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Date: Fri, 2 Oct 2026 15:55:34 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Gary Guo <gary@garyguo.net>, Arnd Bergmann <arnd@arndb.de>,
	Miguel Ojeda <ojeda@kernel.org>, Boqun Feng <boqun@kernel.org>,
	=?iso-8859-1?Q?Bj=F6rn?= Roy Baron <bjorn3_gh@protonmail.com>,
	Benno Lossin <lossin@kernel.org>,
	Andreas Hindborg <a.hindborg@kernel.org>,
	Alice Ryhl <aliceryhl@google.com>, Trevor Gross <tmgross@umich.edu>,
	Danilo Krummrich <dakr@kernel.org>,
	Daniel Almeida <daniel.almeida@collabora.com>,
	Tamir Duberstein <tamird@kernel.org>,
	Alexandre Courbot <acourbot@nvidia.com>,
	Onur =?iso-8859-1?Q?=D6zkan?= <work@onurozkan.dev>,
	rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] rust: misc: use `#[optional]` attribute of
 `#[vtable]` macro
Message-ID: <2026100227-ambiance-stellar-f378@gregkh>
References: <20260811-vtable_macro-v1-0-50c5aab3c211@garyguo.net>
 <20260811-vtable_macro-v1-3-50c5aab3c211@garyguo.net>
 <CANiq72nU8LgH7jYtFRQGdwvNvbdmLNxcP0-5PgMWFUvQ26KRCA@mail.gmail.com>
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In-Reply-To: <CANiq72nU8LgH7jYtFRQGdwvNvbdmLNxcP0-5PgMWFUvQ26KRCA@mail.gmail.com>

On Fri, Oct 02, 2026 at 03:17:13PM +0200, Miguel Ojeda wrote:
> On Tue, Aug 11, 2026 at 3:56 PM Gary Guo <gary@garyguo.net> wrote:
> >
> > Replace the `build_error!(VTABLE_DEFAULT_ERROR)` boilerplate with the
> > `#[optional]` attribute.
> >
> > Signed-off-by: Gary Guo <gary@garyguo.net>
> 
> Arnd, Greg: may I get a quick Acked-by on this patch?
> 
> It is a change that simplifies boilerplate -- no "real" change for
> you; miscdevice is just the example for the series.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>