Disable WITNESS for spin locks by default.
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Authored by jhb on Sep 10 2020, 9:30 PM.

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imp

Details

Reviewers

mhorne
kp
br
arichardson
imp

Commits

rS365620: Disable WITNESS for spin locks by default.

Summary

This matches all other architectures and removes substantial
overhead.

Obtained from: CheriBSD

Test Plan

booted under qemu

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

jhb created this revision.Sep 10 2020, 9:30 PM

Herald added a subscriber: imp. · View Herald TranscriptSep 10 2020, 9:30 PM

jhb requested review of this revision.Sep 10 2020, 9:30 PM

Harbormaster completed remote builds in B33502: Diff 76908.Sep 10 2020, 9:30 PM

imp accepted this revision.Sep 10 2020, 10:18 PM

This revision is now accepted and ready to land.Sep 10 2020, 10:18 PM

Thanks!

Closed by commit rS365620: Disable WITNESS for spin locks by default. (authored by jhb). · Explain WhySep 11 2020, 12:06 AM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rS365620: Disable WITNESS for spin locks by default..

Revision Contents
Changeset List

Path

Size

head/

sys/

riscv/

conf/

GENERIC

2 lines

Diff 76911

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head/sys/riscv/conf/GENERIC

Disable WITNESS for spin locks by default.ClosedPublicActions