x86: consolidate header guards

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-x86 / segment.h

diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h
index dfc8601c08922f26e6b19a4a28d998a0b1a7c274..ea5f0a8686f7539e32e92f801574454c9b3a6846 100644 (file)
--- a/include/asm-x86/segment.h
+++ b/include/asm-x86/segment.h
@@ -1,5 +1,14 @@
-#ifndef _ASM_X86_SEGMENT_H_
-#define _ASM_X86_SEGMENT_H_
+#ifndef ASM_X86__SEGMENT_H
+#define ASM_X86__SEGMENT_H
+
+/* Constructor for a conventional segment GDT (or LDT) entry */
+/* This is a macro so it can be used in initializers */
+#define GDT_ENTRY(flags, base, limit)                  \
+       ((((base)  & 0xff000000ULL) << (56-24)) |       \
+        (((flags) & 0x0000f0ffULL) << 40) |            \
+        (((limit) & 0x000f0000ULL) << (48-16)) |       \
+        (((base)  & 0x00ffffffULL) << 16) |            \
+        (((limit) & 0x0000ffffULL)))
 
 /* Simple and small GDT entries for booting only */
 
@@ -203,4 +212,4 @@ extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][10];
 #endif
 #endif
 
-#endif
+#endif /* ASM_X86__SEGMENT_H */