X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-arch.c;h=e0806155810426f9d580448c1780ccf2606289d5;hb=df679ed627975948b1cee190f4d79c397588c43e;hp=2b03d7af276eff306b71c5f969ec9d1d56cdf860;hpb=1419c1d2d50f039be46a8667351b7738ac4965e4;p=sbcl.git

diff --git a/src/runtime/x86-arch.c b/src/runtime/x86-arch.c
index 2b03d7a..e080615 100644
--- a/src/runtime/x86-arch.c
+++ b/src/runtime/x86-arch.c
@@ -146,7 +146,7 @@ get_spinlock(lispobj *word,int value)
 {
     u32 eax=0;
     do {
-	asm ("xor %0,%0;cmpxchg %1,%2" 
+	asm ("xor %0,%0;lock cmpxchg %1,%2" 
 	     : "=a" (eax)
 	     : "r" (value), "m" (*word)
 	     : "memory", "cc");