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twizzler-operating-system / twizzler

The Twizzler Operating System
BSD 3-Clause "New" or "Revised" License
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Fix CPU feature enabling on older CPUs. #79

Closed dbittman closed 2 years ago

dbittman commented 2 years ago

This commit fixes the kernel's reliance on rd/wrfs/gsbase instructions and falls back to fxsave/etc instructions when xsave is not present.

This addresses #75