[sginsberg] 69531: [NTOS] Global pages may not have been enabled when KeFlushCurrentTb is first called, so don't enable them in there.

Author: sginsberg
Date: Wed Oct 14 20:42:18 2015
New Revision: 69531

URL: http://svn.reactos.org/svn/reactos?rev=69531&view=rev
Log:
[NTOS]
Global pages may not have been enabled when KeFlushCurrentTb is first called, so don't
enable them in there.

Modified:
    trunk/reactos/ntoskrnl/ke/i386/cpu.c

Modified: trunk/reactos/ntoskrnl/ke/i386/cpu.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/cpu.c?rev…
==============================================================================
--- trunk/reactos/ntoskrnl/ke/i386/cpu.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ke/i386/cpu.c	[iso-8859-1] Wed Oct 14 20:42:18 2015
@@ -891,15 +891,15 @@
     {
         ULONG Cr4;
 
-        /* Disable PGE */
-        Cr4 = __readcr4() & ~CR4_PGE;
-        __writecr4(Cr4);
+        /* Disable PGE (Note: may not have been enabled yet) */
+        Cr4 = __readcr4();
+        __writecr4(Cr4 & ~CR4_PGE);
 
         /* Flush everything */
         __writecr3(__readcr3());
 
         /* Re-enable PGE */
-        __writecr4(Cr4 | CR4_PGE);
+        __writecr4(Cr4);
     }
     else
     {