Re: [PATCH 09/12] dma-direct: remove __dma_to_phys

2020-09-11 Thread Christoph Hellwig
On Thu, Sep 10, 2020 at 02:26:03PM +0100, Robin Murphy wrote: > On 2020-09-08 17:47, Christoph Hellwig wrote: >> There is no harm in just always clearing the SME encryption bit, while >> significantly simplifying the interface. > > After a 10-minute diversion into "but hang on, force_dma_unencrypte

Re: [PATCH 09/12] dma-direct: remove __dma_to_phys

2020-09-10 Thread Robin Murphy
On 2020-09-08 17:47, Christoph Hellwig wrote: There is no harm in just always clearing the SME encryption bit, while significantly simplifying the interface. After a 10-minute diversion into "but hang on, force_dma_unencrypted() is meaningful on PPC and S390 too..." before realising that it al