linux-kernel - [PATCH RFC net-next v4 07/12] hv

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Message-Id: <20250805-vsock-vmtest-v4-7-059ec51ab111@meta.com>
Date: Tue, 05 Aug 2025 14:49:15 -0700
From: Bobby Eshleman <bobbyeshleman@...il.com>
To: Stefano Garzarella <sgarzare@...hat.com>, Shuah Khan <shuah@...nel.org>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Simon Horman <horms@...nel.org>, Stefan Hajnoczi <stefanha@...hat.com>, 
 "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, 
 Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, 
 Eugenio Pérez <eperezma@...hat.com>, 
 "K. Y. Srinivasan" <kys@...rosoft.com>, 
 Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu <wei.liu@...nel.org>, 
 Dexuan Cui <decui@...rosoft.com>, Bryan Tan <bryan-bt.tan@...adcom.com>, 
 Vishnu Dasa <vishnu.dasa@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>
Cc: virtualization@...ts.linux.dev, netdev@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, 
 kvm@...r.kernel.org, linux-hyperv@...r.kernel.org, 
 Bobby Eshleman <bobbyeshleman@...il.com>, berrange@...hat.com, 
 Bobby Eshleman <bobbyeshleman@...a.com>
Subject: [PATCH RFC net-next v4 07/12] hv_sock: add netns hooks

From: Bobby Eshleman <bobbyeshleman@...a.com>

Make NS changes not break hyperv. Guest vsocks still remain in the
global namespace always, so the behavior is unchanged.

Signed-off-by: Bobby Eshleman <bobbyeshleman@...a.com>
---
 net/vmw_vsock/hyperv_transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index 432fcbbd14d4..8862297b09a7 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -313,7 +313,7 @@ static void hvs_open_connection(struct vmbus_channel *chan)
 		return;

 	hvs_addr_init(&addr, conn_from_host ? if_type : if_instance);
-	sk = vsock_find_bound_socket(&addr);
+	sk = vsock_find_bound_socket(&addr, vsock_global_net());
 	if (!sk)
 		return;

-- 
2.47.3