Messages in this thread |  | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac | Date | Thu, 20 Jun 2019 23:49:20 +1000 |
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Benjamin Herrenschmidt <benh@kernel.crashing.org> writes: > On Wed, 2019-06-19 at 22:32 +1000, Michael Ellerman wrote: >> Christoph Hellwig <hch@lst.de> writes: >> > Any chance this could get picked up to fix the regression? >> >> Was hoping Ben would Ack it. He's still powermac maintainer :) >> >> I guess he OK'ed it in the other thread, will add it to my queue. > > Yeah ack. If I had written it myself, I would have made the DMA bits a > variable and only set it down to 30 if I see that device in the DT > early on, but I can't be bothered now, if it works, ship it :-)
OK, we can do that next release if someone's motivated.
> Note: The patch affects all ppc32, though I don't think it will cause > any significant issue on those who don't need it.
Yeah. We could always hide it behind CONFIG_PPC_PMAC if it becomes a problem.
cheers
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