[v2] Allow inlining C helpers into Rust when using LTO

[PATCH v2 25/27] rust: wait: add __rust_helper to helpers

Posted by Alice Ryhl 1 month ago

This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
---
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Anna-Maria Behnsen <anna-maria@linutronix.de>
---
 rust/helpers/wait.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/helpers/wait.c b/rust/helpers/wait.c
index ae48e33d9da3b0a780722b79b89d8d766efae17b..2dde1e4517809d20d09cb9a355f8005fcb160d4a 100644
--- a/rust/helpers/wait.c
+++ b/rust/helpers/wait.c
@@ -2,7 +2,7 @@
 
 #include <linux/wait.h>
 
-void rust_helper_init_wait(struct wait_queue_entry *wq_entry)
+__rust_helper void rust_helper_init_wait(struct wait_queue_entry *wq_entry)
 {
 	init_wait(wq_entry);
 }

-- 
2.52.0.351.gbe84eed79e-goog

[tip: locking/core] rust: wait: Add __rust_helper to helpers

Posted by tip-bot2 for Alice Ryhl 3 weeks, 4 days ago

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

Commit-ID:     5628f0510a4c64908c5d2f36a676b092e1e5d174
Gitweb:        https://git.kernel.org/tip/5628f0510a4c64908c5d2f36a676b092e1e5d174
Author:        Alice Ryhl <aliceryhl@google.com>
AuthorDate:    Mon, 05 Jan 2026 12:42:38 
Committer:     Boqun Feng <boqun.feng@gmail.com>
CommitterDate: Fri, 09 Jan 2026 19:01:42 +08:00

rust: wait: Add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://patch.msgid.link/20260105-define-rust-helper-v2-25-51da5f454a67@google.com
---
 rust/helpers/wait.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/helpers/wait.c b/rust/helpers/wait.c
index ae48e33..2dde1e4 100644
--- a/rust/helpers/wait.c
+++ b/rust/helpers/wait.c
@@ -2,7 +2,7 @@
 
 #include <linux/wait.h>
 
-void rust_helper_init_wait(struct wait_queue_entry *wq_entry)
+__rust_helper void rust_helper_init_wait(struct wait_queue_entry *wq_entry)
 {
 	init_wait(wq_entry);
 }