From: sashiko-bot@kernel.org
To: "Sergio Lopez" <slp@redhat.com>
Cc: virtualization@lists.linux.dev,
"Michael S. Tsirkin" <mst@redhat.com>,
"Eugenio Perez" <eperezma@redhat.com>
Subject: Re: [PATCH RFC v3 2/8] vsock: report datagram receive and send queue state
Date: Fri, 13 Nov 2026 17:25:26 +0000 [thread overview]
Message-ID: <sashiko-outbox-213303@kernel.org> (raw)
In-Reply-To: <20261113-vsock-dgram-support-v3-2-1523c8e9b27e@redhat.com>
> Datagram receive queues hold whole messages, and transports may charge
> queued datagrams to the socket send buffer. Report the size of the
> next datagram payload for SIOCINQ under the receive-queue lock, so
> concurrent recvmsg() cannot free the skb during the query. Let
> transports override the length calculation to exclude headers such as
> VMCI's.
>
> Report datagram write readiness only while the send buffer has space.
> Set the asynchronous no-space flag when it is full so freeing pending
> send buffers can wake poll waiters.
>
> Signed-off-by: Sergio Lopez <slp@redhat.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261113-vsock-dgram-support-v3-0-1523c8e9b27e@redhat.com?part=2
next prev parent reply other threads:[~2026-11-13 17:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-13 17:15 [PATCH RFC v3 0/8] vsock: add datagram support to virtio and vhost Sergio Lopez
2026-11-13 17:15 ` [PATCH RFC v3 1/8] vsock: expose the core port allocator to transports Sergio Lopez
2026-11-13 17:22 ` sashiko-bot
2026-11-13 17:15 ` [PATCH RFC v3 2/8] vsock: report datagram receive and send queue state Sergio Lopez
2026-11-13 17:25 ` sashiko-bot [this message]
2026-11-13 17:15 ` [PATCH RFC v3 3/8] vsock/virtio: implement the datagram data path Sergio Lopez
2026-11-13 17:47 ` sashiko-bot
2026-11-13 17:15 ` [PATCH RFC v3 4/8] vsock/virtio: negotiate datagram support on the guest Sergio Lopez
2026-11-13 17:35 ` sashiko-bot
2026-11-13 17:15 ` [PATCH RFC v3 5/8] vhost/vsock: negotiate datagram support with guests Sergio Lopez
2026-11-13 17:34 ` sashiko-bot
2026-11-13 17:15 ` [PATCH RFC v3 6/8] vsock: allow datagrams to use directional transports Sergio Lopez
2026-11-13 17:42 ` sashiko-bot
2026-11-13 17:15 ` [PATCH RFC v3 7/8] vsock: fragment datagrams across receive buffers Sergio Lopez
2026-11-13 17:34 ` sashiko-bot
2026-11-13 22:37 ` Bobby Eshleman
2026-11-13 17:15 ` [PATCH RFC v3 8/8] vsock: add datagram tests to vsock_test Sergio Lopez
2026-11-13 17:51 ` sashiko-bot
2026-11-13 22:18 ` [PATCH RFC v3 0/8] vsock: add datagram support to virtio and vhost Bobby Eshleman
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