Page MenuHomeFreeBSD
Differential D12260

cpufreq(4) hwpstate: Yield CPU awaiting frequency change
ClosedPublic
Actions

Authored by cem on Sep 6 2017, 8:01 PM.
Tags
None
Referenced Files
Unknown Object (File)
Apr 11 2024, 5:08 AM
Unknown Object (File)
Mar 27 2024, 6:24 PM
Unknown Object (File)
Dec 23 2023, 9:59 AM
Unknown Object (File)
Dec 13 2023, 12:06 AM
Unknown Object (File)
Nov 2 2023, 12:08 AM
Unknown Object (File)
Sep 16 2023, 1:34 AM
Unknown Object (File)
Aug 31 2023, 4:21 AM
Unknown Object (File)
Aug 30 2023, 1:09 PM
View All 22 Files
Subscribers
None

Details

Reviewers
avg
jhb
mjoras
truckman
Commits
rS323286: cpufreq(4) hwpstate: Yield CPU awaiting frequency change
Summary

It doesn't seem necessary to busy the CPU while waiting to transition
into a different p-state.

Test Plan

Transitions continue to work (well, P0 and P2), just like before.

Diff Detail

Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 11403
Build 11763: arc lint + arc unit

Event Timeline

cem created this revision.Sep 6 2017, 8:01 PM
truckman accepted this revision.Sep 7 2017, 5:57 PM

Builds fine and doesn't appear to break anything on my Ryzen machine.

This revision is now accepted and ready to land.Sep 7 2017, 5:57 PM
Closed by commit rS323286: cpufreq(4) hwpstate: Yield CPU awaiting frequency change (authored by cem). · Explain WhySep 7 2017, 8:20 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
sys/
x86/
cpufreq/
14 lines

Diff 32743

View Options

sys/x86/cpufreq/hwpstate.c

Loading...