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Linux 3.13 Gets A Second Helping Of Power Management

Linux Kernel

Published on 20 November 2013 08:37 AM EST
Written by Michael Larabel in Linux Kernel
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A second pull request has been submitted for the Linux 3.13 kernel that provides further updates to the often less than desirable ACPI and power management code.

Submitted (and pulled) two weeks ago were already big ACPI and PM updates for this next Linux kernel release. However, Rafael Wysocki has now sent in a second ACPI/PM update for Linux 3.13 that's queued up some more changes then and right ahead of the 3.13-rc1 tagging.

Now most of the work in this second Git pull are for fixes, but there's also new hardware support and other changes as part of the update. Among the noteworthy changes include fixing the CPUfreq conservative governor, new processor IDs for intel_idle and Intel TurboStat, new device IDs for the ACPI Low-Power Subsystem (LPSS) driver, an ACPI-based PCI Hot-Plug (ACPIPHP) clean-up, and various other fixes.

The second ACPI/PM pull request for Linux 3.13 can be found via the Indiana kernel mailing list. If power management code doesn't get you excited, there's plenty of other groundbreaking features in Linux 3.13.

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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