linux-kernel - [PATCH v2 22/27] rust: time: add __rust

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Message-ID: <20260105-define-rust-helper-v2-22-51da5f454a67@google.com>
Date: Mon, 05 Jan 2026 12:42:35 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>, 
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Andreas Hindborg <a.hindborg@...nel.org>, FUJITA Tomonori <fujita.tomonori@...il.com>, 
	Frederic Weisbecker <frederic@...nel.org>, Lyude Paul <lyude@...hat.com>, 
	Thomas Gleixner <tglx@...utronix.de>, Anna-Maria Behnsen <anna-maria@...utronix.de>, 
	John Stultz <jstultz@...gle.com>, Stephen Boyd <sboyd@...nel.org>, Fiona Behrens <me@...enk.dev>
Subject: [PATCH v2 22/27] rust: time: add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@...il.com>
Reviewed-by: Gary Guo <gary@...yguo.net>
Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Cc: Andreas Hindborg <a.hindborg@...nel.org>
Cc: Boqun Feng <boqun.feng@...il.com>
Cc: FUJITA Tomonori <fujita.tomonori@...il.com>
Cc: Frederic Weisbecker <frederic@...nel.org>
Cc: Lyude Paul <lyude@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Anna-Maria Behnsen <anna-maria@...utronix.de>
Cc: John Stultz <jstultz@...gle.com>
Cc: Stephen Boyd <sboyd@...nel.org>
Cc: Fiona Behrens <me@...enk.dev>
Cc: Gary Guo <gary@...yguo.net>
---
 rust/helpers/time.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/rust/helpers/time.c b/rust/helpers/time.c
index 67a36ccc3ec48379bc5983e58b1567947c5dcace..32f4959704939c0691bca03bad48b95becf21d10 100644
--- a/rust/helpers/time.c
+++ b/rust/helpers/time.c
@@ -4,37 +4,37 @@
 #include <linux/ktime.h>
 #include <linux/timekeeping.h>
 
-void rust_helper_fsleep(unsigned long usecs)
+__rust_helper void rust_helper_fsleep(unsigned long usecs)
 {
 	fsleep(usecs);
 }
 
-ktime_t rust_helper_ktime_get_real(void)
+__rust_helper ktime_t rust_helper_ktime_get_real(void)
 {
 	return ktime_get_real();
 }
 
-ktime_t rust_helper_ktime_get_boottime(void)
+__rust_helper ktime_t rust_helper_ktime_get_boottime(void)
 {
 	return ktime_get_boottime();
 }
 
-ktime_t rust_helper_ktime_get_clocktai(void)
+__rust_helper ktime_t rust_helper_ktime_get_clocktai(void)
 {
 	return ktime_get_clocktai();
 }
 
-s64 rust_helper_ktime_to_us(const ktime_t kt)
+__rust_helper s64 rust_helper_ktime_to_us(const ktime_t kt)
 {
 	return ktime_to_us(kt);
 }
 
-s64 rust_helper_ktime_to_ms(const ktime_t kt)
+__rust_helper s64 rust_helper_ktime_to_ms(const ktime_t kt)
 {
 	return ktime_to_ms(kt);
 }
 
-void rust_helper_udelay(unsigned long usec)
+__rust_helper void rust_helper_udelay(unsigned long usec)
 {
 	udelay(usec);
 }

-- 
2.52.0.351.gbe84eed79e-goog