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

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Message-ID: <CAH5fLghv-CE5DLR=VxQFbC3OJadP+GNPG1QCUKhNKa8nScXgvQ@mail.gmail.com>
Date: Mon, 23 Jun 2025 14:58:55 +0100
From: Alice Ryhl <aliceryhl@...gle.com>
To: Christian Brauner <brauner@...nel.org>
Cc: 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 Mon, Jun 23, 2025 at 12:56 PM Christian Brauner <brauner@...nel.org> wrote:
>
> 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

I just sent a v2, would you be able to pick that up instead? Thanks!