On Thu, Sep 15, 2016 at 11:03:24PM +0800, Baoquan He wrote: > This enabling should have been done in normal kernel. It's unnecessary > to enable it again in kdump kernel. > > And clean up the function comments of init_device_table_dma.
Well, no. We don't want to make any assumptions on what the previous kernel did and what it did not. The init_device_table_dma() code should run anyway.
