aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/pgtable.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index eccd52406ab..0ff73e7737a 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -132,6 +132,17 @@
#define __S110 PAGE_SHARED_EXEC
#define __S111 PAGE_SHARED_EXEC
+/*
+ * early identity mapping pte attrib macros.
+ */
+#ifdef CONFIG_X86_64
+#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC
+#else
+#define PTE_IDENT_ATTR 0x007 /* PRESENT+RW+USER */
+#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */
+#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */
+#endif
+
#ifndef __ASSEMBLY__
/*