On Sun, 28 Feb 2016, Linus Torvalds wrote: > 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?
I don't think so. > Even DAX doesn't actually need it except for some special cases, iirc. I think so too. > I don't think distributions should necessarily enable it at all yet. Well, they obviously do, for some reason :( > > 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. I'll need to be pacient then :) > So *eventually* we'll support that combination, but for now... Cheers, -- Cristian