From f824321d245ec48e965d03329b877db0817b613d Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Mon, 7 Jul 2003 20:22:47 +0000
Subject: [PATCH] - Fixed FLUSH_TLB for higher optimization levels like -O6.

svn path=/trunk/; revision=5013
---
 reactos/ntoskrnl/include/internal/i386/mm.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/include/internal/i386/mm.h b/reactos/ntoskrnl/include/internal/i386/mm.h
index 39f64854c04..5456fc5e2e1 100644
--- a/reactos/ntoskrnl/include/internal/i386/mm.h
+++ b/reactos/ntoskrnl/include/internal/i386/mm.h
@@ -30,7 +30,14 @@ PULONG MmGetPageEntry(PVOID Address);
 
 #define KERNEL_BASE        (0xc0000000)
 
-#define FLUSH_TLB    __asm__("movl %cr3,%eax\n\tmovl %eax,%cr3\n\t")
+#define FLUSH_TLB   {				\
+			unsigned int tmp;	\
+			__asm__ __volatile__(	\
+			    "movl %%cr3,%0\n\t"	\
+			    "movl %0,%%cr3\n\t"	\
+			    : "=r" (tmp)	\
+			    :: "memory");	\
+		    }
 
 PULONG MmGetPageDirectory(VOID);