/sched: act_mirred: use the backlog for mirred
 ingress

On Wed, 14 Feb 2024 17:10:37 +0100 Davide Caratti wrote:
> > So tests pass - but on the list i only see one patch and the other is
> > on lore, not sure how to ACK something that is not on email, but FWIW:
> > Acked-by: Jamal Hadi Salim <jhs@...atatu.com>
> > 
> > The second patch avoids the recursion issue (which was the root cause)
> > and the first patch is really undoing ca22da2fbd693  
> 
> If I well read, Jakub's patch [1] uses the backlog for egress->ingress
> regardless of the "nest level": no more calls to netif_receive_skb():
> It's the same as my initial proposal for fixing the OVS soft-lockup [2],
> the code is different because now we have tcf_mirred_to_dev().

FWIW feel free to add your Sob or Co-dev+Sob!
It is very much the same solution as what you posted at some stage.