linux-kernel - [PATCH 1/2] rust: add `pin-init` as a dependency to `bindings` and `uapi`

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Message-ID: <20250520192307.259142-1-lossin@kernel.org>
Date: Tue, 20 May 2025 21:23:05 +0200
From: Benno Lossin <lossin@...nel.org>
To: Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>
Cc: Lyude Paul <lyude@...hat.com>,
	Benno Lossin <lossin@...nel.org>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] rust: add `pin-init` as a dependency to `bindings` and `uapi`

This allows `bindings` and `uapi` to implement `Zeroable` and use other
items from pin-init.

Signed-off-by: Benno Lossin <lossin@...nel.org>
---
 rust/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/rust/Makefile b/rust/Makefile
index 3aca903a7d08..1bee11ad5452 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -513,17 +513,19 @@ $(obj)/ffi.o: private skip_gendwarfksyms = 1
 $(obj)/ffi.o: $(src)/ffi.rs $(obj)/compiler_builtins.o FORCE
 	+$(call if_changed_rule,rustc_library)
 
-$(obj)/bindings.o: private rustc_target_flags = --extern ffi
+$(obj)/bindings.o: private rustc_target_flags = --extern ffi --extern pin_init
 $(obj)/bindings.o: $(src)/bindings/lib.rs \
     $(obj)/ffi.o \
+    $(obj)/pin_init.o \
     $(obj)/bindings/bindings_generated.rs \
     $(obj)/bindings/bindings_helpers_generated.rs FORCE
 	+$(call if_changed_rule,rustc_library)
 
-$(obj)/uapi.o: private rustc_target_flags = --extern ffi
+$(obj)/uapi.o: private rustc_target_flags = --extern ffi --extern pin_init
 $(obj)/uapi.o: private skip_gendwarfksyms = 1
 $(obj)/uapi.o: $(src)/uapi/lib.rs \
     $(obj)/ffi.o \
+    $(obj)/pin_init.o \
     $(obj)/uapi/uapi_generated.rs FORCE
 	+$(call if_changed_rule,rustc_library)
 

base-commit: 22c3335c5dcd33063fe1894676a3a6ff1008d506
-- 
2.49.0