linux-kernel - Re: [PATCH] x86: rust: Disable entry padding with Rust

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Message-ID: <CANiq72kPfDt83AxhO1c9N2Ua+cLCA7xvag7T4N=z+pZUom1evA@mail.gmail.com>
Date: Wed, 31 Jan 2024 00:53:58 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Dave Hansen <dave.hansen@...el.com>
Cc: Matthew Maurer <mmaurer@...gle.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Wedson Almeida Filho <wedsonaf@...il.com>, "H. Peter Anvin" <hpa@...or.com>, Boqun Feng <boqun.feng@...il.com>, 
	Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...sung.com>, 
	Alice Ryhl <aliceryhl@...gle.com>, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org
Subject: Re: [PATCH] x86: rust: Disable entry padding with Rust

On Wed, Jan 31, 2024 at 12:46 AM Dave Hansen <dave.hansen@...el.com> wrote:
>
> Do we need a 'rust-option' equivalent of 'cc-option', like:

No, at least until we start supporting several versions of the Rust
compiler (and the current version will not be in that set, so there is
no need to add complexity and spawning extra processes during the
build).

Cheers,
Miguel