netdev - Re: [PATCH v4 net-next 3/6] net-smnp: reorganize SNMP fast path variables

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Date: Fri, 27 Oct 2023 13:18:34 -0700
From: Coco Li <lixiaoyan@...gle.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>, Neal Cardwell <ncardwell@...gle.com>, 
	Mubashir Adnan Qureshi <mubashirq@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>, 
	Jonathan Corbet <corbet@....net>, David Ahern <dsahern@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org, Chao Wu <wwchao@...gle.com>, 
	Wei Wang <weiwan@...gle.com>, Pradeep Nemavat <pnemavat@...gle.com>
Subject: Re: [PATCH v4 net-next 3/6] net-smnp: reorganize SNMP fast path variables

On Fri, Oct 27, 2023, 12:55 AM Eric Dumazet <edumazet@...gle.com> wrote:
>
> On Fri, Oct 27, 2023 at 3:23 AM Jakub Kicinski <kuba@...nel.org> wrote:
> >
> > On Thu, 26 Oct 2023 16:52:35 -0700 Coco Li wrote:
> > > I have no objections to moving the enums outside, but that seems a bit
> > > tangential to the purpose of this patch series.
> >
> > My thinking is - we assume we can reshuffle this enum, because nobody
> > uses the enum values directly. If someone does, tho, we would be
> > breaking binary compatibility.
> >
> > Moving it out of include/uapi/ would break the build for anyone trying
> > to refer to the enum, That gives us quicker signal that we may have
> > broken someone's code.
>
> Note that we already in the past shuffled values without anyone objecting...
>
> We probably can move the enums out of uapi, I suggest we remove this
> patch from the series
> and do that in the next cycle, I think other reorgs are more important.

I agree. Will remove this commit in v5 of patch which I will update
soon, and send in a separate patch series to move enum out of uapi and
reorganize snmp counters.

Thanks for the discussion!