On Feb 28, 2016 9:36 AM, "Cristian Ionescu-Idbohrn" < cristian.ionescu-idbo...@axis.com> wrote: > > > "Apparently there is some work under way to allow both ZONE_DEVICE > (needed for DAX) and ZONE_DMA (needed by the sound drivers) to be > supported in the same kernel configuration."
Yeah, but do you actually need or use ZONE_DEVICE? Even DAX doesn't actually need it except for some special cases, iirc. I don't think distributions should necessarily enable it at all yet. > and there may be some hope with: > > http://www.spinics.net/lists/kernel/msg2170767.html > > Is there, Linus? Yes, but that's 4.6 of later. And unlikely to be marked for back porting to stable. So *eventually* we'll support that combination, but for now... Linus
