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From: Andreas Hindborg <a.hindborg@kernel.org>
To: "Alice Ryhl" <aliceryhl@google.com>
Cc: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,  "Alexander Viro"
 <viro@zeniv.linux.org.uk>,  "Arnd Bergmann" <arnd@arndb.de>,  "Miguel
 Ojeda" <ojeda@kernel.org>,  "Boqun Feng" <boqun.feng@gmail.com>,  "Gary
 Guo" <gary@garyguo.net>,  =?utf-8?Q?Bj=C3=B6rn?= Roy Baron
 <bjorn3_gh@protonmail.com>,
  "Benno Lossin" <benno.lossin@proton.me>,  "Trevor Gross"
 <tmgross@umich.edu>,  "Danilo Krummrich" <dakr@kernel.org>,  "Matthew
 Maurer" <mmaurer@google.com>,  "Lee Jones" <lee@kernel.org>,
  <linux-kernel@vger.kernel.org>,  <rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH 5/5] samples: rust_misc_device: Expand the sample to
 support read()ing from userspace
In-Reply-To: <20250311-iov-iter-v1-5-f6c9134ea824@google.com> (Alice Ryhl's
	message of "Tue, 11 Mar 2025 14:25:16 +0000")
References: <20250311-iov-iter-v1-0-f6c9134ea824@google.com>
	<Tfm4k4u95E5X-U3bEYcGAPbGrFqPmDV3F-MsJkvz9QST_luT89M_m27RzR2UG7ajOcfH83xsMIG6KxRWtk4Bwg==@protonmail.internalid>
	<20250311-iov-iter-v1-5-f6c9134ea824@google.com>
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Date: Wed, 19 Mar 2025 21:11:16 +0100
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"Alice Ryhl" <aliceryhl@google.com> writes:

> From: Lee Jones <lee@kernel.org>
>
> A userland application can now operate on the char device with read() in
> order to consume a locally held buffer.  Memory for the buffer is to be
> provisioned and the buffer populated in its subsequently provided
> write() counterpart.
>
> Signed-off-by: Lee Jones <lee@kernel.org>
> Co-developed-by: Alice Ryhl <aliceryhl@google.com>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>


Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>


Best regards,
Andreas Hindborg