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x86: switch kernel TSC timecounter to RDTSCP on AMD Zen CPUs

Description

x86: switch kernel TSC timecounter to RDTSCP on AMD Zen CPUs

Reported by: many
Tested by: gallatin, mikael, rhurlin
MFC after: 1 week
Sponsored by: The FreeBSD Foundation

Details

Provenance
kibAuthored on Jan 21 2021, 12:53 PM
Parents
rGf7d181543fd9: elf: add some definitions for i386 and amd64 relocations
Branches
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Tags
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