[Midnightbsd-cvs] src [7952] trunk/sys: add lfence

[laffer1 at midnightbsd.org]

Revision: 7952
          http://svnweb.midnightbsd.org/src/?rev=7952
Author:   laffer1
Date:     2016-09-14 18:19:38 -0400 (Wed, 14 Sep 2016)
Log Message:
-----------
add lfence

Modified Paths:
--------------
    trunk/sys/amd64/include/cpufunc.h
    trunk/sys/i386/include/cpufunc.h

Modified: trunk/sys/amd64/include/cpufunc.h
===================================================================
--- trunk/sys/amd64/include/cpufunc.h	2016-09-14 22:18:44 UTC (rev 7951)
+++ trunk/sys/amd64/include/cpufunc.h	2016-09-14 22:19:38 UTC (rev 7952)
@@ -297,6 +297,13 @@
 }
 
 static __inline void
+lfence(void)
+{
+
+	__asm __volatile("lfence" : : : "memory");
+}
+
+static __inline void
 mfence(void)
 {
 

Modified: trunk/sys/i386/include/cpufunc.h
===================================================================
--- trunk/sys/i386/include/cpufunc.h	2016-09-14 22:18:44 UTC (rev 7951)
+++ trunk/sys/i386/include/cpufunc.h	2016-09-14 22:19:38 UTC (rev 7952)
@@ -162,6 +162,13 @@
 }
 
 static __inline void
+lfence(void)
+{
+
+	__asm __volatile("lfence" : : : "memory");
+}
+
+static __inline void
 mfence(void)
 {