OpenRISC SMP Support Is Getting Into Shape
Written by Michael Larabel in Linux Kernel on 30 October 2017 at 05:22 AM EDT. Add A Comment
LINUX KERNEL --
While the OpenRISC architecture has been supported by the mainline Linux kernel, it hasn't supported symmetric multi-processing (SMP) for multi-core designs, but that is in the process of being changed.

Developer Stafford Horne sent out the latest set of patches for adding SMP/multi-core support to the OpenRISC code within the Linux kernel. This is based on work going back to 2012. So far this OpenRISC SMP support has been tested under QEMU. SMP has been supported by the OpenRISC architecture itself since version 1.2 of the ISA.

These latest OpenRISC SMP patches are being reviewed now on the kernel mailing list but at this point isn't clear if it will be ready for Linux 4.15.

Meanwhile, RISC-V is hoping to be mainlined in time for the upcoming 4.15 cycle.

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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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