4bsd: Simplistic time-sharing for interrupt threads.
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Authored by jhb on Jun 28 2022, 10:32 PM.

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Reviewers

kib
markj

Commits

rG40efe74352cf: 4bsd: Simplistic time-sharing for interrupt threads.

Summary

If an interrupt thread runs for a full quantum without yielding the
CPU, demote its priority and schedule a preemption to give other
ithreads a turn.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Passed

Unit

No Test Coverage

Build Status

Buildable 46168
Build 43057: arc lint + arc unit

Event Timeline

jhb created this revision.Jun 28 2022, 10:32 PM

Herald added a subscriber: imp. · View Herald TranscriptJun 28 2022, 10:32 PM

jhb requested review of this revision.Jun 28 2022, 10:32 PM

Harbormaster completed remote builds in B46168: Diff 107507.Jun 28 2022, 10:32 PM

jhb added a parent revision: D35644: ule: Simplistic time-sharing for interrupt threads..Jun 28 2022, 10:32 PM

jhb added a child revision: D35646: Collapse interrupt thread priorities..

jhb edited the summary of this revision. (Show Details)Jul 11 2022, 10:42 PM

Apply some cosmetic fixes from the ULE review.

Harbormaster completed remote builds in B46372: Diff 108041.Jul 11 2022, 10:43 PM

Use SCHED_STAT*

Harbormaster completed remote builds in B46421: Diff 108145.Jul 13 2022, 11:09 PM

kib accepted this revision.Jul 14 2022, 12:57 PM

This revision is now accepted and ready to land.Jul 14 2022, 12:57 PM

Closed by commit rG40efe74352cf: 4bsd: Simplistic time-sharing for interrupt threads. (authored by jhb). · Explain WhyJul 14 2022, 8:16 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rG40efe74352cf: 4bsd: Simplistic time-sharing for interrupt threads..

Revision Contents
Changeset List

Path

Size

sys/

kern/

sched_4bsd.c

37 lines

Diff 107507

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4bsd: Simplistic time-sharing for interrupt threads.ClosedPublicActions