From e260d962bdb189d945ad8f89d1459d6bb26a4d7e Mon Sep 17 00:00:00 2001
From: Piotr Kubaj <pkubaj@FreeBSD.org>
Date: Fri, 3 Jul 2026 11:35:08 +0000
Subject: [PATCH] spinlock.h: add powerpc* support

This is the only change needed for powerpc* support. Tested on powerpc64le.
---
 include/svs/lib/spinlock.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/svs/lib/spinlock.h b/include/svs/lib/spinlock.h
index 3f3b85486..6492a0540 100644
--- a/include/svs/lib/spinlock.h
+++ b/include/svs/lib/spinlock.h
@@ -24,6 +24,8 @@ namespace detail {
 inline void pause() {
 #if defined(__i386__) || defined(__x86_64__)
     __builtin_ia32_pause();
+#elif defined(__powerpc__)
+    asm volatile("or 27,27,27" ::: "memory");
 #else //  __aarch64__
     asm volatile("yield" ::: "memory");
 #endif