Re: [Linux-nvdimm] [PATCH 0/2] e820: Fix handling of NvDIMM chips

From: Christoph Hellwig
Date: Wed Feb 18 2015 - 19:48:05 EST

On Wed, Feb 18, 2015 at 10:15:32AM -0800, Dan Williams wrote:
> In fact it was originally "type-6" until ACPI 5 claimed that number
> for official use, so these platforms, with early proof-of-concept
> nvdimm support, have already gone through one transition to a new
> number. They need to do the same once an official number for nvdimm
> support is published.
> Put another way, these early platforms are already using out-of-tree
> patches for nvdimm enabling. They can continue to do so, or switch to
> standard methods when the standard is published.

Not supporting hardware that is widely avaiable (I have some, too)
is not very user friendly.

I'll submit a patch allowing a nvdimm_type= kernel option that allows
to detect them, but will do nothing by default. The code needed is very
small and it would be very useful for all kinds of projects.
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