linux-kernel - Re: [PATCH v2 1/1] libnvdimm/e820: Add a new parameter to configure many regions per e820 entry

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Message-ID: <6807f0bfbe589_71fe2944d@dwillia2-xfh.jf.intel.com.notmuch>
Date: Tue, 22 Apr 2025 12:40:47 -0700
From: Dan Williams <dan.j.williams@...el.com>
To: Dan Williams <dan.j.williams@...el.com>, Pasha Tatashin
	<pasha.tatashin@...een.com>
CC: Michal Clapinski <mclapinski@...gle.com>, Vishal Verma
	<vishal.l.verma@...el.com>, Dave Jiang <dave.jiang@...el.com>, Ira Weiny
	<ira.weiny@...el.com>, Jonathan Corbet <corbet@....net>,
	<nvdimm@...ts.linux.dev>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/1] libnvdimm/e820: Add a new parameter to configure
 many regions per e820 entry

Dan Williams wrote:
[..]
> I think it is solvable and avoids continuing to stress the kernel
> command line interface where ACPI can takeover. At a minimum confirm
> whether amending initrds is a non-starter in your environment.

When I say "it is solvable" I am specifically referring to tweaks to the
NFIT driver to get it to operate without an ACPI0012 device or otherwise
tweak the table injection code to automate adding an ACPI0012 device
when an ACPI NFIT is injected.