linux-kernel - Re: [PATCH] scripts: generate_rust

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Message-ID: <CANiq72n3OzakTkdWPhxS_nTAtN-9ddeaE3iNcGLnKfqV_4rgnQ@mail.gmail.com>
Date: Wed, 11 Feb 2026 14:26:58 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Tamir Duberstein <tamird@...nel.org>
Cc: Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Boris-Chengbiao Zhou <bobo1239@....de>, Kees Cook <kees@...nel.org>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
	Daniel Almeida <daniel.almeida@...labora.com>, Fiona Behrens <me@...enk.dev>
Subject: Re: [PATCH] scripts: generate_rust_analyzer.py: avoid FD leak

On Tue, Jan 27, 2026 at 2:39 PM Tamir Duberstein <tamird@...nel.org> wrote:
>
> I'm not sure how CPython could close the FD immediately - it would
> require the GC to run, at least? Anyway, agree with you below:

At least it looked to be immediately closed from a quick test I did.

I assume it knows because the temporary goes away and thus the
refcount goes to zero, without needing a GC run:

  https://docs.python.org/3/reference/datamodel.html

> Thanks for reviewing!

You're welcome!

Cheers,
Miguel