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arm64: Add a sysctl to read the current exception level
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Authored by markj on Feb 12 2025, 3:32 PM.
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andrew
manu
Summary

This is useful for determining whether VHE is enabled.

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rG FreeBSD src repository
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Buildable 62395
Build 59279: arc lint + arc unit

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markj requested review of this revision.Feb 12 2025, 3:32 PM

What in userspace needs to know about it?

What in userspace needs to know about it?

Nothing in particular, I just wanted a way to tell whether VHE is in use. Is there another way to determine that?

What in userspace needs to know about it?

Nothing in particular, I just wanted a way to tell whether VHE is in use. Is there another way to determine that?

No, but most things shouldn't care

This revision is now accepted and ready to land.Feb 18 2025, 5:16 PM