From: Valentin Obst <kernel@valentinobst.de>
To: aliceryhl@google.com
Cc: a.hindborg@samsung.com, akpm@linux-foundation.org,
alex.gaynor@gmail.com, arnd@arndb.de, arve@android.com,
benno.lossin@proton.me, bjorn3_gh@protonmail.com,
boqun.feng@gmail.com, brauner@kernel.org, cmllamas@google.com,
gary@garyguo.net, gregkh@linuxfoundation.org,
joel@joelfernandes.org, keescook@chromium.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
maco@android.com, ojeda@kernel.org,
rust-for-linux@vger.kernel.org, surenb@google.com,
tkjos@android.com, viro@zeniv.linux.org.uk, wedsonaf@gmail.com,
Valentin Obst <kernel@valentinobst.de>
Subject: Re: [PATCH v2 2/4] uaccess: always export _copy_[from|to]_user with CONFIG_RUST
Date: Thu, 8 Feb 2024 23:56:08 +0100 [thread overview]
Message-ID: <20240208225608.11987-1-kernel@valentinobst.de> (raw)
In-Reply-To: <20240208-alice-mm-v2-2-d821250204a6@google.com>
> -#else
> extern __must_check unsigned long
> _copy_from_user(void *, const void __user *, unsigned long);
> -#endif
This function is now unconditionally declared, but only defined if
`!defined(INLINE_COPY_FROM_USER) || defined(CONFIG_RUST)`, i.e., in the
common case where it is inlined and Rust is disabled this can lead to
link-time problems if someone decides to use it.
next prev parent reply other threads:[~2024-02-08 22:56 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-08 15:47 [PATCH v2 0/4] Memory management patches needed by Rust Binder Alice Ryhl
2024-02-08 15:47 ` [PATCH v2 1/4] rust: uaccess: add userspace pointers Alice Ryhl
2024-02-08 22:54 ` Valentin Obst
2024-02-09 11:15 ` Alice Ryhl
2024-02-21 11:47 ` Alice Ryhl
2024-02-27 10:05 ` Carlos López
2024-02-27 13:12 ` Alice Ryhl
2024-02-08 15:47 ` [PATCH v2 2/4] uaccess: always export _copy_[from|to]_user with CONFIG_RUST Alice Ryhl
2024-02-08 22:56 ` Valentin Obst [this message]
2024-02-09 14:41 ` Arnd Bergmann
2024-02-09 16:45 ` Valentin Obst
2024-02-10 0:15 ` Kees Cook
2024-02-10 11:07 ` Arnd Bergmann
2024-02-14 10:51 ` Alice Ryhl
2024-02-08 15:47 ` [PATCH v2 3/4] rust: uaccess: add typed accessors for userspace pointers Alice Ryhl
2024-02-08 22:57 ` Valentin Obst
2024-02-09 10:40 ` Alice Ryhl
2024-02-09 17:18 ` Valentin Obst
2024-02-08 15:47 ` [PATCH v2 4/4] rust: add abstraction for `struct page` Alice Ryhl
2024-02-10 4:23 ` Martin Rodriguez Reboredo
2024-02-12 9:36 ` Alice Ryhl
2024-02-12 18:11 ` Martin Rodriguez Reboredo
2024-02-27 8:32 ` Andreas Hindborg
2024-02-27 15:37 ` Matthew Wilcox
2024-02-27 15:56 ` Alice Ryhl
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