Linux 4.2 Will Bring LIBNVDIMM Support For Non-Volatile Memory Devices
Written by Michael Larabel in Linux Kernel on 27 June 2015 at 09:50 PM EDT. 1 Comment
LINUX KERNEL --
Non-volatile memory device support will be added through libnvdimm for the Linux 4.2 kernel. Libnvdimm is a new subsystem for the Linux 4.2 kernel and contains drivers and x86 support.

The libnvdimm subsystem is about supporting ACPI 6 non-volatile memory devices. ACPI 6.0 adds a NVDIMM firmware interface table (NFIT) and support for registering non-volatile memory devices.

One of the drivers made part of this subsystem is the PMEM driver from Linux 4.1 for persistent memory. There's also a BLK driver for persistent memory media through "Block Data Windows" and BTT.

More details on the new non-volatile memory device support for Linux 4.2 can be found via this pull request.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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