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GeezerVison is showing github.com — gh-117657: Avoid race in `PAUSE_ADAPTIVE_COUNTER` in free-threaded build by colesbury · Pull Request #122190 · python/cpython

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@colesbury

@colesbury colesbury commented Jul 23, 2024 •
edited by bedevere-app Bot
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The adaptive counter doesn't do anything currently in the free-threaded build and TSan reports a data race due to concurrent modifications to the counter.

  • Issue: Make TSAN tests pass with the GIL disabled in free-threaded builds #117657

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@colesbury
pythongh-117657: Avoid race in PAUSE_ADAPTIVE_COUNTER in free-threa…
de79820
…ded build

The adaptive counter doesn't do anything currently in the free-threaded
build and TSan reports a data race due to concurrent modifications to
the counter.
@colesbury colesbury added skip news topic-free-threading needs backport to 3.13 only security fixes labels Jul 23, 2024
@colesbury
colesbury requested a review from Fidget-Spinner July 23, 2024 19:17
@colesbury
colesbury requested a review from markshannon as a code owner July 23, 2024 19:17
@bedevere-app bedevere-app Bot added the awaiting core review label Jul 23, 2024
@bedevere-app bedevere-app Bot mentioned this pull request Jul 23, 2024
Make TSAN tests pass with the GIL disabled in free-threaded builds #117657
Closed
@colesbury
Remove _PyEval_EvalFrameDefault suppression
5d99792
Fidget-Spinner
Fidget-Spinner approved these changes Jul 24, 2024
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@Fidget-Spinner Fidget-Spinner left a comment •
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I was wondering why I never saw this race. Seems like it's only instrumentation that triggers it.

(Verified by looking at bytecodes.c and ceval.c)

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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting core review labels Jul 24, 2024
@colesbury
colesbury merged commit 2b163aa into python:main Jul 30, 2024
@miss-islington-app

miss-islington-app Bot commented Jul 30, 2024

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Thanks @colesbury for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13.
🐍🍒⛏🤖

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@bedevere-app bedevere-app Bot removed the awaiting merge label Jul 30, 2024
@colesbury
colesbury deleted the gh-117657-pause-adaptive-counter branch July 30, 2024 17:53
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Jul 30, 2024
@colesbury @miss-islington
pythongh-117657: Avoid race in PAUSE_ADAPTIVE_COUNTER in free-threa…
029a164
…ded build (pythonGH-122190)

The adaptive counter doesn't do anything currently in the free-threaded
build and TSan reports a data race due to concurrent modifications to
the counter.
(cherry picked from commit 2b163aa)

Co-authored-by: Sam Gross <[email protected]>
@bedevere-app

bedevere-app Bot commented Jul 30, 2024

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GH-122475 is a backport of this pull request to the 3.13 branch.

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@bedevere-app bedevere-app Bot removed the needs backport to 3.13 only security fixes label Jul 30, 2024
colesbury added a commit that referenced this pull request Jul 30, 2024
@miss-islington @colesbury
[3.13] gh-117657: Avoid race in PAUSE_ADAPTIVE_COUNTER in free-thre…
8e96d85
…aded build (GH-122190) (#122475)

The adaptive counter doesn't do anything currently in the free-threaded
build and TSan reports a data race due to concurrent modifications to
the counter.
(cherry picked from commit 2b163aa)

Co-authored-by: Sam Gross <[email protected]>
blhsing pushed a commit to blhsing/cpython that referenced this pull request Aug 22, 2024
@colesbury @blhsing
pythongh-117657: Avoid race in PAUSE_ADAPTIVE_COUNTER in free-threa…
3d1bb0d
…ded build (python#122190)

The adaptive counter doesn't do anything currently in the free-threaded
build and TSan reports a data race due to concurrent modifications to
the counter.
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@Fidget-Spinner Fidget-Spinner Fidget-Spinner approved these changes
@markshannon markshannon Awaiting requested review from markshannon markshannon is a code owner

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2 participants

@colesbury @Fidget-Spinner
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