Re: [PATCH] dma: replace single-char identifiers in macros

[Christoph Hellwig]

On Tue, May 28, 2019 at 05:30:41PM -0400, Qian Cai wrote:
> There are a few macros in DMA have single-char identifiers make the code
> hard to read. Replace them with meaningful names.

Well, this code isn't really supposed to be read much, it just has
minimal stubs.  and dmar.h is not related at all to the dma-mapping
subsystem.