netdev - Re: [net-next v8 2/2] net: sched: support hash/classid/cpuid selecting tx queue

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Message-ID: <20220209072645.126734ab@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 9 Feb 2022 07:26:45 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Tonghao Zhang <xiangxia.m.yue@...il.com>
Cc:     Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Jiri Pirko <jiri@...nulli.us>,
        "David S. Miller" <davem@...emloft.net>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Alexander Lobakin <alobakin@...me>,
        Paolo Abeni <pabeni@...hat.com>,
        Talal Ahmad <talalahmad@...gle.com>,
        Kevin Hao <haokexin@...il.com>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Kees Cook <keescook@...omium.org>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Antoine Tenart <atenart@...nel.org>,
        Wei Wang <weiwan@...gle.com>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [net-next v8 2/2] net: sched: support hash/classid/cpuid
 selecting tx queue

On Wed, 9 Feb 2022 22:17:24 +0800 Tonghao Zhang wrote:
> > > This doesnt work in some environments. Example:
> > >
> > > 1) Some data centres (telco large and medium sized enteprises that
> > > i have personally encountered) dont allow for anything that requires
> > > compilation to be introduced (including ebpf).
> > > They depend on upstream - if something is already in the kernel and
> > > requires a script it becomes an operational issue which is a simpler
> > > process.
> > > This is unlike large organizations who have staff of developers
> > > dedicated to coding stuff. Most of the folks i am talking about
> > > have zero developers in house. But even if they did have a few,
> > > introducing code into the kernel that has to be vetted by a
> > > multitude of internal organizations tends to be a very
> > > long process.  
> > Yes, really agree with that.  
> Hi Jakub, do you have an opinion?

I think the patches are perfectly acceptable, nothing changed.