Differential D50366

arm64: Reuse aps_started to simplify SMP boot
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Authored by andrew on May 15 2025, 5:10 PM.

Details

Reviewers

manu

Group Reviewers

arm64

Commits

rG602c858e000d: arm64: Reuse aps_started to simplify SMP boot

Summary

We need to know when all CPUs have booted. Rather than locking and
counting when starting CPUs we can count on the boot CPU to set
smp_started.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 64205
Build 61089: arc lint + arc unit

Event Timeline

andrew created this revision.May 15 2025, 5:10 PM

Herald added a reviewer: manu. · View Herald TranscriptMay 15 2025, 5:10 PM

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

andrew requested review of this revision.May 15 2025, 5:10 PM

Harbormaster completed remote builds in B64205: Diff 155526.May 15 2025, 5:10 PM

andrew added a parent revision: D50365: arm64: Split out the loop to wait for APs.May 15 2025, 5:10 PM

andrew added a child revision: D50367: amr64: Move CPU feature & errata setup earlier.

This revision was not accepted when it landed; it landed in state Needs Review.May 28 2025, 1:35 PM

Closed by commit rG602c858e000d: arm64: Reuse aps_started to simplify SMP boot (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG602c858e000d: arm64: Reuse aps_started to simplify SMP boot.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

mp_machdep.c

29 lines

Diff 155526

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sys/arm64/arm64/mp_machdep.c

arm64: Reuse aps_started to simplify SMP bootClosedPublicActions