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After commit96567d5dac("net: dsa: dsa2: Add basic support of devlink") I see the following link error with CONFIG_NET_DSA=y and CONFIG_NET_DEVLINK=m: net/built-in.o: In function 'dsa_register_switch': (.text+0xe226b): undefined reference to `devlink_alloc' net/built-in.o: In function 'dsa_register_switch': (.text+0xe2284): undefined reference to `devlink_register' net/built-in.o: In function 'dsa_register_switch': (.text+0xe243e): undefined reference to `devlink_port_register' net/built-in.o: In function 'dsa_register_switch': (.text+0xe24e1): undefined reference to `devlink_port_register' net/built-in.o: In function 'dsa_register_switch': (.text+0xe24fa): undefined reference to `devlink_port_type_eth_set' net/built-in.o: In function 'dsa_dst_unapply.part.8': dsa2.c:(.text.unlikely+0x345): undefined reference to 'devlink_port_unregister' dsa2.c:(.text.unlikely+0x36c): undefined reference to 'devlink_port_unregister' dsa2.c:(.text.unlikely+0x38e): undefined reference to 'devlink_port_unregister' dsa2.c:(.text.unlikely+0x3f2): undefined reference to 'devlink_unregister' dsa2.c:(.text.unlikely+0x3fb): undefined reference to 'devlink_free' Fix this by adding a dependency on MAY_USE_DEVLINK so that CONFIG_NET_DSA get switched to be build as module when CONFIG_NET_DEVLINK=m. Fixes:96567d5dac("net: dsa: dsa2: Add basic support of devlink") Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.