From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: John Fastabend <john.fastabend@gmail.com>
Cc: daniel@iogearbox.net, ast@kernel.org, netdev@vger.kernel.org,
edumazet@google.com, bpf@vger.kernel.org
Subject: Re: [PATCH 1/2] tls: remove close callback sock unlock/lock and flush_sync
Date: Fri, 28 Jun 2019 20:46:03 -0700 [thread overview]
Message-ID: <20190628204603.1191167b@cakuba.netronome.com> (raw)
In-Reply-To: <20190628175925.79a763f5@cakuba.netronome.com>
On Fri, 28 Jun 2019 17:59:25 -0700, Jakub Kicinski wrote:
> > > Sorry for all the questions, I'm not really able to fully wrap my head
> > > around this. I also feel like I'm missing the sockmap piece that may
> > > be why you prefer unhash over disconnect.
> >
> > Yep, if we try to support listening sockets we need a some more
> > core infrastructure to push around ulp and user_data portions of
> > sockets. Its not going to be nice for stable. Also at least in TLS
> > and sockmap case its not really needed for any use case I know
> > of.
>
> IIUC we can't go from ESTABLISHED to LISTEN without calling close()
> or disconnect() so I'm not clear on why are we hooking into unhash() 😕
Ah, disconnect() is also called with the socket already locked.
So no BH, but still not great..
next prev parent reply other threads:[~2019-06-29 3:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-27 17:36 [PATCH 0/2] tls, add unhash callback John Fastabend
2019-06-27 17:36 ` [PATCH 1/2] tls: remove close callback sock unlock/lock and flush_sync John Fastabend
2019-06-27 23:44 ` Jakub Kicinski
2019-06-28 14:12 ` John Fastabend
2019-06-28 18:31 ` Jakub Kicinski
2019-06-28 19:40 ` John Fastabend
2019-06-28 22:48 ` Jakub Kicinski
2019-06-29 0:20 ` John Fastabend
2019-06-29 0:59 ` Jakub Kicinski
2019-06-29 3:46 ` Jakub Kicinski [this message]
2019-06-27 17:36 ` [PATCH 2/2] bpf: tls, implement unhash to avoid transition out of ESTABLISHED John Fastabend
2019-06-27 18:16 ` [PATCH 0/2] tls, add unhash callback John Fastabend
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190628204603.1191167b@cakuba.netronome.com \
--to=jakub.kicinski@netronome.com \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=edumazet@google.com \
--cc=john.fastabend@gmail.com \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox