[ofa-general] Re: [PATCH 06/13] QLogic VNIC: IB core stack interaction

 > +#include <rdma/ib_cache.h>

 > +	ret = ib_find_cached_pkey(viport_config->ibdev,
 > +				  viport_config->port,
 > +				  be16_to_cpu(viport_config->path_info.path.
 > +					      pkey),
 > +				  &attr->pkey_index);

I think this can just be replaced with ib_find_pkey()... there is a call
to kmalloc(... GFP_KERNEL) just a couple of lines about, so you are in a
context where sleeping is allowed.  As I said before we want to get rid
of the caching infrastructure so please don't add new users.