x86: define architectural characteristics in uaccess.h.

Remove them from the arch-specific file.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/uaccess.h b/include/asm-x86/uaccess.h
index 0c4ab78..f6fa4d8 100644
--- a/include/asm-x86/uaccess.h
+++ b/include/asm-x86/uaccess.h
@@ -441,9 +441,12 @@
 } ____cacheline_aligned_in_smp movsl_mask;
 #endif
 
+#define ARCH_HAS_NOCACHE_UACCESS 1
+
 #ifdef CONFIG_X86_32
 # include "uaccess_32.h"
 #else
+# define ARCH_HAS_SEARCH_EXTABLE
 # include "uaccess_64.h"
 #endif
 
diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h
index 3467749..6fdef39 100644
--- a/include/asm-x86/uaccess_32.h
+++ b/include/asm-x86/uaccess_32.h
@@ -156,8 +156,6 @@
 	return __copy_from_user_ll(to, from, n);
 }
 
-#define ARCH_HAS_NOCACHE_UACCESS
-
 static __always_inline unsigned long __copy_from_user_nocache(void *to,
 				const void __user *from, unsigned long n)
 {
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index b5bacd6..4e3ec00 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -9,8 +9,6 @@
 #include <linux/prefetch.h>
 #include <asm/page.h>
 
-#define ARCH_HAS_SEARCH_EXTABLE
-
 /*
  * Copy To/From Userspace
  */
@@ -180,7 +178,6 @@
 	return copy_user_generic((__force void *)dst, src, size);
 }
 
-#define ARCH_HAS_NOCACHE_UACCESS 1
 extern long __copy_user_nocache(void *dst, const void __user *src,
 				unsigned size, int zerorest);