linux-kernel - Re: [PATCH 2/2] rust: cfi: add support for CFI

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Message-ID: <CAH5fLghu8Gy8copyBgcBknMN7GaikhYZb57M0Ye2_xANW6YzoQ@mail.gmail.com>
Date: Tue, 30 Jul 2024 18:44:01 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Masahiro Yamada <masahiroy@...nel.org>, Nathan Chancellor <nathan@...nel.org>, 
	Nicolas Schier <nicolas@...sle.eu>, Sami Tolvanen <samitolvanen@...gle.com>, 
	Peter Zijlstra <peterz@...radead.org>, Miguel Ojeda <ojeda@...nel.org>, Kees Cook <kees@...nel.org>, 
	Alex Gaynor <alex.gaynor@...il.com>, Wedson Almeida Filho <wedsonaf@...il.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>, 
	Matthew Maurer <mmaurer@...gle.com>, linux-kbuild@...r.kernel.org, 
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org
Subject: Re: [PATCH 2/2] rust: cfi: add support for CFI_CLANG with Rust

On Tue, Jul 30, 2024 at 1:51 PM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> On Tue, Jul 30, 2024 at 11:40 AM Alice Ryhl <aliceryhl@...gle.com> wrote:
> >
> > +       RS_FLAGS_CFI   := -Zsanitizer=kcfi -Zsanitizer-cfi-normalize-integers
>
> Before I forget: this should probably be `RUSTC_...` for consistency
> with the rest (and, in this case, these are flags, so it makes sense
> they target the particular compiler).

Hmm. It seems like the existing variables containing rustc flags just
use RUST not RUSTC in the name?

Alice