From: Christoph Hellwig <hch@infradead.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: axboe@kernel.dk, linux-nvdimm@ml01.01.org, neilb@suse.de,
gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
Andy Lutomirski <luto@amacapital.net>, Jens Axboe <axboe@fb.com>,
linux-acpi@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
hch@lst.de, mingo@kernel.org
Subject: Re: [PATCH v3 09/21] libnd, nd_pmem: add libnd support to the pmem driver
Date: Sat, 23 May 2015 07:39:35 -0700 [thread overview]
Message-ID: <20150523143935.GA23903@infradead.org> (raw)
In-Reply-To: <20150520205700.32249.9798.stgit@dwillia2-desk3.amr.corp.intel.com>
On Wed, May 20, 2015 at 04:57:00PM -0400, Dan Williams wrote:
> nd_pmem attaches to persistent memory regions and namespaces emitted by
> the libnd subsystem, and, same as the original pmem driver, presents the
> system-physical-address range as a block device.
>
> The existing e820-type-12 to pmem setup is converted to a full libnd bus
> that emits an nd_namespace_io device.
This looks completely bonkers. If you want to pretend the legacy
e820 NVDIMMs fit into your new world do that directly in
arch/x86/kernel/pmem.c instead of splitting it over two files.
next prev parent reply other threads:[~2015-05-23 14:39 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 20:56 [PATCH v3 00/21] libnd: non-volatile memory device support Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 01/21] e820, efi: add ACPI 6.0 persistent memory types Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 02/21] libnd, nfit: initial libnd infrastructure and NFIT support Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-21 13:55 ` Toshi Kani
2015-05-21 13:55 ` Toshi Kani
2015-05-21 15:56 ` Dan Williams
2015-05-21 15:56 ` Dan Williams
2015-05-21 17:25 ` Toshi Kani
2015-05-21 17:25 ` Toshi Kani
2015-05-21 17:49 ` Moore, Robert
2015-05-21 17:49 ` Moore, Robert
2015-05-21 18:01 ` Toshi Kani
2015-05-21 18:01 ` Toshi Kani
2015-05-21 19:06 ` Dan Williams
2015-05-21 19:06 ` Dan Williams
2015-05-21 19:44 ` Toshi Kani
2015-05-21 19:44 ` Toshi Kani
2015-05-21 19:44 ` Toshi Kani
2015-05-21 19:59 ` Toshi Kani
2015-05-21 19:59 ` Toshi Kani
2015-05-21 19:59 ` Toshi Kani
2015-05-21 20:59 ` Linda Knippers
2015-05-21 20:59 ` Linda Knippers
2015-05-21 20:59 ` Linda Knippers
2015-05-21 21:34 ` Dan Williams
2015-05-21 21:34 ` Dan Williams
2015-05-21 21:34 ` Dan Williams
2015-05-21 22:11 ` Toshi Kani
2015-05-21 22:11 ` Toshi Kani
2015-05-22 14:58 ` Moore, Robert
2015-05-22 14:58 ` Moore, Robert
2015-05-22 15:21 ` Toshi Kani
2015-05-22 15:21 ` Toshi Kani
2015-05-22 16:12 ` Moore, Robert
2015-05-22 16:12 ` Moore, Robert
2015-05-20 20:56 ` [PATCH v3 03/21] libnd: control character device and libnd bus sysfs attributes Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 04/21] libnd, nfit: dimm/memory-devices Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 05/21] libnd: control (ioctl) messages for libnd bus and dimm devices Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 06/21] libnd, nd_dimm: dimm driver and base libnd device-driver infrastructure Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 07/21] libnd, nfit: regions (block-data-window, persistent memory, volatile memory) Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:56 ` [PATCH v3 08/21] libnd: support for legacy (non-aliasing) nvdimms Dan Williams
2015-05-20 20:56 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 09/21] libnd, nd_pmem: add libnd support to the pmem driver Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-23 14:39 ` Christoph Hellwig [this message]
2015-05-23 16:59 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 10/21] pmem: Dynamically allocate partition numbers Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 11/21] libnd, nfit: add interleave-set state-tracking infrastructure Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 12/21] libnd: namespace indices: read and validate Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 13/21] libnd: pmem label sets and namespace instantiation Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 14/21] libnd: blk labels " Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-22 18:37 ` Elliott, Robert (Server Storage)
2015-05-22 18:37 ` Elliott, Robert (Server Storage)
2015-05-22 18:37 ` Elliott, Robert (Server Storage)
2015-05-22 18:51 ` Dan Williams
2015-05-22 18:51 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 15/21] libnd: write pmem label set Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 16/21] libnd: write blk " Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 17/21] libnd: infrastructure for btt devices Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 18/21] nd_btt: atomic sector updates Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-22 21:16 ` Elliott, Robert (Server Storage)
2015-05-22 21:16 ` Elliott, Robert (Server Storage)
2015-05-22 21:39 ` Dan Williams
2015-05-22 21:39 ` Dan Williams
2015-05-20 20:57 ` [PATCH v3 19/21] libnd, nfit, nd_blk: driver for BLK-mode access persistent memory Dan Williams
2015-05-20 20:57 ` Dan Williams
2015-05-20 20:58 ` [PATCH v3 20/21] nfit-test: manufactured NFITs for interface development Dan Williams
2015-05-20 20:58 ` Dan Williams
2015-05-25 7:02 ` Elliott, Robert (Server Storage)
2015-05-25 7:02 ` Elliott, Robert (Server Storage)
2015-05-20 20:58 ` [PATCH v3 21/21] libnd: Non-Volatile Devices Dan Williams
2015-05-20 20:58 ` Dan Williams
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