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From: Ingo Molnar <mingo@kernel.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Boaz Harrosh <boaz@plexistor.com>,
	Matthew Wilcox <willy@linux.intel.com>,
	Ingo Molnar <mingo@redhat.com>,
	Ross Zwisler <ross.zwisler@linux.intel.com>,
	x86@kernel.org, linux-kernel <linux-kernel@vger.kernel.org>,
	"Roger C. Pao" <rcpao.enmotus@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-nvdimm <linux-nvdimm@ml01.01.org>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [Linux-nvdimm] [PATCH 0/2] e820: Fix handling of NvDIMM chips
Date: Thu, 19 Feb 2015 11:01:51 +0100	[thread overview]
Message-ID: <20150219100151.GA591@gmail.com> (raw)
In-Reply-To: <CAPcyv4jaqqgvjQC+QKvUohM7mAXAsZKbKntCEaiTozCCqwmFyA@mail.gmail.com>


* Dan Williams <dan.j.williams@intel.com> wrote:

> On Wed, Feb 18, 2015 at 4:47 PM, Christoph Hellwig <hch@infradead.org> wrote:
> > 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.
> 
> Yes, as I agreed with Ingo, allowing a driver to assume 
> control of an unknown memory type with a warning or a 
> kernel taint seems fine.

If someone cooks up such a patch I can apply it.

Thanks,

	Ingo

  reply	other threads:[~2015-02-19 10:02 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-16 11:07 [PATCH 0/2] e820: Fix handling of NvDIMM chips Boaz Harrosh
2015-02-16 11:13 ` [PATCH 1/2] e820: Don't let unknown DIMM type come out BUSY Boaz Harrosh
2015-02-16 11:16 ` [RFC 2/2] e820: Add the NvDIMM Memory type (type-12) Boaz Harrosh
2015-02-16 11:24 ` [PATCH 3/3] pmem: Allow request_mem to fail, (CONFIG_BLK_DEV_PMEM_IGNORE_REQUEST_MEM_RET) Boaz Harrosh
2015-02-17 20:52   ` Ross Zwisler
2015-02-18  9:58     ` Boaz Harrosh
2015-02-16 22:03 ` [Linux-nvdimm] [PATCH 0/2] e820: Fix handling of NvDIMM chips Matthew Wilcox
2015-02-17  8:42   ` Boaz Harrosh
2015-02-18 18:15     ` Dan Williams
2015-02-18 18:30       ` Ingo Molnar
2015-02-18 18:44         ` Dan Williams
2015-02-18 18:53           ` Ingo Molnar
2015-02-18 19:18             ` Dan Williams
2015-02-18 19:27               ` Ingo Molnar
2015-02-18 19:35                 ` Dan Williams
2015-02-19 10:27                   ` Boaz Harrosh
2015-02-19 10:30                     ` Ingo Molnar
2015-02-19  0:47       ` Christoph Hellwig
2015-02-19  1:03         ` Dan Williams
2015-02-19 10:01           ` Ingo Molnar [this message]
2015-02-19 10:29             ` Boaz Harrosh
2015-02-19 10:31               ` Ingo Molnar
2015-02-19 10:40                 ` Boaz Harrosh
2015-02-19  9:25         ` Boaz Harrosh
2015-02-22 16:27           ` Christoph Hellwig
2015-02-22 17:05             ` Boaz Harrosh
2015-02-22 17:15               ` Boaz Harrosh

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