Better ACPI, Power Management For Linux 3.12 Kernel
Written by Michael Larabel in Linux Kernel on 4 September 2013 at 02:26 AM EDT. 6 Comments
The Linux 3.12 kernel will feature improvements to ACPI and power management in general thanks to recent developments.

The ACPI/PM pull request was merged on Tuesday for the Linux 3.12 kernel merge window. Some of the notable highlights include:

- The ACPI PCI hotplug subsystem has been reworked and now includes support for Intel Thunderbolt on systems that use ACPI for signalling of Thunderbolt hot-plug events.

- ACPI core code clean-ups.

- ACPICA was updated to 20130725 and includes fixes, new support, and other improvements.

- ACPI and Xen should now work better to reduce hardware sleep work.

- ACPI fixes.

- The cpufreq on demand governor should now choose target frequencies proportionally to load.

- Various other ACPI and power management improvements.

More details can be learned from the ACPI/PM Linux 3.12 pull.
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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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