From: Alice Ryhl <aliceryhl@google.com>
To: Ethan Carter Edwards <ethan@ethancedwards.com>
Cc: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Danilo Krummrich" <dakr@kernel.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"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>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Nathan Chancellor" <nathan@kernel.org>,
"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
"Bill Wendling" <morbo@google.com>,
"Justin Stitt" <justinstitt@google.com>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH v2] rust/kernel/faux: mark Registration methods inline
Date: Tue, 11 Mar 2025 08:06:37 +0000 [thread overview]
Message-ID: <Z8_vDWjk2LpBqLre@google.com> (raw)
In-Reply-To: <jesg4yu7m6fvzmgg5tlsktrrjm36l4qsranto5mdmnucx4pvf3@nhvt4juw5es3>
On Mon, Mar 10, 2025 at 03:51:38PM -0400, Ethan Carter Edwards wrote:
> When building the kernel on Arch Linux using on x86_64 with tools:
> $ rustc --version
> rustc 1.84.0 (9fc6b4312 2025-01-07)
> $ cargo --version
> cargo 1.84.0 (66221abde 2024-11-19)
Is there a reason you didn't drop this from the commit message?
> $ clang --version
> clang version 19.1.7
> Target: x86_64-pc-linux-gnu
>
> The following symbols are generated:
> $ nm vmlinux | rg ' _R' | rustfilt | rg faux
> ffffffff81959ae0 T <kernel::faux::Registration>::new
> ffffffff81959b40 T <kernel::faux::Registration as core::ops::drop::Drop>::drop
>
> However, these Rust symbols are wrappers around bindings in the C faux
> code. Inlining these functions removes the middle-man wrapper function
> After applying this patch, the above function signatures disappear.
>
> Link: https://github.com/Rust-for-Linux/linux/issues/1145
> Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
On v1 I replied with:
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
So you should add that to the commit message when you send a new
version. :)
(Unless there are changes that require me to review it again.)
Alice
next prev parent reply other threads:[~2025-03-11 8:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-10 19:51 [PATCH v2] rust/kernel/faux: mark Registration methods inline Ethan Carter Edwards
2025-03-10 20:03 ` Danilo Krummrich
2025-03-11 8:06 ` Alice Ryhl [this message]
2025-03-12 2:16 ` Ethan Carter Edwards
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