svn commit: r290189 - in stable/10/sys: amd64/include i386/include

[Konstantin Belousov]

Author: kib
Date: Fri Oct 30 10:02:57 2015
New Revision: 290189
URL: https://svnweb.freebsd.org/changeset/base/290189

Log:
  MFC r289824:
  Add CLFLUSHOPT instruction wrappers.
  
  MFC r290188:
  Fix prefix on i386.

Modified:
  stable/10/sys/amd64/include/cpufunc.h
  stable/10/sys/i386/include/cpufunc.h
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/amd64/include/cpufunc.h
==============================================================================
--- stable/10/sys/amd64/include/cpufunc.h	Fri Oct 30 09:53:33 2015	(r290188)
+++ stable/10/sys/amd64/include/cpufunc.h	Fri Oct 30 10:02:57 2015	(r290189)
@@ -107,6 +107,13 @@ clflush(u_long addr)
 }
 
 static __inline void
+clflushopt(u_long addr)
+{
+
+	__asm __volatile(".byte 0x66;clflush %0" : : "m" (*(char *)addr));
+}
+
+static __inline void
 clts(void)
 {
 

Modified: stable/10/sys/i386/include/cpufunc.h
==============================================================================
--- stable/10/sys/i386/include/cpufunc.h	Fri Oct 30 09:53:33 2015	(r290188)
+++ stable/10/sys/i386/include/cpufunc.h	Fri Oct 30 10:02:57 2015	(r290189)
@@ -97,6 +97,13 @@ clflush(u_long addr)
 }
 
 static __inline void
+clflushopt(u_long addr)
+{
+
+	__asm __volatile(".byte 0x66;clflush %0" : : "m" (*(char *)addr));
+}
+
+static __inline void
 clts(void)
 {