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From: Danilo Krummrich <dakr@kernel.org>
To: Matthew Maurer <mmaurer@google.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <benno.lossin@proton.me>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Sami Tolvanen" <samitolvanen@google.com>,
	"Timur Tabi" <ttabi@nvidia.com>,
	linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org
Subject: Re: [PATCH v3 1/4] rust: debugfs: Bind DebugFS directory creation
Date: Sat, 3 May 2025 13:58:10 +0200	[thread overview]
Message-ID: <aBYE0rPmS6L6PJbs@polis> (raw)
In-Reply-To: <CAGSQo00hYLubqJy9zkO3_O3b6V15WtmoSybC+Ep5uJeU6k3t4A@mail.gmail.com>

On Fri, May 02, 2025 at 08:48:36AM -0700, Matthew Maurer wrote:
> On Thu, May 1, 2025 at 11:37 PM Danilo Krummrich <dakr@kernel.org> wrote:
> >
> > On Thu, May 01, 2025 at 10:47:41PM +0000, Matthew Maurer wrote:
> > > +/// Owning handle to a DebugFS directory.
> > > +///
> > > +/// This directory will be cleaned up when it goes out of scope.
> > > +///
> > > +/// # Invariants
> > > +///
> > > +/// The wrapped pointer will always be `NULL`, an error, or an owned DebugFS `dentry`.
> > > +#[repr(transparent)]
> > > +pub struct Dir(#[cfg(CONFIG_DEBUG_FS)] *mut bindings::dentry);
> >
> > Should probably use Opaque instead of a raw pointer.
> 
> Opaque usage is problematic here:

Yes, when I wrote this I was back at your v1 in my mind -- the raw pointer is
fine..

  reply	other threads:[~2025-05-03 11:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-01 22:47 [PATCH v3 0/4] rust: DebugFS Bindings Matthew Maurer
2025-05-01 22:47 ` [PATCH v3 1/4] rust: debugfs: Bind DebugFS directory creation Matthew Maurer
2025-05-02  6:37   ` Danilo Krummrich
2025-05-02  7:00     ` Greg Kroah-Hartman
2025-05-02  7:05       ` Danilo Krummrich
2025-05-02  7:11         ` Greg Kroah-Hartman
2025-05-02  7:33           ` Danilo Krummrich
2025-05-02  7:39             ` Danilo Krummrich
2025-05-02 11:55             ` Greg Kroah-Hartman
2025-05-02 16:13               ` Matthew Maurer
2025-05-02 15:48     ` Matthew Maurer
2025-05-03 11:58       ` Danilo Krummrich [this message]
2025-05-02  8:12   ` Benno Lossin
2025-05-02 11:36     ` Greg Kroah-Hartman
2025-05-01 22:47 ` [PATCH v3 2/4] rust: debugfs: Bind file creation for long-lived Display Matthew Maurer
2025-05-02  6:52   ` Danilo Krummrich
2025-05-02 18:07     ` Matthew Maurer
2025-05-03 12:14       ` Danilo Krummrich
2025-05-01 22:47 ` [PATCH v3 3/4] rust: debugfs: Support format hooks Matthew Maurer
2025-05-01 22:47 ` [PATCH v3 4/4] rust: samples: Add debugfs sample Matthew Maurer
2025-05-02  7:01   ` Danilo Krummrich
2025-05-02  7:13     ` Greg Kroah-Hartman
2025-05-02  7:44       ` Danilo Krummrich

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