x86: cleanup - rename VM_MASK to X86_VM_MASK

This patch renames VM_MASK to X86_VM_MASK (which
in turn defined as alias to X86_EFLAGS_VM) to better
distinguish from virtual memory flags. We can't just
use X86_EFLAGS_VM instead because it is also used
for conditional compilation

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index e779f2b..24ec061 100644
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -170,7 +170,7 @@
 static inline int user_mode_vm(struct pt_regs *regs)
 {
 #ifdef CONFIG_X86_32
-	return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & VM_MASK)) >=
+	return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
 		USER_RPL;
 #else
 	return user_mode(regs);
@@ -180,7 +180,7 @@
 static inline int v8086_mode(struct pt_regs *regs)
 {
 #ifdef CONFIG_X86_32
-	return (regs->flags & VM_MASK);
+	return (regs->flags & X86_VM_MASK);
 #else
 	return 0;	/* No V86 mode support in long mode */
 #endif
diff --git a/include/asm-x86/vm86.h b/include/asm-x86/vm86.h
index a2be241..f5f3dc4 100644
--- a/include/asm-x86/vm86.h
+++ b/include/asm-x86/vm86.h
@@ -17,9 +17,9 @@
 #define IOPL_MASK	0x00003000
 #define NT_MASK		0x00004000
 #ifdef CONFIG_VM86
-#define VM_MASK		0x00020000
+#define X86_VM_MASK	X86_EFLAGS_VM
 #else
-#define VM_MASK		0 /* ignored */
+#define X86_VM_MASK	0 /* No VM86 support */
 #endif
 #define AC_MASK		0x00040000
 #define VIF_MASK	0x00080000	/* virtual interrupt flag */