linux-kernel - Re: [PATCH 1/1] net: gro: fix misuse of CB in udp socket lookup

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Date:   Mon, 10 Jul 2023 09:50:28 -0600
From:   David Ahern <dsahern@...nel.org>
To:     Richard Gobert <richardbgobert@...il.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, willemdebruijn.kernel@...il.com,
        tom@...bertland.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, gal@...dia.com
Subject: Re: [PATCH 1/1] net: gro: fix misuse of CB in udp socket lookup

On 7/10/23 8:58 AM, Richard Gobert wrote:
>> put your cover letter details in here; no need for a cover letter for a
>> single patch.
> 
> I believe some details are irrelevant to the bugfix itself,
> I prefer to avoid overloading the commit message...
> Do you think there is a specific part of the cover letter that
> should be added to the commit message?
> 
>> there are existing iif and sdif lookup functions. I believe this gro
>> path needs a different version, but it should have a comment of when it
>> can be used vs the existing ones. Also, it is small enough to be an
>> inline like the existing ones. e.g., see inet_sdif
> 
> I was under the impression the coding style of Linux does not
> encourage placing the inline keyword.
> In which cases do you think I should add it?

See the existing *_sdif helpers in include/net/ip.h,
include/linux/ipv6.h and include/net/tcp.h.