From bf01feb12119e2ab39e60d8e7f7f257c41e7de6b Mon Sep 17 00:00:00 2001
From: 4lDO2 <4lDO2@protonmail.com>
Date: Wed, 26 Jun 2024 12:50:28 +0200
Subject: [PATCH] Add lock prefix to cmpxchg8b :)

---
 src/data.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data.rs b/src/data.rs
index 244d779a7f..c92942d169 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -471,7 +471,7 @@ mod atomic {
             let mut out_lo;
 
             unsafe {
-                core::arch::asm!("cmpxchg8b [{}]", in(reg) self.0.get(), inout("edx") old_hi => out_hi, inout("eax") old_lo => out_lo, in("ecx") new_hi, in("ebx") new_lo);
+                core::arch::asm!("lock cmpxchg8b [{}]", in(reg) self.0.get(), inout("edx") old_hi => out_hi, inout("eax") old_lo => out_lo, in("ecx") new_hi, in("ebx") new_lo);
             }
 
             if old_hi == out_hi && old_lo == out_lo {