AMD's new Zen 6 chips will have a low-power core built from five different generations of Zen
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What we know so far: AMD is taking a different approach with its upcoming Zen 6 processors, introducing a new type of low-power core built from pieces of several earlier Zen designs rather than a single architecture. The change surfaced in a recent Linux kernel patch, which shows how the system identifies and manages these cores. The patch makes clear that the low-power cores are distinct enough to warrant their own classification, rather than being grouped with AMD's existing compact "C" cores.
Patch notes that the system needs a way to properly identify these low-power cores in user space, since they currently show up as "unknown" in the CPU topology.
It also specifies that on supported AMD and Hygon chips, these cores should scale performance using amd_get_highest_perf() instead of the fixed CPPC_HIGHEST_PERF_PERFORMANCE limit,...
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