Messages in this thread | | | Date | Wed, 25 Apr 2018 00:09:45 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [GIT PULL] dma mapping fixes for 4.17-rc3 |
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On Tue, 24 Apr 2018, Christoph Hellwig wrote:
> On Tue, Apr 24, 2018 at 11:54:26PM -0700, David Rientjes wrote: > > Shouldn't that test for dev->coherent_dma_mask < DMA_BIT_MASK(32) be more > > accurately <=? > > No, it should really be <. The exactly 32-bit case is already covered > with GFP_DMA32. Eventualy it should be < 24-bit with a separate > GFP_DMA32 case for > 32-bit && < 64-bit. Takashi has been working on > that, but it is 4.18 material. >
Ack, thanks.
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