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AJvYcCVzPy4XNNzSH8hvN6o8CtwKgyGkGDU8nqiOCUGEdbe+ktlSxoOE3EJ3Z23s3RjZOySUH1n1wSPUsc7F+xg+fjp8wKE= X-Gm-Message-State: AOJu0YwJcFOjXjprzAZWEQYqWPcWfOlafqNPMwNReaYDTP74jmuqdbKL hO427eKnhJLML1s6/D5KQAdvvUFFvnG9UQu9IxfB6k7mzajyzjmfvkVqkrh1Uon7G9zI/kuIAKA DEqp1EUAcvODpfYFRD5bvMYB4xw8= X-Google-Smtp-Source: AGHT+IEPaWXpA6bmFKESHiOBiuFGzYAxm69W6WWM8L1uIfwQ+XFOV2DF++TdJgb0DyDbfC7rvCdAhc7gcrok6IqEFcA= X-Received: by 2002:a05:6a20:e609:b0:1c2:8e3f:a5c with SMTP id adf61e73a8af0-1c29825044emr1612336637.35.1720512163784; Tue, 09 Jul 2024 01:02:43 -0700 (PDT) MIME-Version: 1.0 References: <20240528-alice-mm-v7-0-78222c31b8f4@google.com> In-Reply-To: <20240528-alice-mm-v7-0-78222c31b8f4@google.com> From: Miguel Ojeda Date: Tue, 9 Jul 2024 10:02:32 +0200 Message-ID: Subject: Re: [PATCH v7 0/4] Memory management patches needed by Rust Binder To: Alice Ryhl Cc: Miguel Ojeda , Matthew Wilcox , Al Viro , Andrew Morton , Kees Cook , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Greg Kroah-Hartman , =?UTF-8?B?QXJ2ZSBIasO4bm5ldsOlZw==?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Carlos Llamas , Suren Baghdasaryan , Arnd Bergmann , Trevor Gross , linux-mm@kvack.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Christian Brauner Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: F266F100013 X-Stat-Signature: pd78ihjeozxnci16auxgkbiahncedy61 X-Rspam-User: X-HE-Tag: 1720512164-182265 X-HE-Meta: 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 Wv6i5uqt XEs+oVoKoIsRZAaWCy/nVYaus8Oaft6HUwOSyvV1kppSGEDjsoIKXySS9a8ZwmvhJtf57gpzM8OjiXxI3PmfPw3QUL9/Yqcum7MCNeBXxyrTwOIZCsj+2urL1TXAM2KBzgltLHoclK3pJcRBjwjup0Dd5eaD8y5dtqUOXkL3grrer8K5Oz7JPgWhF5JermnyTHjCmJoMcWX7XkfOBMX15AVIFd4YDLiF/bWPLrnNpVd3ohXHc8m78g4yCbBIizTTlOTc6Wth66A//ib8OyTJFUGDCzdhPwaf3jMePLYWZoQ7KQYsUcWYI4iO8OPFmjforaI8Qh0wUsTKQKkcl7+UV4XrQqmaIkvET0XeROXk0keVyk2WiMjamBeGQWCJJk8SAIOkqjEymL3q45AM//7nkqh/dB+/xaGSm/0uL5s2HZjavEkcNZWF323ERqPKhYZwWjrNvYisqq1Gfz9t/MOL1U6zBLHVZn1DOg/xW X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, May 28, 2024 at 4:58=E2=80=AFPM Alice Ryhl w= rote: > > This patchset contains some abstractions needed by the Rust > implementation of the Binder driver for passing data between userspace, > kernelspace, and directly into other processes. > > These abstractions do not exactly match what was included in the Rust > Binder RFC - I have made various improvements and simplifications since > then. Nonetheless, please see the Rust Binder RFC [1] to get an > understanding for how this will be used: > > Users of "rust: add userspace pointers" > and "rust: add typed accessors for userspace pointers": > rust_binder: add binderfs support to Rust binder > rust_binder: add threading support > rust_binder: add nodes and context managers > rust_binder: add oneway transactions > rust_binder: add death notifications > rust_binder: send nodes in transactions > rust_binder: add BINDER_TYPE_PTR support > rust_binder: add BINDER_TYPE_FDA support > rust_binder: add process freezing > > Users of "rust: add abstraction for `struct page`": > rust_binder: add oneway transactions > rust_binder: add vma shrinker > > Links: https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-0-0= 8ba9197f637@google.com/ [1] > Signed-off-by: Alice Ryhl Applied to `rust-next` -- thanks everyone! [ Wrapped docs to 100 and added a few intra-doc links. - Miguel ] [ Fixed typos and added a few intra-doc links. - Miguel ] Cheers, Miguel