How does the toggle work? Is it per thread, CPU affinity, per process, CPU flag ... | Hacker News

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		miohtama on Dec 1, 2020 \| parent \| context \| favorite \| on: ARM and Lock-Free Programming How does the toggle work? Is it per thread, CPU affinity, per process, CPU flag or something totally different?

abbeyj on Dec 1, 2020 [–]

It seems to be a CPU flag. This is managed by the kernel so that it is on for Rosetta 2 processes and off for everything else. See https://github.com/saagarjha/TSOEnabler

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