On Sun, Sep 20, 2015 at 12:52:43PM +0300, Sagi Grimberg wrote: > The Connect-IB device has a specific issue with memory registration using > the reserved lkey (device global_dma_lkey). This caused user-space memory > registration which usually uses cached pre-registered memory keys to fail > due to a device access error during registration. kernel-space memory > registrations used an internal instance a physical memory key allocated with > the private pd context, so this error didn't happen there. I didn't read in super detail, but this all looks very sane to me. Reviewed-By: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx> Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html