linux-kernel - Re: [PATCH 3/3] e820: Add the unknown-12 Memory type (DDR3-NvDIMM)

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Message-ID: <CAPcyv4hOgsTHF53ospPdDyN6G6L0C_1NVC6xEVm_mRjocULyJQ@mail.gmail.com>
Date:	Mon, 9 Mar 2015 10:44:09 -0400
From:	Dan Williams <dan.j.williams@...el.com>
To:	Boaz Harrosh <boaz@...xistor.com>
Cc:	Ingo Molnar <mingo@...hat.com>, X86 ML <x86@...nel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Roger C. Pao" <rcpao.enmotus@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-nvdimm <linux-nvdimm@...ts.01.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	Andy Lutomirski <luto@...capital.net>,
	Christoph Hellwig <hch@...radead.org>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>
Subject: Re: [PATCH 3/3] e820: Add the unknown-12 Memory type (DDR3-NvDIMM)

On Mon, Mar 9, 2015 at 7:19 AM, Boaz Harrosh <boaz@...xistor.com> wrote:
> On 03/05/2015 10:56 PM, Dan Williams wrote:
[..]
>> It's not "politics".  Setting standards takes time and the platforms
>> in question simply jumped the gun to enable a proof-of-concept.
>>
>
> So ye, but once you have 100,000 devices out there, then the dichotomy
> between standards-takes-time vs proof-of-concept, becomes politics.

Ok.

...although, I have a question about this "100,000 devices" you quote.
What's not clear to me is how many platforms are shipping with
type-12.  Certainly there are very many NVDIMMs on the market, but
which off-the-shelf systems can one obtain that include type-12
support?  Not that it would change the disposition of this patch, if
platforms are in the field they're "in the field!", just clarifying
that "100,000 devices" is NVDIMMs not type-12 platforms, right?
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