netdev - Re: [PATCH net-next 2/3] net: ethernet: mtk_eth

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Date:   Mon, 19 Apr 2021 14:56:55 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, john@...ozen.org,
        nbd@....name, sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com,
        dqfext@...il.com, frank-w@...lic-files.de
Subject: Re: [PATCH net-next 2/3] net: ethernet: mtk_eth_soc: missing mutex

On Mon, 19 Apr 2021 23:54:32 +0200 Pablo Neira Ayuso wrote:
> On Mon, Apr 19, 2021 at 02:43:41PM -0700, Jakub Kicinski wrote:
> > On Mon, 19 Apr 2021 23:40:19 +0200 Pablo Neira Ayuso wrote:  
> > > No rtnl lock is held from the netfilter side, see:
> > > 
> > > 42f1c2712090 ("netfilter: nftables: comment indirect serialization of
> > > commit_mutex with rtnl_mutex")  
> > 
> > All the tc-centric drivers but mlx5 depend on rtnl_lock, is there
> > something preventing them from binding to netfilter blocks?  
> 
> Only mlx5 and this driver support for TC_SETUP_FT.
> 
> This fix is targetting at the TC_SETUP_FT flow block type.

Ah, there is a separate block type. Thanks.