From: Cyrill Gorcunov <gorcunov@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
David Woodhouse <dwmw2@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86: vm86 - hide X86_VM_MASK from userland programs v2
Date: Thu, 24 Apr 2008 18:41:20 +0400 [thread overview]
Message-ID: <20080424144120.GA7717@cvg> (raw)
X86_VM_MASK is a kernel specific flag so lets hide it from userland programs
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
Index: linux-2.6.git/include/asm-x86/vm86.h
===================================================================
--- linux-2.6.git.orig/include/asm-x86/vm86.h 2008-04-23 22:38:58.000000000 +0400
+++ linux-2.6.git/include/asm-x86/vm86.h 2008-04-24 18:37:13.000000000 +0400
@@ -14,12 +14,6 @@
#include <asm/processor-flags.h>
-#ifdef CONFIG_VM86
-#define X86_VM_MASK X86_EFLAGS_VM
-#else
-#define X86_VM_MASK 0 /* No VM86 support */
-#endif
-
#define BIOSSEG 0x0f000
#define CPU_086 0
@@ -189,6 +183,8 @@ struct kernel_vm86_struct {
#ifdef CONFIG_VM86
+#define X86_VM_MASK X86_EFLAGS_VM
+
void handle_vm86_fault(struct kernel_vm86_regs *, long);
int handle_vm86_trap(struct kernel_vm86_regs *, long, int);
struct pt_regs *save_v86_state(struct kernel_vm86_regs *);
@@ -198,6 +194,8 @@ void release_vm86_irqs(struct task_struc
#else
+#define X86_VM_MASK 0 /* No VM86 support */
+
#define handle_vm86_fault(a, b)
#define release_vm86_irqs(a)
next reply other threads:[~2008-04-24 14:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-24 14:41 Cyrill Gorcunov [this message]
2008-04-24 18:06 ` [PATCH] x86: vm86 - hide X86_VM_MASK from userland programs v2 H. Peter Anvin
2008-04-28 18:23 ` Ingo Molnar
2008-04-28 19:20 ` Ingo Molnar
2008-04-29 13:36 ` Cyrill Gorcunov
2008-04-29 15:29 ` Cyrill Gorcunov
2008-04-29 15:43 ` Cyrill Gorcunov
2008-04-29 15:46 ` H. Peter Anvin
2008-04-29 16:01 ` Cyrill Gorcunov
2008-04-29 16:08 ` Cyrill Gorcunov
2008-04-29 17:44 ` Cyrill Gorcunov
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