linux-kernel - Re: [PATCH net 1/1] net/ipv6: Netlink flag for new IPv6 Default Routes

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Message-ID: <f4d16944-1b60-4824-8d63-fc2d5de1722c@kernel.org>
Date: Wed, 6 Nov 2024 11:59:30 -0700
From: David Ahern <dsahern@...nel.org>
To: Matt Muggeridge <Matt.Muggeridge@....com>, idosch@...sch.org
Cc: davem@...emloft.net, edumazet@...gle.com, horms@...nel.org,
 kuba@...nel.org, linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, pabeni@...hat.com, stable@...r.kernel.org
Subject: Re: [PATCH net 1/1] net/ipv6: Netlink flag for new IPv6 Default
 Routes

On 11/5/24 7:50 PM, Matt Muggeridge wrote:
> I'm a little surprised by this consideration. If we account for poorly
> written buggy user-programs, doesn't this open any API to an explosion
> of new attributes or other odd extensions? I'd imagine the same argument

yes, it does and there are many examples. UAPIs are hard to get right
yet persistent forever, so I do agree with Ido's push back on making
sure it is needed.