1 files changed, 14 insertions, 0 deletions
diff --git a/rust/kernel/processor.rs b/rust/kernel/processor.rs
new file mode 100644
index 000000000000..85b49b3614dd
--- /dev/null
+++ b/rust/kernel/processor.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+
+//! Processor related primitives.
+//!
+//! C header: [`include/linux/processor.h`](srctree/include/linux/processor.h)
+
+/// Lower CPU power consumption or yield to a hyperthreaded twin processor.
+///
+/// It also happens to serve as a compiler barrier.
+#[inline]
+pub fn cpu_relax() {
+    // SAFETY: Always safe to call.
+    unsafe { bindings::cpu_relax() }
+}