Re: [PATCH V3 01/14] blk-mq: add blk_mq_max_nr_hw_queues()

I'm starting to sound like a broken record, but we can't just do random
is_kdump checks, and it's not going to get better by resending it again and
again.  If kdump kernels limit the number of possible CPUs, it needs to
reflected in cpu_possible_map and we need to use that information.