linux-kernel - [tip: locking/core] rust: helpers: Move #define __rust

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Message-ID: <176830137479.510.320717391644609032.tip-bot2@tip-bot2>
Date: Tue, 13 Jan 2026 10:49:34 -0000
From: "tip-bot2 for Alice Ryhl" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Alice Ryhl <aliceryhl@...gle.com>, Boqun Feng <boqun.feng@...il.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject:
 [tip: locking/core] rust: helpers: Move #define __rust_helper out of atomic.c

The following commit has been merged into the locking/core branch of tip:

Commit-ID:     abf2111d8d900c834993d443f59b836291b8d0fc
Gitweb:        https://git.kernel.org/tip/abf2111d8d900c834993d443f59b836291b8d0fc
Author:        Alice Ryhl <aliceryhl@...gle.com>
AuthorDate:    Wed, 07 Jan 2026 14:14:13 
Committer:     Boqun Feng <boqun.feng@...il.com>
CommitterDate: Fri, 09 Jan 2026 19:01:42 +08:00

rust: helpers: Move #define __rust_helper out of atomic.c

In order to support inline helpers [1], we need to have __rust_helper
defined for all helper files. Current we are lucky that atomic.c is the
first file in helpers.c, but this is fragile. Thus, move it to
helpers.c.

[boqun: Reword the commit message and apply file hash changes]

Link: https://lore.kernel.org/r/20260105-define-rust-helper-v2-0-51da5f454a67@google.com [1]
Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
Signed-off-by: Boqun Feng <boqun.feng@...il.com>
Link: https://patch.msgid.link/20260107-move-rust_helper-define-v1-1-4109d58ef275@google.com
---
 rust/helpers/atomic.c                     | 7 +------
 rust/helpers/helpers.c                    | 2 ++
 scripts/atomic/gen-rust-atomic-helpers.sh | 5 -----
 3 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/rust/helpers/atomic.c b/rust/helpers/atomic.c
index cf06b7e..4b24ece 100644
--- a/rust/helpers/atomic.c
+++ b/rust/helpers/atomic.c
@@ -11,11 +11,6 @@
 
 #include <linux/atomic.h>
 
-// TODO: Remove this after INLINE_HELPERS support is added.
-#ifndef __rust_helper
-#define __rust_helper
-#endif
-
 __rust_helper int
 rust_helper_atomic_read(const atomic_t *v)
 {
@@ -1037,4 +1032,4 @@ rust_helper_atomic64_dec_if_positive(atomic64_t *v)
 }
 
 #endif /* _RUST_ATOMIC_API_H */
-// 615a0e0c98b5973a47fe4fa65e92935051ca00ed
+// e4edb6174dd42a265284958f00a7cea7ddb464b1
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 15d7557..a3c42e5 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -7,6 +7,8 @@
  * Sorted alphabetically.
  */
 
+#define __rust_helper
+
 #include "atomic.c"
 #include "atomic_ext.c"
 #include "auxiliary.c"
diff --git a/scripts/atomic/gen-rust-atomic-helpers.sh b/scripts/atomic/gen-rust-atomic-helpers.sh
index 45b1e10..a373215 100755
--- a/scripts/atomic/gen-rust-atomic-helpers.sh
+++ b/scripts/atomic/gen-rust-atomic-helpers.sh
@@ -47,11 +47,6 @@ cat << EOF
 
 #include <linux/atomic.h>
 
-// TODO: Remove this after INLINE_HELPERS support is added.
-#ifndef __rust_helper
-#define __rust_helper
-#endif
-
 EOF
 
 grep '^[a-z]' "$1" | while read name meta args; do