From: Jakub Kicinski <kuba@kernel.org>
To: David Ahern <dsahern@kernel.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, Stefano Brivio <sbrivio@redhat.com>,
Ilya Maximets <i.maximets@ovn.org>,
donald.hunter@gmail.com
Subject: Re: [PATCH net] inet: bring NLM_DONE out to a separate recv() again
Date: Thu, 11 Apr 2024 14:01:54 -0700 [thread overview]
Message-ID: <20240411140154.2acd3d0a@kernel.org> (raw)
In-Reply-To: <b4e24c74-0613-48be-9056-a931f7d9a772@kernel.org>
On Thu, 11 Apr 2024 13:45:42 -0600 David Ahern wrote:
> > + /* Don't let NLM_DONE coalesce into a message, even if it could.
> > + * Some user space expects NLM_DONE in a separate recv().
>
> that's unfortunate
Do you have an opinion on the sysfs/opt-in question?
Feels to me like there shouldn't be that much user space doing raw
netlink, without a library. Old crufty code usually does ioctls, right?
So maybe we can periodically reintroduce this bug to shake out all
the bad apps? :D
next prev parent reply other threads:[~2024-04-11 21:01 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-11 18:02 [PATCH net] inet: bring NLM_DONE out to a separate recv() again Jakub Kicinski
2024-04-11 18:42 ` Eric Dumazet
2024-04-11 18:57 ` Jakub Kicinski
2024-04-11 19:35 ` Ilya Maximets
2024-06-17 15:09 ` Ilya Maximets
2024-06-17 16:36 ` Jakub Kicinski
2024-06-17 17:05 ` Ilya Maximets
2024-04-11 19:45 ` David Ahern
2024-04-11 21:01 ` Jakub Kicinski [this message]
2024-04-11 21:14 ` David Ahern
2024-04-12 17:22 ` Stefano Brivio
2024-04-12 17:38 ` Ilya Maximets
2024-04-12 18:03 ` Stefano Brivio
2024-04-12 18:22 ` Ilya Maximets
2024-04-15 9:30 ` patchwork-bot+netdevbpf
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