[Bug 256781] EC2 Nitro: TSC-low timecounter lags

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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 12 Aug 2025 14:09:17 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781

--- Comment #42 from Colin Percival <cperciva@FreeBSD.org> ---
Ever since 4a432614f68cf35879dbb4ebef089f5b8db95334 (January 2022) we've been
querying the 0x40000010 CPUID leaf which is set by EC2.  Oddly Linux wasn't
using that leaf last time I checked.

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