mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Stefano Garzarella <sgarzare@redhat.com>
To: Michal Luczaj <mhal@rbox.co>
Cc: "Stefan Hajnoczi" <stefanha@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowangio@gmail.com>,
	"Eugenio Pérez" <eperezma@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Simon Horman" <horms@kernel.org>, "Asias He" <asias@redhat.com>,
	kvm@vger.kernel.org, virtualization@lists.linux.dev,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v2 2/5] vsock/virtio: Streamline socket reset on transport/PM event
Date: Thu, 24 Sep 2026 12:06:27 +0200	[thread overview]
Message-ID: <arTwyyLVU3jM5fTA@sgarzare-redhat> (raw)
In-Reply-To: <3cbeb82a-60ff-4129-b630-5404df1f689e@rbox.co>

On Tue, Sep 22, 2026 at 03:17:30PM +0200, Michal Luczaj wrote:
>On 9/16/26 14:30, Stefano Garzarella wrote:
>> On Tue, Sep 15, 2026 at 03:15:13PM +0200, Michal Luczaj wrote:
>>> Follow vhost's vhost_vsock_reset_orphans() and VMCI's
>>> vmci_transport_handle_detach(): set SHUTDOWN_MASK, which will come handy
>>> later in the series.
>>
>> IMO it would be better to include the reason here as well. Every commit
>> should explain why doing a change.
>
>Sure, will do.
>
>>> static void virtio_vsock_reset_sock(struct sock *sk)
>>> {
>>> +	struct vsock_sock *vsk = vsock_sk(sk);
>>> +
>>> 	/* vmci_transport.c doesn't take sk_lock here either.  At least we're
>>> 	 * under vsock_table_lock so the sock cannot disappear while we're
>>> 	 * executing.
>>> 	 */
>>>
>>> +	vsk->peer_shutdown = SHUTDOWN_MASK;
>>
>> In all other places we use WRITE_ONCE/READ_ONCE on vsk->peer_shutdown,
>> should we do the same here?
>
>Right, we should. Isn't this also the case for sk_state and sk_err?

Are those read without the sk_lock?

Thanks,
Stefano


  reply	other threads:[~2026-09-24 10:06 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-15 13:15 [PATCH net v2 0/5] vsock: Fix connect() races Michal Luczaj
2026-09-15 13:15 ` [PATCH net v2 1/5] vhost/vsock: Fix socket state constant Michal Luczaj
2026-09-16 12:28   ` Stefano Garzarella
2026-09-15 13:15 ` [PATCH net v2 2/5] vsock/virtio: Streamline socket reset on transport/PM event Michal Luczaj
2026-09-16 12:30   ` Stefano Garzarella
2026-09-22 13:17     ` Michal Luczaj
2026-09-24 10:06       ` Stefano Garzarella [this message]
2026-09-24 21:26         ` Michal Luczaj
2026-09-16 23:39   ` netdev-bot+sashiko
2026-09-15 13:15 ` [PATCH net v2 3/5] vsock: Enforce no-transport invariant for TCP_LISTEN sockets Michal Luczaj
2026-09-16 12:30   ` Stefano Garzarella
2026-09-22 13:18     ` Michal Luczaj
2026-09-24 10:17       ` Stefano Garzarella
2026-09-24 21:26         ` Michal Luczaj
2026-09-28 10:31           ` Stefano Garzarella
2026-09-16 23:39   ` netdev-bot+sashiko
2026-09-15 13:15 ` [PATCH net v2 4/5] vsock: Do not reset a TCP_CLOSING socket Michal Luczaj
2026-09-16 12:30   ` Stefano Garzarella
2026-09-22 13:17     ` Michal Luczaj
2026-09-16 23:39   ` netdev-bot+sashiko
2026-09-15 13:15 ` [PATCH net v2 5/5] vsock: Handle sudden TCP_CLOSE during connect Michal Luczaj
2026-09-16 12:31   ` Stefano Garzarella
2026-09-22 13:18     ` Michal Luczaj
2026-09-28 10:44       ` Stefano Garzarella
2026-09-16 23:39   ` 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=arTwyyLVU3jM5fTA@sgarzare-redhat \
    --to=sgarzare@redhat.com \
    --cc=asias@redhat.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=eperezma@redhat.com \
    --cc=horms@kernel.org \
    --cc=jasowangio@gmail.com \
    --cc=kuba@kernel.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mhal@rbox.co \
    --cc=mst@redhat.com \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    --cc=stefanha@redhat.com \
    --cc=virtualization@lists.linux.dev \
    --cc=xuanzhuo@linux.alibaba.com \
    /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

all inboxes | Powered by JetHome®