linux-kernel - Re: [PATCH v7 0/2] Rust support for mm_struct, vm_area

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Message-ID: <CAH5fLgg8NDEynr_dgrUQABZAOoSfsBajDRnipiuGu8tH3bFqzA@mail.gmail.com>
Date: Tue, 15 Oct 2024 10:23:03 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Christian Brauner <brauner@...nel.org>
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>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Arnd Bergmann <arnd@...db.de>, 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>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	rust-for-linux@...r.kernel.org, Andreas Hindborg <a.hindborg@...nel.org>, 
	Wedson Almeida Filho <wedsonaf@...il.com>
Subject: Re: [PATCH v7 0/2] Rust support for mm_struct, vm_area_struct, and
 mmap for miscdevice

On Mon, Oct 14, 2024 at 11:30 AM Alice Ryhl <aliceryhl@...gle.com> wrote:
>
> The first patch introduces mm_struct and vm_area_struct abstractions,
> and the second patch uses them for miscdevice.
>
> This updates the vm_area_struct support to use the approach we discussed
> at LPC where there are three different types depending on the kind of
> access you have to the vma. You either have read access, write access,
> or you are initializing it. Each case allows a larger set of operations
> on the vma.
>
> The first patch in this series depends on vfs.rust.file for
> NotThreadSafe. The second patch in this series depends on char-misc-next
> for the base miscdevice implementation.

Adding Christian as FYI due to the vfs.rust.file dependency.

Alice