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Thu, 11 Jun 2026 21:52:36 -0700 (PDT) From: Raf Dickson To: netdev@vger.kernel.org, virtualization@lists.linux.dev Cc: pabeni@redhat.com, sgarzare@redhat.com, stefanha@redhat.com, bryan-bt.tan@broadcom.com, vishnu.dasa@broadcom.com, bcm-kernel-feedback-list@broadcom.com, bobbyeshleman@gmail.com, leonardi@redhat.com, horms@kernel.org, edumazet@google.com, kuba@kernel.org, Raf Dickson Subject: [PATCH net-next v3 1/4] vsock: introduce vsock_pending_to_accept() helper Date: Fri, 12 Jun 2026 04:52:13 +0000 Message-ID: <20260612045216.105796-2-rafdog35@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260612045216.105796-1-rafdog35@gmail.com> References: <20260612045216.105796-1-rafdog35@gmail.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add vsock_pending_to_accept() to move a socket directly from the pending list to the accept queue in a single operation, avoiding the sock_put/sock_hold dance and the sk_acceptq_removed()/ sk_acceptq_added() pair that would otherwise be needed when calling vsock_remove_pending() followed by vsock_enqueue_accept(). Use it in vmci_transport_recv_connecting_server() where a completed handshake transitions the socket from pending to accept queue. Suggested-by: Stefano Garzarella Signed-off-by: Raf Dickson --- include/net/af_vsock.h | 1 + net/vmw_vsock/af_vsock.c | 10 ++++++++++ net/vmw_vsock/vmci_transport.c | 3 +-- 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index 4e40063ada..30046a3c20 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -220,6 +220,7 @@ static inline bool __vsock_in_connected_table(struct vsock_sock *vsk) void vsock_add_pending(struct sock *listener, struct sock *pending); void vsock_remove_pending(struct sock *listener, struct sock *pending); void vsock_enqueue_accept(struct sock *listener, struct sock *connected); +void vsock_pending_to_accept(struct sock *listener, struct sock *pending); void vsock_insert_connected(struct vsock_sock *vsk); void vsock_remove_bound(struct vsock_sock *vsk); void vsock_remove_connected(struct vsock_sock *vsk); diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 2ce1063d4a..1f94f0d44c 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -496,6 +496,16 @@ void vsock_remove_pending(struct sock *listener, struct sock *pending) } EXPORT_SYMBOL_GPL(vsock_remove_pending); +void vsock_pending_to_accept(struct sock *listener, struct sock *pending) +{ + struct vsock_sock *vpending = vsock_sk(pending); + struct vsock_sock *vlistener = vsock_sk(listener); + + list_del_init(&vpending->pending_links); + list_add_tail(&vpending->accept_queue, &vlistener->accept_queue); +} +EXPORT_SYMBOL_GPL(vsock_pending_to_accept); + void vsock_enqueue_accept(struct sock *listener, struct sock *connected) { struct vsock_sock *vlistener; diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 91516488a7..635ebf9da4 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -1258,8 +1258,7 @@ vmci_transport_recv_connecting_server(struct sock *listener, * listener's pending list to the accept queue so callers of accept() * can find it. */ - vsock_remove_pending(listener, pending); - vsock_enqueue_accept(listener, pending); + vsock_pending_to_accept(listener, pending); /* Callers of accept() will be waiting on the listening socket, not * the pending socket. -- 2.54.0