linux-kernel - Re: [PATCH v12 7/8] rust: miscdevice: add mmap support

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Message-ID: <2025011724-borax-letter-93f1@gregkh>
Date: Fri, 17 Jan 2025 13:11:32 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: Miguel Ojeda <ojeda@...nel.org>, Matthew Wilcox <willy@...radead.org>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	John Hubbard <jhubbard@...dia.com>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>, Jann Horn <jannh@...gle.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Trevor Gross <tmgross@...ch.edu>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, rust-for-linux@...r.kernel.org
Subject: Re: [PATCH v12 7/8] rust: miscdevice: add mmap support

On Wed, Jan 15, 2025 at 01:35:10PM +0000, Alice Ryhl wrote:
> Add the ability to write a file_operations->mmap hook in Rust when using
> the miscdevice abstraction. The `vma` argument to the `mmap` hook uses
> the `VmAreaNew` type from the previous commit; this type provides the
> correct set of operations for a file_operations->mmap hook.
> 
> Acked-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com> (for mm bits)
> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
> ---
>  rust/kernel/miscdevice.rs | 45 +++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 45 insertions(+)

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