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GeezerVison is showing github.com — gh-157914: Revert "gh-135871: Reload lock internal state while spinning in `PyMutex_LockTimed` (gh-146064)" by dpdani · Pull Request #158082 · python/cpython

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@dpdani

@dpdani dpdani commented Sep 24, 2026 •
edited by bedevere-app Bot
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This reverts commit daa159f.

  • Issue: Performance regression from PyMutex spin-loop reloading in free-threaded builds #157914

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@dpdani
pythongh-157914: Revert "pythongh-135871: Reload lock internal state …
6ff1422 
…while spinning in `PyMutex_LockTimed` (pythongh-146064)"

This reverts commit daa159f.
@bedevere-app bedevere-app Bot mentioned this pull request Sep 24, 2026
Performance regression from PyMutex spin-loop reloading in free-threaded builds #157914
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@bedevere-app bedevere-app Bot added the awaiting review label Sep 24, 2026
@dpdani

dpdani commented Sep 24, 2026

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I don't think this needs a news entry. Can someone add the label?
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@hugovk

hugovk commented Sep 24, 2026

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Leave the existing NEWS entry and add a new one for this revert: #157914 (comment).
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@dpdani
news
5d3d919
corona10
corona10 approved these changes Sep 26, 2026
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lgtm!

Do you fine with NEWS.d @hugovk ?

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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting review labels Sep 26, 2026
hugovk
hugovk reviewed Sep 26, 2026
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Comment thread Misc/NEWS.d/next/Core_and_Builtins/2026-09-24-17-30-48.gh-issue-157914.5fVJob.rst Resolved

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@corona10 @hugovk
Apply suggestion from @hugovk
53d7a08 
Co-authored-by: Hugo van Kemenade <[email protected]>
@corona10
corona10 enabled auto-merge (squash) September 27, 2026 16:46
@corona10 corona10 added the needs backport to 3.15 bugs and security fixes label Sep 27, 2026
@corona10
corona10 disabled auto-merge September 27, 2026 16:47
@corona10
Fix sphinx-lint error in NEWS entry
8241f7e
@corona10
corona10 enabled auto-merge (squash) September 27, 2026 16:56
@corona10
corona10 merged commit baec764 into python:main Sep 27, 2026
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@miss-islington-app

miss-islington-app Bot commented Sep 27, 2026

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Thanks @dpdani for the PR, and @corona10 for merging it 🌮🎉.. I'm working now to backport this PR to: 3.15.
🐍🍒⛏🤖
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@bedevere-app bedevere-app Bot removed the awaiting merge label Sep 27, 2026
@bedevere-app

bedevere-app Bot commented Sep 27, 2026

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GH-158290 is a backport of this pull request to the 3.15 branch.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.15 bugs and security fixes label Sep 27, 2026
hugovk pushed a commit that referenced this pull request Sep 30, 2026
@miss-islington @dpdani
[3.15] gh-157914: Revert "gh-135871: Reload lock internal state while…
55ab336 
… spinning in `PyMutex_LockTimed` (gh-146064)" (gh-158082) (#158290)

Co-authored-by: Daniele Parmeggiani <[email protected]>
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@hugovk hugovk hugovk left review comments
@corona10 corona10 corona10 approved these changes

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@dpdani @hugovk @corona10
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