From: Jakub Kicinski <kuba@kernel.org>
To: Ido Schimmel <idosch@nvidia.com>
Cc: David Gibson <david@gibson.dropbear.id.au>,
Stefano Brivio <sbrivio@redhat.com>,
Fernando Fernandez Mancera <fmancera@suse.de>,
netdev@vger.kernel.org, yuhuang@redhat.com,
justin.iurman@gmail.com, horms@kernel.org, pabeni@redhat.com,
edumazet@google.com, davem@davemloft.net, dsahern@kernel.org,
Chris Adams <linux@cmadams.net>,
Beniamino Galvani <bgalvani@redhat.com>,
Thorsten Leemhuis <regressions@leemhuis.info>,
Andrew Lunn <andrew@lunn.ch>,
ihuguet@redhat.com, regressions@lists.linux.dev
Subject: Re: IPv6 address insertion order (was Re: [PATCH net v2] Revert "ipv6: preserve insertion order for same-scope addresses")
Date: Thu, 4 Jun 2026 15:55:35 -0700 [thread overview]
Message-ID: <20260604155535.4662a95b@kernel.org> (raw)
In-Reply-To: <20260604183909.GA877115@shredder>
On Thu, 4 Jun 2026 21:39:09 +0300 Ido Schimmel wrote:
> Given the above, my preference would be #3 -> #2 -> #1. The first two
> options expose the same capability to user space, so #1 doesn't buy us
> anything over #2, except a bit less code, but we risk introducing a
> regression.
>
> Between #2 and #3, production software can't drop the fallback even if
> we implement #2, yet #2 requires us to maintain uAPI forever. I think we
> should accept that the divergence between IPv4 and IPv6 is not ideal,
> but at least it's predictable and dependable (Fernando is working on a
> ksft and documentation).
+1 to this, FWIW
next prev parent reply other threads:[~2026-06-04 22:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-29 11:23 [PATCH net v2] Revert "ipv6: preserve insertion order for same-scope addresses" Fernando Fernandez Mancera
2026-05-29 11:41 ` Stefano Brivio
2026-05-29 11:45 ` Fernando Fernandez Mancera
2026-05-29 12:06 ` Chris Adams
2026-06-01 2:03 ` Matthieu Baerts
2026-06-01 13:35 ` Stefano Brivio
2026-06-01 14:01 ` Íñigo Huguet
2026-06-01 14:22 ` Thorsten Leemhuis
2026-06-03 5:46 ` Matthieu Baerts
2026-06-03 6:53 ` Íñigo Huguet
2026-06-03 7:17 ` Thorsten Leemhuis
2026-06-03 7:29 ` Fernando Fernandez Mancera
2026-06-03 8:00 ` Ido Schimmel
2026-06-03 8:06 ` Fernando Fernandez Mancera
2026-06-03 9:27 ` Matthieu Baerts
2026-06-03 8:02 ` David Gibson
2026-06-02 6:44 ` IPv6 address insertion order (was Re: [PATCH net v2] Revert "ipv6: preserve insertion order for same-scope addresses") David Gibson
2026-06-02 12:46 ` Andrew Lunn
2026-06-03 1:56 ` David Gibson
2026-06-02 13:21 ` Ido Schimmel
2026-06-03 2:34 ` David Gibson
2026-06-03 7:47 ` Ido Schimmel
2026-06-03 15:45 ` Stefano Brivio
2026-06-04 1:26 ` David Gibson
2026-06-04 18:39 ` Ido Schimmel
2026-06-04 22:55 ` Jakub Kicinski [this message]
2026-06-03 15:47 ` Nicolas Dichtel
2026-05-29 20:20 ` [PATCH net v2] Revert "ipv6: preserve insertion order for same-scope addresses" patchwork-bot+netdevbpf
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