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The netiucv driver creates TCP/IP interfaces over IUCV between Linux guests on z/VM and other z/VM entities. Rationale for removal: - NETIUCV connections are only supported for compatibility with earlier versions and not to be used for new network setups, since at least Linux kernel 4.0. - No known active users, use cases, or product dependencies - The driver is no longer relevant for z/VM networking; preferred methods include: * Device pass-through (e.g., OSA, RoCE) * z/VM Virtual Switch (VSWITCH) The IUCV mechanism itself remains supported and is actively used via AF_IUCV, hvc_iucv, and smsg_iucv. Signed-off-by: Nagamani PV <nagamani@linux.ibm.com> Reviewed-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250715074210.3999296-1-wintera@linux.ibm.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>