On Thu, Aug 31, 2017 at 4:27 AM, Robin Murphy wrote:
> mmio_flush_range() suffers from a lack of clearly-defined semantics,
> and is somewhat ambiguous to port to other architectures where the
> scope of the writeback implied by "flush" and ordering might matter,
> but MMIO would tend to imply non
mmio_flush_range() suffers from a lack of clearly-defined semantics,
and is somewhat ambiguous to port to other architectures where the
scope of the writeback implied by "flush" and ordering might matter,
but MMIO would tend to imply non-cacheable anyway. Per the rationale
in 67a3e8fe9015 ("nd_blk: