From 5059b85380595e538c40550184220f81a006f719 Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Mon, 3 Mar 2025 15:13:21 -0500
Subject: [PATCH] kernel/condition_variable: Add a cpu_pause in the
 RemoveFromVariable loop.

All the other spin-loops have this, so this loop should too.
---
 src/system/kernel/condition_variable.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/system/kernel/condition_variable.cpp b/src/system/kernel/condition_variable.cpp
index 1f870066bf..b68dad6062 100644
--- a/src/system/kernel/condition_variable.cpp
+++ b/src/system/kernel/condition_variable.cpp
@@ -147,6 +147,8 @@ ConditionVariableEntry::_RemoveFromVariable()
 		// we do that, we may validly use our cached pointer to the variable.
 		if (try_acquire_spinlock(&variable->fLock))
 			break;
+
+		cpu_pause();
 	}
 
 	// We now hold the variable's lock. Remove ourselves.