From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, x86@kernel.org, boaz@plexistor.com,
axboe@kernel.dk
Subject: Re: another pmem variant
Date: Wed, 25 Mar 2015 15:02:42 -0600 [thread overview]
Message-ID: <1427317362.4200.2.camel@theros.lm.intel.com> (raw)
In-Reply-To: <1427299449-26722-1-git-send-email-hch@lst.de>
On Wed, 2015-03-25 at 17:04 +0100, Christoph Hellwig wrote:
> Here is another version of the same trivial pmem driver, because two
> obviously aren't enough. The first patch is the same pmem driver
> that Ross posted a short time ago, just modified to use platform_devices
> to find the persistant memory region instead of hardconding it in the
> Kconfig. This allows to keep pmem.c separate from any discovery mechanism,
> but still allow auto-discovery.
>
> The other two patches are a heavily rewritten version of the code that
> Intel gave to various storage vendors to discover the type 12 (and earlier
> type 6) nvdimms, which I massaged into a form that is hopefully suitable
> for mainline.
>
> Note that pmem.c really is the minimal version as I think we need something
> included ASAP. We'll eventually need to be able to do other I/O from and
> to it, and as most people know everyone has their own preferre method to
> do it, which I'd like to discuss once we have the basic driver in.
>
> This has been tested both with a real NVDIMM on a system with a type 12
> capable bios, as well as with "fake persistent" memory using the memmap=
> option.
>
For the series:
Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com>
prev parent reply other threads:[~2015-03-25 21:02 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-25 16:04 another pmem variant Christoph Hellwig
2015-03-25 16:04 ` [PATCH 1/3] pmem: Initial version of persistent memory driver Christoph Hellwig
2015-03-25 20:19 ` Paul Bolle
2015-03-25 20:26 ` Ross Zwisler
2015-03-26 8:04 ` Christoph Hellwig
2015-03-25 20:21 ` Ross Zwisler
2015-03-26 8:06 ` Christoph Hellwig
2015-05-04 16:43 ` Ross Zwisler
2015-05-07 7:26 ` Christoph Hellwig
2015-05-07 8:35 ` Boaz Harrosh
2015-03-25 16:04 ` [PATCH 2/3] x86: add a is_e820_ram() helper Christoph Hellwig
2015-03-26 2:15 ` [Linux-nvdimm] " Dan Williams
2015-03-26 8:01 ` Christoph Hellwig
2015-03-26 13:57 ` Dan Williams
2015-03-26 14:32 ` Christoph Hellwig
2015-03-25 16:04 ` [PATCH 3/3] x86: add support for the non-standard protected e820 type Christoph Hellwig
2015-03-25 19:47 ` Elliott, Robert (Server Storage)
2015-03-26 8:02 ` Christoph Hellwig
2015-03-25 20:23 ` Ross Zwisler
2015-03-25 20:29 ` [Linux-nvdimm] " Dan Williams
2015-03-25 20:25 ` Ross Zwisler
2015-03-26 8:03 ` Christoph Hellwig
2015-03-25 20:35 ` [Linux-nvdimm] " Dan Williams
2015-03-25 16:33 ` [Linux-nvdimm] another pmem variant Dan Williams
2015-03-25 16:44 ` Christoph Hellwig
2015-03-25 17:00 ` Dan Williams
2015-03-25 17:04 ` Christoph Hellwig
2015-03-25 17:18 ` Dan Williams
2015-04-13 9:01 ` Greg KH
2015-04-13 16:02 ` Dan Williams
2015-03-25 18:09 ` Brooks, Adam J
2015-03-25 18:46 ` Christoph Hellwig
2015-03-25 21:02 ` Ross Zwisler [this message]
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