All of lore.kernel.org
 help / color / mirror / Atom feed
From: sashiko-bot@kernel.org
To: "Allison Henderson" <achender@kernel.org>
Cc: linux-rdma@vger.kernel.org
Subject: Re: [PATCH net-next v3 06/13] net/rds: wait for connections to be freed on transport unload
Date: Tue, 15 Sep 2026 03:37:36 +0000	[thread overview]
Message-ID: <20260915033736.A7E221F00893@smtp.kernel.org> (raw)
In-Reply-To: <20260914033719.138057-7-achender@kernel.org>

> From: Sharath Srinivasan <sharath.srinivasan@oracle.com>
> 
> Since connection free became asynchronous, rds_conn_destroy() only
> quiesces the connection; the actual free - including the transport's
> conn_free, which lives in the transport module - runs when the last
> reference is dropped.  The transports' exit paths destroy all of
> their connections and then proceed to unload, so a free that is still
> pending (a racing lookup-style holder, or simply the destroyer's own
> put not yet run when destroy was invoked from another context earlier)
> would execute transport module code after that module's text is gone.
> 
> Count each transport's live connections in t_conn_count (incremented
> when a connection is published in __rds_conn_create(), decremented as
> the last step of rds_conn_destroy_fini()) and make the transport exit
> paths - rds_ib_exit(), rds_tcp_exit() and rds_loop_exit() - wait for
> [ ... ]
>  place of UEK's wait_event_timeout() + WARN_ON(), plus the resweep for
>  IB's asynchronous device detach; also cover rds_loop_exit(); rewrite
>  commit message]
> Assisted-by: Claude-Code:claude-fable-5
> Signed-off-by: Allison Henderson <achender@kernel.org>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260914033719.138057-1-achender@kernel.org?part=6


  reply	other threads:[~2026-09-15  3:37 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-14  3:37 [PATCH net-next v3 00/13] net/rds: make connection lifetime reference-counted Allison Henderson
2026-09-14  3:37 ` [PATCH net-next v3 01/13] net/rds: ib: don't enable interrupts in rds_ib_conn_free() Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-14  3:37 ` [PATCH net-next v3 02/13] net/rds: free every path's transport data on the passive create paths Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 03/13] net/rds: guard every work-requeueing site with rds_destroy_pending() Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 04/13] net/rds: make rds_destroy_pending() cover single-connection destroy Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 05/13] net/rds: split connection destroy into quiesce and kref-governed free Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 06/13] net/rds: wait for connections to be freed on transport unload Allison Henderson
2026-09-15  3:37   ` sashiko-bot [this message]
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 07/13] net/rds: unlink transport nodes before a possibly deferred connection free Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 08/13] net/rds: hold connection references in lookup, sockets and c_passive Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 09/13] net/rds: refuse to queue a message on a connection being destroyed Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 10/13] net/rds: tcp: don't attach an accepted socket to " Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 11/13] net/rds: pin the connection across RDMA-CM event handling Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 12/13] net/rds: drop rds_conn_count in favor of t_conn_count Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko
2026-09-14  3:37 ` [PATCH net-next v3 13/13] net/rds: hold a connection reference from struct rds_incoming Allison Henderson
2026-09-15  3:37   ` sashiko-bot
2026-09-17  9:38   ` netdev-bot+sashiko

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=20260915033736.A7E221F00893@smtp.kernel.org \
    --to=sashiko-bot@kernel.org \
    --cc=achender@kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=sashiko-reviews@lists.linux.dev \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.