Add constant for the DE_CFG MSR on AMD CPUs
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Authored by pmooney_pfmooney.com on Jul 29 2020, 10:13 PM.

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imp

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jhb

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rS365642: Add constant for the DE_CFG MSR on AMD CPUs.

Summary

Considering future references in components such as bhyve, the DE_CFG register could benefit from a named #define rather than being manipulated with a numerical constant.

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rS FreeBSD src repository - subversion

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pmooney_pfmooney.com created this revision.Jul 29 2020, 10:13 PM

Herald added a subscriber: imp. · View Herald TranscriptJul 29 2020, 10:13 PM

I discovered the lack of a #define for this in FreeBSD while investigating 12998 on illumos bhyve (related to OpenBSD guests attempting to access that MSR on AMD hardware)

jhb accepted this revision.Sep 11 2020, 8:30 PM

This revision is now accepted and ready to land.Sep 11 2020, 8:30 PM

Closed by commit rS365642: Add constant for the DE_CFG MSR on AMD CPUs. (authored by jhb). · Explain WhySep 11 2020, 8:32 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rS365642: Add constant for the DE_CFG MSR on AMD CPUs..