ACPI 5.1, ACPI On ARM Are Among The Power Management Updates For Linux 3.17

Written by Michael Larabel in Linux Kernel on 7 August 2014 at 11:10 AM EDT. Add A Comment
LINUX KERNEL
The generally interesting ACPI and power management pull request was sent in for the Linux 3.17 merge window.

The changes corralled by Intel's Rafael Wysocki for the ACPI+PM area of Linux 3.17 include an ACPICA update to bring ACPI 5.1 support, potentially faster hibernation, and basic work towards ACPI on ARM support. The faster hibernation is via using radix trees for storing memory bitmaps.

This pull also has ACPI video updates, various ACPI button fixes, CPUfreq fixes, and other updates. Another prominent change is the faster and more power efficient fix for the CPUfreq on-demand governor.

The full listing of ACPI and power management changes for Linux 3.17 can be found via this mailing list post.
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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 20,000 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, LinkedIn, or contacted via MichaelLarabel.com.

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