Re: [PATCH v2 8/8] habanalabs: enable 64-bit DMA mask in POWER9

From: Christoph Hellwig
Date: Tue Jun 11 2019 - 11:22:25 EST

On Tue, Jun 11, 2019 at 11:58:57AM +0200, Greg KH wrote:
> That feels like a big hack. ppc doesn't have any "what arch am I
> running on?" runtime call? Did you ask on the ppc64 mailing list? I'm
> ok to take this for now, but odds are you need a better fix for this
> sometime...

That isn't the worst part of it. The whole idea of checking what I'm
running to set a dma mask just doesn't make any sense at all.