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

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Message-ID: <20150219103046.GB2819@gmail.com>
Date:	Thu, 19 Feb 2015 11:30:47 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Boaz Harrosh <boaz@...xistor.com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	Ingo Molnar <mingo@...hat.com>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>, x86@...nel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Roger C. Pao" <rcpao.enmotus@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-nvdimm <linux-nvdimm@...ts.01.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [Linux-nvdimm] [PATCH 0/2] e820: Fix handling of NvDIMM chips


* Boaz Harrosh <boaz@...xistor.com> wrote:

> Do you require another redundant message who's purpose is to scare
> people off, like:
>
> 	e820: WARN [mem 0x0000000100000000-0x000000017fffffff] is unknown type 12
> 
> Sure I'll add it

That message looks useful (and not very scary), and also 
emit a warning if such a region is then claimed by a 
driver.

This puts some pressure on both the firmware and the kernel 
side to get their act together, without holding 
functionality hostage.

Thanks,

	Ingo
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