On Wed, Oct 03, 2018 at 02:05:16PM -0500, Steve Wise wrote: > Christoph, Sagi: it seems you think /proc/irq/$IRP/smp_affinity > shouldn't be allowed if drivers support managed affinity. Is that correct? Not just shouldn't, but simply can't. > But as it stands, things are just plain borked if an rdma driver > supports ib_get_vector_affinity() yet the admin changes the affinity via > /proc... I think we need to fix ib_get_vector_affinity to not return anything if the device doesn't use managed irq affinity.