linux-kernel - Re: [PATCH] ipv6 sit: work around bogus gcc-8 -Wrestrict warning

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Date:   Thu, 22 Feb 2018 08:40:25 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv6 sit: work around bogus gcc-8 -Wrestrict warning

On Thu, 2018-02-22 at 16:55 +0100, Arnd Bergmann wrote:

... 
> 
> This code is old, so Cc stable to make sure that we don't get the warning
> for older kernels built with new gcc.
> 
> Cc: stable@...r.kernel.org


This part makes little sense to me for two reasons.

1) David Miller handles stable submission himself
 ( Documentation/networking/netdev-FAQ.txt )

2) We are not supposed to make sure old kernels will compile with
future compilers.

That would need a lot of work and potential new bugs, not worth the
time.

Otherwise your patch looks fine really ;)