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Disable pybind11's GIL checks #325

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@EthanSteinberg EthanSteinberg commented Jul 16, 2023

pybind11 recently added a feature to assert that the GIL is held during reference counting operations pybind/pybind11#4246

This feature has already uncovered several instances of undefined behavior in several Python extensions.

However, this code does not seem to pass these checks, which is preventing us from upgrading PyTorch to the latest pybind11. See pytorch/pytorch#105245

This PR disables those checks, which will in turn allow PyTorch to upgrade.

Note that this code already has known potential GIL issues:

setenv("TORCH_DISABLE_DEADLOCK_DETECTION", "1", /*overwrite*/ 0);

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Hi @lalaland!

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CC @Skylion007

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Hmm. Not sure why the CLA check is failing. I signed the CLA.

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@EthanSteinberg Is the email address you used to author the commits part of you GH account? that could be causing it.

@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jul 16, 2023
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@Skylion007 Looks like it fixed itself. I guess it just took a second.

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@albanD has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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@albanD merged this pull request in d0032e0.

@EthanSteinberg EthanSteinberg deleted the Lalaland-patch-1 branch July 17, 2023 17:15
pytorchmergebot pushed a commit to pytorch/pytorch that referenced this pull request Jul 17, 2023
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