Re: [PATCH v10 25/27] x86: enable initial Rust support

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To: "H. Peter Anvin" <hpa@xxxxxxxxx>
Subject: Re: [PATCH v10 25/27] x86: enable initial Rust support
From: comex <comexk@xxxxxxxxx>
Date: Sat, 14 Oct 2023 13:25:12 -0700
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Ramon de C Valle <rcvalle@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Sami Tolvanen <samitolvanen@xxxxxxxxxx>, Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>, Miguel Ojeda <ojeda@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, rust-for-linux@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, patches@xxxxxxxxxxxxxxx, Jarkko Sakkinen <jarkko@xxxxxxxxxx>, Alex Gaynor <alex.gaynor@xxxxxxxxx>, Wedson Almeida Filho <wedsonaf@xxxxxxxxxx>, David Gow <davidgow@xxxxxxxxxx>, Boqun Feng <boqun.feng@xxxxxxxxx>, Gary Guo <gary@xxxxxxxxxxx>, Björn Roy Baron <bjorn3_gh@xxxxxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx
In-reply-to: <5D8CA5EF-F5B0-4911-85B8-A363D9344FA7@zytor.com>
References: <20220927131518.30000-1-ojeda@kernel.org> <20220927131518.30000-26-ojeda@kernel.org> <Y0BfN1BdVCWssvEu@hirez.programming.kicks-ass.net> <CABCJKuenkHXtbWOLZ0_isGewxd19qkM7OcLeE2NzM6dSkXS4mQ@mail.gmail.com> <CANiq72k6s4=0E_AHv7FPsCQhkyxf7c-b+wUtzfjf+Spehe9Fmg@mail.gmail.com> <CABCJKuca0fOAs=E6LeHJiT2LOXEoPvLVKztA=u+ARcw=tbT=tw@mail.gmail.com> <20231012104741.GN6307@noisy.programming.kicks-ass.net> <CABCJKufEagwJ=TQnmVSK07RDjsPUt=3JGtwnK9ASmFqb7Vx8JQ@mail.gmail.com> <202310121130.256F581823@keescook> <CAOcBZOTed1a1yOimdUN9yuuysZ1h6VXa57+5fLAE99SZxCwBMQ@mail.gmail.com> <20231013075005.GB12118@noisy.programming.kicks-ass.net> <CAOcBZOTP_vQuFaqREqy-hkG69aBvJ+xrhEQi_EFKvtsNjne1dw@mail.gmail.com> <CAHk-=wjLUit_gae7anFNz4sV0o2Uc=TD_9P8sYeqMSeW_UG2Rg@mail.gmail.com> <5D8CA5EF-F5B0-4911-85B8-A363D9344FA7@zytor.com>


> On Oct 13, 2023, at 12:00 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> 
> Transparent unions have been standard C since C99.

I don’t think that’s right.  Certainly __attribute__((transparent_union)) is not standard C; are you referring to a different feature?

Follow-Ups:
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: H. Peter Anvin

References:
- [PATCH v10 00/27] Rust support
  - From: Miguel Ojeda
- [PATCH v10 25/27] x86: enable initial Rust support
  - From: Miguel Ojeda
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Peter Zijlstra
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Sami Tolvanen
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Miguel Ojeda
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Sami Tolvanen
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Peter Zijlstra
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Sami Tolvanen
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Kees Cook
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Peter Zijlstra
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Ramon de C Valle
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: Linus Torvalds
- Re: [PATCH v10 25/27] x86: enable initial Rust support
  - From: H. Peter Anvin

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