linux-kernel - [PATCH v2 1/5] rust: enable the `generic_arg

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Message-Id: <20260121-register-v2-1-79d9b8d5e36a@nvidia.com>
Date: Wed, 21 Jan 2026 16:23:53 +0900
From: Alexandre Courbot <acourbot@...dia.com>
To: Danilo Krummrich <dakr@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Daniel Almeida <daniel.almeida@...labora.com>, 
 Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, 
 Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
 Trevor Gross <tmgross@...ch.edu>
Cc: Yury Norov <yury.norov@...il.com>, John Hubbard <jhubbard@...dia.com>, 
 Alistair Popple <apopple@...dia.com>, 
 Joel Fernandes <joelagnelf@...dia.com>, Timur Tabi <ttabi@...dia.com>, 
 Edwin Peer <epeer@...dia.com>, Eliot Courtney <ecourtney@...dia.com>, 
 Dirk Behme <dirk.behme@...bosch.com>, Steven Price <steven.price@....com>, 
 rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH v2 1/5] rust: enable the `generic_arg_infer` feature

This feature is stable since 1.89, and used in subsequent patches.

Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
 rust/kernel/lib.rs     | 3 +++
 scripts/Makefile.build | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
index 6d637e2fed1b..122ad64880cd 100644
--- a/rust/kernel/lib.rs
+++ b/rust/kernel/lib.rs
@@ -37,6 +37,9 @@
 #![feature(const_ptr_write)]
 #![feature(const_refs_to_cell)]
 //
+// Stable since Rust 1.89.0.
+#![feature(generic_arg_infer)]
+//
 // Expected to become stable.
 #![feature(arbitrary_self_types)]
 //
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 5037f4715d74..8fd0e7096bd1 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -312,12 +312,13 @@ $(obj)/%.lst: $(obj)/%.c FORCE
 #   - Stable since Rust 1.82.0: `feature(asm_const)`,
 #     `feature(offset_of_nested)`, `feature(raw_ref_op)`.
 #   - Stable since Rust 1.87.0: `feature(asm_goto)`.
+#   - Stable since Rust 1.89.0: `feature(generic_arg_infer)`.
 #   - Expected to become stable: `feature(arbitrary_self_types)`.
 #   - To be determined: `feature(used_with_arg)`.
 #
 # Please see https://github.com/Rust-for-Linux/linux/issues/2 for details on
 # the unstable features in use.
-rust_allowed_features := asm_const,asm_goto,arbitrary_self_types,lint_reasons,offset_of_nested,raw_ref_op,used_with_arg
+rust_allowed_features := asm_const,asm_goto,arbitrary_self_types,lint_reasons,offset_of_nested,raw_ref_op,used_with_arg,generic_arg_infer
 
 # `--out-dir` is required to avoid temporaries being created by `rustc` in the
 # current working directory, which may be not accessible in the out-of-tree

-- 
2.52.0