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Date: Fri, 14 Oct 2022 20:05:00 +0200 From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com> To: Sami Tolvanen <samitolvanen@...gle.com> Cc: Peter Zijlstra <peterz@...radead.org>, Miguel Ojeda <ojeda@...nel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, patches@...ts.linux.dev, Jarkko Sakkinen <jarkko@...nel.org>, Kees Cook <keescook@...omium.org>, Alex Gaynor <alex.gaynor@...il.com>, Wedson Almeida Filho <wedsonaf@...gle.com>, David Gow <davidgow@...gle.com>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, Jonathan Corbet <corbet@....net>, 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, "H. Peter Anvin" <hpa@...or.com>, linux-doc@...r.kernel.org Subject: Re: [PATCH v10 25/27] x86: enable initial Rust support On Tue, Oct 11, 2022 at 1:16 AM Sami Tolvanen <samitolvanen@...gle.com> wrote: > > Rust supports IBT with -Z cf-protection=branch, but I don't see this > option being enabled in the kernel yet. Cross-language CFI is going to > require a lot more work though because the type systems are not quite > compatible: > > https://github.com/rust-lang/rfcs/pull/3296 I have pinged Ramon de C Valle as he is the author of the RFC above and implementation work too; since a month or so ago he also leads the Exploit Mitigations Project Group in Rust. Cheers, Miguel
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