64-Bit ARM (AArch64) Gets Refined On Linux 3.13 Kernel
Written by Michael Larabel in Hardware on 11 November 2013 at 12:54 PM EST. 4 Comments
While 64-bit ARM hardware isn't publicly out yet, the AArch64/ARM64 support continues to be improved within the Linux kernel and readying for the onslaught of new, faster ARM devices to appear in 2014.

The latest improvements to the ARM64 support in the mainline Linux kernel include a ticket-based spinlock implementation, big endian support, CPU hot-plugging support (with the Power State Coordinate Interface supported firmware), the virtual address space being extended to 42-bits in the 64K page configuration, improved 32-bit (AArch32) compatibility, code clean-ups, and other minor fixes.

These latest ARM 64-bit improvements were pulled in Git this morning for the Linux 3.13 kernel with its merge window having just opened this weekend.

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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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