x86: math_emu info cleanup

Impact: cleanup

* Come on, struct info?  s/struct info/struct math_emu_info/

* Use struct pt_regs and kernel_vm86_regs instead of defining its own
  register frame structure.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 7 deletions

diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h
index 13488fa153e0..6729c6a31348 100644
--- a/arch/x86/math-emu/fpu_system.h
+++ b/arch/x86/math-emu/fpu_system.h
@@ -18,7 +18,7 @@
 
 /* This sets the pointer FPU_info to point to the argument part
    of the stack frame of math_emulate() */
-#define SETUP_DATA_AREA(arg)    FPU_info = (struct info *) &arg
+#define SETUP_DATA_AREA(arg)    FPU_info = (struct math_emu_info *) &arg
 
 /* s is always from a cpu register, and the cpu does bounds checking
  * during register load --> no further bounds checks needed */
@@ -38,12 +38,12 @@
 #define I387                    (current->thread.xstate)
 #define FPU_info                (I387->soft.info)
 
-#define FPU_CS                  (*(unsigned short *) &(FPU_info->___cs))
-#define FPU_SS                  (*(unsigned short *) &(FPU_info->___ss))
-#define FPU_DS                  (*(unsigned short *) &(FPU_info->___ds))
-#define FPU_EAX                 (FPU_info->___eax)
-#define FPU_EFLAGS              (FPU_info->___eflags)
-#define FPU_EIP                 (FPU_info->___eip)
+#define FPU_CS                  (*(unsigned short *) &(FPU_info->regs.cs))
+#define FPU_SS                  (*(unsigned short *) &(FPU_info->regs.ss))
+#define FPU_DS                  (*(unsigned short *) &(FPU_info->regs.ds))
+#define FPU_EAX                 (FPU_info->regs.ax)
+#define FPU_EFLAGS              (FPU_info->regs.flags)
+#define FPU_EIP                 (FPU_info->regs.ip)
 #define FPU_ORIG_EIP            (FPU_info->___orig_eip)
 
 #define FPU_lookahead           (I387->soft.lookahead)