From: Timur Tabi <ttabi@nvidia.com>
To: Joel Fernandes <joelagnelf@nvidia.com>,
"jpoimboe@kernel.org" <jpoimboe@kernel.org>
Cc: "gary@garyguo.net" <gary@garyguo.net>,
"a.hindborg@kernel.org" <a.hindborg@kernel.org>,
"ojeda@kernel.org" <ojeda@kernel.org>,
"boqun.feng@gmail.com" <boqun.feng@gmail.com>,
"patches@lists.linux.dev" <patches@lists.linux.dev>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"tmgross@umich.edu" <tmgross@umich.edu>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"alex.gaynor@gmail.com" <alex.gaynor@gmail.com>,
"benno.lossin@proton.me" <benno.lossin@proton.me>,
John Hubbard <jhubbard@nvidia.com>,
"rust-for-linux@vger.kernel.org" <rust-for-linux@vger.kernel.org>,
"bjorn3_gh@protonmail.com" <bjorn3_gh@protonmail.com>,
"peterz@infradead.org" <peterz@infradead.org>,
"aliceryhl@google.com" <aliceryhl@google.com>,
Alexandre Courbot <acourbot@nvidia.com>,
"dakr@kernel.org" <dakr@kernel.org>,
Alistair Popple <apopple@nvidia.com>
Subject: Re: [PATCH 1/5] objtool/rust: add one more `noreturn` Rust function for Rust 1.87.0
Date: Wed, 14 May 2025 19:46:49 +0000 [thread overview]
Message-ID: <554965650ac2aaa210028d495b06e1ede6aab74d.camel@nvidia.com> (raw)
In-Reply-To: <grdfkevm4nnovdefhn7thydixjtdt2w2aybuvnrtot2jolyte3@pmvcv3vbmmll>
On Wed, 2025-05-14 at 12:14 -0700, Josh Poimboeuf wrote:
> The above warning is in completely different code from the Rust one, so
> they're likely unrelated.
True, but the fall-through is bogus in the C code as well.
> The fallthrough warnings are typically caused by either Clang undefined
> behavior (usually potential divide by zero or negative shift), or a call
> to an unannotated noreturn function.
>
> Timur, can you share your .config and compiler version?
.config: https://pastebin.com/inDHfmbG
ttabi@ttabi:~$ llvm-config --version
18.1.3
ttabi@ttabi:~$ gcc --version
gcc (Ubuntu 14.2.0-4ubuntu2~24.04) 14.2.0
Since I build with LLVM=1, I'm assuming the answer is 18.1.3
next prev parent reply other threads:[~2025-05-14 19:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-02 14:02 [PATCH 0/5] Rust beta (1.87) and nightly (1.88) lint cleanups Miguel Ojeda
2025-05-02 14:02 ` [PATCH 1/5] objtool/rust: add one more `noreturn` Rust function for Rust 1.87.0 Miguel Ojeda
2025-05-13 18:07 ` Joel Fernandes
2025-05-13 21:58 ` Joel Fernandes
2025-05-14 0:22 ` John Hubbard
2025-05-14 0:43 ` Timur Tabi
2025-05-14 14:52 ` Joel Fernandes
2025-05-14 19:14 ` Josh Poimboeuf
2025-05-14 19:46 ` Timur Tabi [this message]
2025-05-15 16:18 ` Josh Poimboeuf
2025-05-15 19:06 ` Timur Tabi
2025-05-15 21:12 ` Kane York
2025-05-15 22:16 ` Josh Poimboeuf
2025-05-15 22:22 ` Timur Tabi
2025-05-20 19:49 ` Miguel Ojeda
2025-05-02 14:02 ` [PATCH 2/5] rust: clean Rust 1.87.0's `clippy::ptr_eq` lints Miguel Ojeda
2025-05-05 9:23 ` Alice Ryhl
2025-05-05 15:25 ` Miguel Ojeda
2025-05-02 14:02 ` [PATCH 3/5] rust: clean Rust 1.88.0's `unnecessary_transmutes` lint Miguel Ojeda
2025-05-02 14:02 ` [PATCH 4/5] rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration Miguel Ojeda
2025-05-02 14:02 ` [PATCH 5/5] rust: clean Rust 1.88.0's `clippy::uninlined_format_args` lint Miguel Ojeda
2025-05-02 16:01 ` Tamir Duberstein
2025-05-02 18:49 ` Benno Lossin
2025-05-05 9:23 ` [PATCH 0/5] Rust beta (1.87) and nightly (1.88) lint cleanups Alice Ryhl
2025-05-06 22:22 ` Miguel Ojeda
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