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

Linux Kernel

Published on 07 August 2014 11:10 AM EDT
Written by Michael Larabel in Linux Kernel
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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.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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