linux-kernel - Re: [PATCH] poll: rust: allow poll

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Message-ID: <20250623-gigant-luftraum-ff854d561474@brauner>
Date: Mon, 23 Jun 2025 13:56:27 +0200
From: Christian Brauner <brauner@...nel.org>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: Christian Brauner <brauner@...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>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jan Kara <jack@...e.cz>,
	Miguel Ojeda <ojeda@...nel.org>
Subject: Re: [PATCH] poll: rust: allow poll_table ptrs to be null

On Fri, 20 Jun 2025 11:49:35 +0000, Alice Ryhl wrote:
> It's possible for a poll_table to be null. This can happen if an
> end-user just wants to know if a resource has events right now without
> registering a waiter for when events become available. Furthermore,
> these null pointers should be handled transparently by the API, so we
> should not change `from_ptr` to return an `Option`. Thus, change
> `PollTable` to wrap a raw pointer rather than use a reference so that
> you can pass null.
> 
> [...]

Applied to the vfs-6.17.rust branch of the vfs/vfs.git tree.
Patches in the vfs-6.17.rust branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-6.17.rust

[1/1] poll: rust: allow poll_table ptrs to be null
      https://git.kernel.org/vfs/vfs/c/6efbf978891b