On Sun, Jan 06, 2019 at 11:23:02AM +0200, Gal Pressman wrote: > Drivers that do not provide kernel verbs support should not be used by > ib kernel clients and fail. > In case a device does not implement all mandatory verbs for kverbs usage > mark it as a non kverbs provider and prevent its usage for all clients > except for uverbs. > > The device is marked as a non kverbs provider using the > 'kverbs_provider' flag which should only be set by the core code. > The clients can choose whether kverbs are requested for it usage using > the 'no_kverbs_req' flag which is currently set for uverbs only. > > This patch allows drivers to remove mandatory verbs stubs and simply set > the callback to NULL. The IB device will be registered as a non-kverbs > provider. > > Signed-off-by: Gal Pressman <galpress@xxxxxxxxxx> > --- > drivers/infiniband/core/device.c | 12 ++++++++---- > drivers/infiniband/core/uverbs_main.c | 1 + > include/rdma/ib_verbs.h | 5 +++++ > 3 files changed, 14 insertions(+), 4 deletions(-) > Thanks, Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
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