Fix non-xen build for: Move the gate page (vsyscall) out of the fixmap area

into user address space, just below PAGE_OFFSET.

From: Gerd Hoffmann <kraxel@suse.de>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

linux-2.6-xen-sparse/include/asm-i386/fixmap.h

@@ -52,7 +52,6 @@
  */
 enum fixed_addresses {
 	FIX_HOLE,
-	FIX_VSYSCALL,
 #ifdef CONFIG_X86_LOCAL_APIC
 	FIX_APIC_BASE,	/* local (CPU) APIC) -- required for SMP or not */
 #endif
@@ -116,14 +115,6 @@ extern void __set_fixmap (enum fixed_addresses idx,
 #define __fix_to_virt(x)	(FIXADDR_TOP - ((x) << PAGE_SHIFT))
 #define __virt_to_fix(x)	((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
 
-/*
- * This is the range that is readable by user mode, and things
- * acting like user mode such as get_user_pages.
- */
-#define FIXADDR_USER_START	(__fix_to_virt(FIX_VSYSCALL))
-#define FIXADDR_USER_END	(FIXADDR_USER_START + PAGE_SIZE)
-
-
 extern void __this_fixmap_does_not_exist(void);
 
 /*

linux-2.6-xen-sparse/include/asm-i386/page.h

@@ -139,6 +139,8 @@ extern int page_is_ram(unsigned long pagenr);
 	((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
 		 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+#define __HAVE_ARCH_GATE_AREA 1
+
 #endif /* __KERNEL__ */
 
 #include <asm-generic/page.h>