arm64/vmm: Ensure the tlbi has completed
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Authored by andrew on Apr 15 2024, 5:23 PM.

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emaste

imp

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Reviewers

markj
manu

Group Reviewers

arm64

Commits

rGef80df0a7191: arm64/vmm: Ensure the tlbi has completed

Summary

Ensure the TLB is invalidated before enabling the EL2 MMU. Without
this the TLB may be in an inconsistant state leading to a possible
exception when enabling the MMU.

PR: 277559
Sponsored by: Arm Ltd

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 57110
Build 53998: arc lint + arc unit

Event Timeline

andrew created this revision.Apr 15 2024, 5:23 PM

Herald added a reviewer: manu. · View Herald TranscriptApr 15 2024, 5:23 PM

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

andrew requested review of this revision.Apr 15 2024, 5:23 PM

Harbormaster completed remote builds in B57110: Diff 137055.Apr 15 2024, 5:24 PM

markj accepted this revision.Apr 16 2024, 1:12 PM

This revision is now accepted and ready to land.Apr 16 2024, 1:12 PM

Closed by commit rGef80df0a7191: arm64/vmm: Ensure the tlbi has completed (authored by andrew). · Explain WhyApr 24 2024, 6:32 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGef80df0a7191: arm64/vmm: Ensure the tlbi has completed.

Revision Contents
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Path

Size

sys/

arm64/

vmm/

vmm_hyp_exception.S

3 lines

Diff 137055

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sys/arm64/vmm/vmm_hyp_exception.S

arm64/vmm: Ensure the tlbi has completedClosedPublicActions