linux-kernel - [PATCH v1 0/2] RISC-V: enable rust

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Date:   Tue, 7 Mar 2023 10:24:39 +0000
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     <linux-riscv@...ts.infradead.org>
CC:     <conor@...nel.org>, <conor.dooley@...rochip.com>,
        Miguel Ojeda <ojeda@...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>,
        Jonathan Corbet <corbet@....net>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        "Nathan Chancellor" <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, <rust-for-linux@...r.kernel.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <llvm@...ts.linux.dev>
Subject: [PATCH v1 0/2] RISC-V: enable rust

After the authorship debacle on the RFC, I've tried to be even more
careful this time around. Gary opted for a Co-developed-by in the replies
of the RFC stuff, so I have given them one.
I have added SoB's too, but if that is not okay Gary, then please scream
loudly.

As this is lifted from the state of the Rust-for-Linux tree, the commit
messages from there cannot be preserved, so these patches have commit
messages that I wrote.

I've tested this on Icicle, and the modules seem to work as expected.
Unfortunately there appear to be implicit 32-bit divisions (or similar)
in core Rust code, so, as in the downstream Rust-for-Linux tree, Rust is
only enabled for 64-bit.

Thanks,
Conor.

Changes in v1:
- rebase on v6.3-rc1
- resort the `um` entry in the arch-support table while adding RISC-V
  to it
- drop 32-bit bits
- have another crack at assigning authorship

Changes in RFC-RESEND:
- fix the asymmetrical additions in the Makefile bits
- add cc-cover to my git send-email command...

CC: Miguel Ojeda <ojeda@...nel.org>
CC: Alex Gaynor <alex.gaynor@...il.com>
CC: Wedson Almeida Filho <wedsonaf@...il.com>
CC: Boqun Feng <boqun.feng@...il.com>
CC: Gary Guo <gary@...yguo.net>
CC: Björn Roy Baron <bjorn3_gh@...tonmail.com>
CC: Jonathan Corbet <corbet@....net>
CC: Paul Walmsley <paul.walmsley@...ive.com>
CC: Palmer Dabbelt <palmer@...belt.com>
CC: Nathan Chancellor <nathan@...nel.org>
CC: Nick Desaulniers <ndesaulniers@...gle.com>
CC: Tom Rix <trix@...hat.com>
CC: rust-for-linux@...r.kernel.org
CC: linux-doc@...r.kernel.org
CC: linux-kernel@...r.kernel.org
CC: linux-riscv@...ts.infradead.org
CC: llvm@...ts.linux.dev

Miguel Ojeda (2):
  scripts: generate_rust_target: enable building on RISC-V
  RISC-V: enable building 64-bit kernels with rust support

 Documentation/rust/arch-support.rst |  3 ++-
 arch/riscv/Kconfig                  |  1 +
 arch/riscv/Makefile                 |  2 ++
 scripts/generate_rust_target.rs     | 16 ++++++++++++++++
 4 files changed, 21 insertions(+), 1 deletion(-)

-- 
2.39.2