swiotlb cleanup (resend)
From: Christoph Hellwig
Date: Wed Jul 25 2018 - 07:38:12 EST
Hi Konrad,
below are a few swiotlb patches. Mostly just cleanups, but the removal
of the panic option is an actual change in (rarely used) functionality.
I'd be happy to pick them up through the dma-mapping tree if you are
fine with that.