Re: [PATCH 04/15] libnvdimm, nfit, nd_blk: driver for BLK-mode access persistent memory

Christoph Hellwig
2015-06-21T13:56:09Z

On Sun, Jun 21, 2015 at 06:31:38AM -0700, Dan Williams wrote:
> > As mentioned last time only arch asm/ headers may include asm-generic
> > headers.
>
> No, not in this case, there's no other way to define readq()/writeq()
> on 32-bit builds. See:

Oh my god. I think we're both right: no driver should use asm-generic,
but because someone totally messed this abstraction up you have no choice.

We really should have a linux/*.h header for these that just does the
right thing.

Btw, what's the reason you're using the hi-lo ordering unlikely everyone
else? IMHO that should be an arch and not a driver choice.
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