arm64: Enable EPAN and IESB
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Authored by andrew on Jun 24 2025, 2:27 PM.

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emaste

imp

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manu

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arm64

Commits

rG84d6c08584a5: arm64: Enable EPAN and IESB
rG68b3d0cbe034: arm64: Enable EPAN and IESB

Summary

These are both safe to enable. EPAN only affects PAN when it's enabled,
and IESB makes exception entry and exit an Implicit Error
Synchronization event.

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Repository

rG FreeBSD src repository

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Event Timeline

andrew created this revision.Jun 24 2025, 2:27 PM

Herald added a reviewer: manu. · View Herald TranscriptJun 24 2025, 2:27 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Jun 24 2025, 2:27 PM

Harbormaster completed remote builds in B65054: Diff 157522.Jun 24 2025, 2:27 PM

andrew added a parent revision: D51012: arm64: Set the endian without a memory access.Jun 24 2025, 2:27 PM

This revision was not accepted when it landed; it landed in state Needs Review.Sep 19 2025, 10:37 AM

Closed by commit rG68b3d0cbe034: arm64: Enable EPAN and IESB (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG68b3d0cbe034: arm64: Enable EPAN and IESB.

andrew added a commit: rG84d6c08584a5: arm64: Enable EPAN and IESB.Jan 14 2026, 12:55 AM

Revision Contents
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sys/

arm64/

include/

armreg.h

2 lines

Diff 162395

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sys/arm64/include/armreg.h

arm64: Enable EPAN and IESBClosedPublicActions