From 3080412dc0228db2eb504465f3081af2591068a4 Mon Sep 17 00:00:00 2001
From: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Mon, 11 Nov 2024 20:18:12 +0300
Subject: [PATCH] Change spin lock release functions to do an interlocked
 exchange.

---
 UnleashedRecomp/kernel/imports.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/UnleashedRecomp/kernel/imports.cpp b/UnleashedRecomp/kernel/imports.cpp
index 6821b7b..c5b05f9 100644
--- a/UnleashedRecomp/kernel/imports.cpp
+++ b/UnleashedRecomp/kernel/imports.cpp
@@ -664,7 +664,7 @@ void RtlRaiseException_x()
 void KfReleaseSpinLock(uint32_t* spinLock)
 {
     //printf("!!! STUB !!! KfReleaseSpinLock\n");
-    *spinLock = 0;
+    InterlockedExchange((volatile long*)spinLock, 0);
 }
 
 void KfAcquireSpinLock(uint32_t* spinLock)
@@ -711,7 +711,7 @@ void VdGetSystemCommandBuffer()
 void KeReleaseSpinLockFromRaisedIrql(uint32_t* spinLock)
 {
     //printf("!!! STUB !!! KeReleaseSpinLockFromRaisedIrql\n");
-    *spinLock = 0;
+    InterlockedExchange((volatile long*)spinLock, 0);
 }
 
 void KeAcquireSpinLockAtRaisedIrql(uint32_t* spinLock)