[PATCH 6/8] x86/vm86: Clean up vm86.h includes

[Brian Gerst]

vm86.h was being implicitly included in alot of places via processor.h, which
in turn got it from math_emu.h.  Break that chain and explicitly include vm86.h
in all files that need it.  Also remove unused vm86 field from math_emu_info.

Signed-off-by: Brian Gerst <brgerst@xxxxxxxxx>
---
 arch/x86/include/asm/math_emu.h | 6 +-----
 arch/x86/include/asm/syscalls.h | 1 +
 arch/x86/kernel/process_32.c    | 1 +
 arch/x86/kernel/signal.c        | 1 +
 arch/x86/kernel/traps.c         | 1 +
 arch/x86/kernel/vm86_32.c       | 1 +
 arch/x86/math-emu/get_address.c | 1 +
 arch/x86/mm/fault.c             | 1 +
 8 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/math_emu.h b/arch/x86/include/asm/math_emu.h
index 031f626..0d9b14f 100644
--- a/arch/x86/include/asm/math_emu.h
+++ b/arch/x86/include/asm/math_emu.h
@@ -2,7 +2,6 @@
 #define _ASM_X86_MATH_EMU_H
 
 #include <asm/ptrace.h>
-#include <asm/vm86.h>
 
 /* This structure matches the layout of the data saved to the stack
    following a device-not-present interrupt, part of it saved
@@ -10,9 +9,6 @@
    */
 struct math_emu_info {
 	long ___orig_eip;
-	union {
-		struct pt_regs *regs;
-		struct kernel_vm86_regs *vm86;
-	};
+	struct pt_regs *regs;
 };
 #endif /* _ASM_X86_MATH_EMU_H */
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 592a6a6..91dfcaf 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -37,6 +37,7 @@ asmlinkage long sys_get_thread_area(struct user_desc __user *);
 asmlinkage unsigned long sys_sigreturn(void);
 
 /* kernel/vm86_32.c */
+struct vm86_struct;
 asmlinkage long sys_vm86old(struct vm86_struct __user *);
 asmlinkage long sys_vm86(unsigned long, unsigned long);
 
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index f73c962..c13df2c 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -53,6 +53,7 @@
 #include <asm/syscalls.h>
 #include <asm/debugreg.h>
 #include <asm/switch_to.h>
+#include <asm/vm86.h>
 
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
 asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread");
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index bfd736e..07eb844 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -31,6 +31,7 @@
 #include <asm/vdso.h>
 #include <asm/mce.h>
 #include <asm/sighandling.h>
+#include <asm/vm86.h>
 
 #ifdef CONFIG_X86_64
 #include <asm/proto.h>
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 8e65d8a..86a82ea 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -62,6 +62,7 @@
 #include <asm/fpu/xstate.h>
 #include <asm/trace/mpx.h>
 #include <asm/mpx.h>
+#include <asm/vm86.h>
 
 #ifdef CONFIG_X86_64
 #include <asm/x86_init.h>
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index 9cdd33c..6fce378 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -51,6 +51,7 @@
 #include <asm/tlbflush.h>
 #include <asm/irq.h>
 #include <asm/traps.h>
+#include <asm/vm86.h>
 
 /*
  * Known problems:
diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c
index 6ef5e99..a2eefb1 100644
--- a/arch/x86/math-emu/get_address.c
+++ b/arch/x86/math-emu/get_address.c
@@ -21,6 +21,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/desc.h>
+#include <asm/vm86.h>
 
 #include "fpu_system.h"
 #include "exception.h"
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 5196ac4..cf576f5 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -21,6 +21,7 @@
 #include <asm/kmemcheck.h>		/* kmemcheck_*(), ...		*/
 #include <asm/fixmap.h>			/* VSYSCALL_ADDR		*/
 #include <asm/vsyscall.h>		/* emulate_vsyscall		*/
+#include <asm/vm86.h>			/* struct vm86			*/
 
 #define CREATE_TRACE_POINTS
 #include <asm/trace/exceptions.h>
-- 
2.4.3

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