Messages in this thread | | | Date | Mon, 28 May 2018 07:33:38 +0200 | From | Christoph Hellwig <> | Subject | Re: [RFC PATCH] m68k: set dma and coherent masks for Macintosh SONIC based ethernet |
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On Sat, May 26, 2018 at 09:15:05PM -0700, Guenter Roeck wrote: > Good point. Maybe it would be better to limit the warning to SMP systems > instead of (unnecessarily) fixing drivers all over the place ?
No. The coherent_dma_mask is the mask used for dma_alloc_coherent and dma_alloc_attrs. It has nothing to do with cache coherent in SMP systems.
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