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Linux Gaining SMP Support For The OpenPOWER Microwatt
Open-sourced back in 2019 was the OpenPOWER Microwatt as an open-source, soft processor core of Power ISA 3.0 and intended for use on FPGA boards and then there was seemingly short-lived work to fabricate a Microwatt chip and Microwatt also found its way for use within a BMC implementation
Queued up within the Linux PowerPC development tree ahead of the upcoming Linux 6.15 merge window is symmetric multi-processing (SMP) support for the OpenPOWER Microwatt. This Microwatt SMP support is queued up within powerpc/linux.git's "next" branch ahead of the Linux 6.15 merge window opening in late March. This is the first I've heard of Microwatt in some time with the likes of Libre-SOC having failed.
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