On Tue, Feb 25, 2025 at 09:16:18AM -0400, Jason Gunthorpe wrote: > On Tue, Feb 25, 2025 at 03:42:28AM +0000, Roman Gushchin wrote: > > > diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c > > index 0ded91f056f3..6998907fc779 100644 > > --- a/drivers/infiniband/core/device.c > > +++ b/drivers/infiniband/core/device.c > > @@ -956,6 +956,7 @@ static int add_one_compat_dev(struct ib_device *device, > > ret = device_add(&cdev->dev); > > if (ret) > > goto add_err; > > + device->groups[2] = NULL; > > ret = ib_setup_port_attrs(cdev); > > if (ret) > > goto port_err; > > That's horrible - but OK, maybe something like that.. > > Does it work? Or does the driver core need groups after the initial > setup? > > Could we have two group lists and link them together? IIRC there was a > way to do that without creating a sub directory It does work. I just sent a decent implementation of this idea, please, take a look. Thank you!
