Many 64-bit ARM Changes Coming To Linux 4.4 Kernel
Written by Michael Larabel in Arm on 4 November 2015 at 05:14 PM EST. Add A Comment
ARM --
Many 64-bit ARM (ARM64) changes are inbound for the Linux 4.4 kernel.

First up with the Xen feature pull there is support for 64 KiB guest pages on 64-bit ARM along with CPU hot-plug support on ARM.

Also sent in today was the heavy ARM64 updates. Work there includes KAddressSanitizer (KASan) support, a rework of CPU feature detection for ARM64 CPU cores exposing different levels of fuunctionality, support for 16KB pages, native atomics, and a variety of other changes.

Of course, more changes are still pending with the ARM platform updates and more that have yet to be sent out with just being a few days into the Linux 4.4 merge window.

It's great to see the ARM 64-bit support maturing upstream with many -- exciting -- 64-bit ARM boards still working their way out there.
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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 or contacted via MichaelLarabel.com.

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