new-bus: Add taskqueue_bus to process hot-plug device events
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Authored by jhb on Mar 6 2025, 10:07 PM.

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rG3a54ca5e28d8: new-bus: Add taskqueue_bus to process hot-plug device events
rG44d5f5ed1e95: new-bus: Add taskqueue_bus to process hot-plug device events

Summary

Use a system-wide taskqueue for hot-plug events. This avoids possibly
blocking unrelated events on the thread taskqueue without requiring
multiple driver-specific taskqueues.

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Repository

rG FreeBSD src repository

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Buildable 62804
Build 59688: arc lint + arc unit

Event Timeline

jhb created this revision.Mar 6 2025, 10:07 PM

Herald added a subscriber: olce. · View Herald TranscriptMar 6 2025, 10:07 PM

jhb requested review of this revision.Mar 6 2025, 10:07 PM

Harbormaster completed remote builds in B62804: Diff 151980.Mar 6 2025, 10:07 PM

jhb added a child revision: D49269: pcib: Use taskqueue_bus for hot-plug events instead of a private taskqueue.Mar 6 2025, 10:07 PM

imp accepted this revision.Mar 6 2025, 10:18 PM

This revision is now accepted and ready to land.Mar 6 2025, 10:18 PM

Closed by commit rG44d5f5ed1e95: new-bus: Add taskqueue_bus to process hot-plug device events (authored by jhb). · Explain WhyMar 10 2025, 5:36 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rG44d5f5ed1e95: new-bus: Add taskqueue_bus to process hot-plug device events.

jhb added a commit: rG3a54ca5e28d8: new-bus: Add taskqueue_bus to process hot-plug device events.Apr 29 2025, 6:31 PM

Revision Contents
Changeset List

Path

Size

sys/

kern/

subr_bus.c

3 lines

sys/

taskqueue.h

6 lines

Diff 151980

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sys/kern/subr_bus.c