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From: Jan Polensky <japo@linux.ibm.com>
To: hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com,
	ojeda@kernel.org, peterz@infradead.org, jpoimboe@kernel.org,
	jbaron@akamai.com, aliceryhl@google.com
Cc: borntraeger@linux.ibm.com, svens@linux.ibm.com, boqun@kernel.org,
	gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org,
	a.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org,
	rostedt@goodmis.org, ardb@kernel.org, linux-s390@vger.kernel.org,
	rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 0/4] s390: enable Rust support and add required arch glue
Date: Tue, 12 May 2026 12:59:16 +0200	[thread overview]
Message-ID: <20260512105920.2426293-1-japo@linux.ibm.com> (raw)

Rust support on s390 requires a small set of architecture-specific pieces
before the generic Rust kernel infrastructure can be used.

The series wires up s390 as a Rust-capable 64-bit architecture, adds the
missing assembly interfaces needed by Rust for WARN/BUG reporting and for
static branches, and adjusts bindgen parameters to avoid repr layout
conflicts caused by packed and aligned s390 structures.

s390 currently requires a nightly rustc due to -Zpacked-stack, and the
minimum tool version gating is adjusted accordingly.

Jan Polensky (4):
  s390/bug: Provide ARCH_WARN_ASM for Rust WARN/BUG support
  s390/jump_label: Implement ARCH_STATIC_BRANCH_JUMP_ASM and
    ARCH_STATIC_BRANCH_ASM macros
  rust/bindgen_parameters: Mark s390 types as opaque to prevent repr
    conflicts
  s390: enable Rust support

 Documentation/rust/arch-support.rst |  1 +
 arch/s390/Kconfig                   |  1 +
 arch/s390/Makefile                  | 28 ++++++++++++++----------
 arch/s390/include/asm/bug.h         | 12 +++++++++++
 arch/s390/include/asm/jump_label.h  | 33 +++++++++++++++++------------
 rust/Makefile                       |  1 +
 rust/bindgen_parameters             |  7 ++++++
 scripts/generate_rust_target.rs     |  2 ++
 scripts/min-tool-version.sh         |  6 +++++-
 9 files changed, 65 insertions(+), 26 deletions(-)


base-commit: 50897c955902c93ae71c38698abb910525ebdc89
--
2.51.0


             reply	other threads:[~2026-05-12 11:00 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-12 10:59 Jan Polensky [this message]
2026-05-12 10:59 ` [PATCH 1/4] s390/bug: Provide ARCH_WARN_ASM for Rust WARN/BUG support Jan Polensky
2026-05-12 10:59 ` [PATCH 2/4] s390/jump_label: Implement ARCH_STATIC_BRANCH_JUMP_ASM and ARCH_STATIC_BRANCH_ASM macros Jan Polensky
2026-05-12 14:21   ` Gary Guo
2026-05-12 10:59 ` [PATCH 3/4] rust/bindgen_parameters: Mark s390 types as opaque to prevent repr conflicts Jan Polensky
2026-05-12 14:23   ` Gary Guo
2026-05-12 10:59 ` [PATCH 4/4] s390: enable Rust support Jan Polensky
2026-05-12 12:10   ` Miguel Ojeda

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