On Wed, Feb 10, 2021 at 09:11:49PM +1100, Stephen Rothwell wrote: > Hi all, > > After merging the rdma tree, today's linux-next build (htmldocs) produced > this warning: > > drivers/infiniband/core/device.c:859: warning: Function parameter or member 'dev' not described in 'ib_port_immutable_read' > drivers/infiniband/core/device.c:859: warning: Function parameter or member 'port' not described in 'ib_port_immutable_read' > > Introduced by commit > > 7416790e2245 ("RDMA/core: Introduce and use API to read port immutable data") drivers/infinband is W=1 clean right now in linux-next But how can I build *only* drivers/infiniband using W=1 so I can keep it that way? The rest of the kernel is not clean and creates too much warning noise to be usable, even with my mini config. Just doing a 'make W=1 drivers/infiniband' is sort of OK, but then I end up compiling things twice Does anyone know a good solution? Jason