On Fri, Feb 15, 2019 at 07:55:39AM +0100, Hannes Reinecke wrote: >> Yeah, there is a few more. And the sad part is as of a few kernel >> release ago we shouldn't even need the fallback 32-bit dma mask >> anymore - we've cleaned up all the mess that required it. >> > Care to elaborate? > Can you point me to the respective commits facilitating that?
It mostly has been that way for a long time, but we still had a few oddball architectures checking for an exact 32-bit match in their arch specific direct mapping routines. With the move to the generic dma-direct implementation all those got fixed.
