2 files changed, 24 insertions, 18 deletions

diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index 1cd61ddd90be..b295ebf0cb3f 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -452,18 +452,12 @@ static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr)
  * the correct behaviour even in the presence of the asynchronous
  * IRQ13 behaviour
  */
-asmlinkage void do_coprocessor_error(struct pt_regs *regs)
+void math_error(void __user *ip)
 {
-        void __user *ip = (void __user *)(regs->ip);
         struct task_struct *task;
         siginfo_t info;
         unsigned short cwd, swd;
 
-        conditional_sti(regs);
-        if (!user_mode(regs) &&
-            kernel_math_error(regs, "kernel x87 math error", 16))
-                return;
-
         /*
          * Save the info for the exception handler and clear the error.
          */
@@ -516,23 +510,26 @@ asmlinkage void do_coprocessor_error(struct pt_regs *regs)
         force_sig_info(SIGFPE, &info, task);
 }
 
+asmlinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)
+{
+        conditional_sti(regs);
+        if (!user_mode(regs) &&
+            kernel_math_error(regs, "kernel x87 math error", 16))
+                return;
+        math_error((void __user *)regs->ip);
+}
+
 asmlinkage void bad_intr(void)
 {
         printk("bad interrupt");
 }
 
-asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs)
+static void simd_math_error(void __user *ip)
 {
-        void __user *ip = (void __user *)(regs->ip);
         struct task_struct *task;
         siginfo_t info;
         unsigned short mxcsr;
 
-        conditional_sti(regs);
-        if (!user_mode(regs) &&
-                        kernel_math_error(regs, "kernel simd math error", 19))
-                return;
-
         /*
          * Save the info for the exception handler and clear the error.
          */
@@ -575,7 +572,16 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs)
         force_sig_info(SIGFPE, &info, task);
 }
 
-asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs)
+asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
+{
+        conditional_sti(regs);
+        if (!user_mode(regs) &&
+                        kernel_math_error(regs, "kernel simd math error", 19))
+                return;
+        simd_math_error((void __user *)regs->ip);
+}
+
+asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code)
 {
 }
 
diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h
index 7a692baa51ae..c82c39c7b5ea 100644
--- a/include/asm-x86/traps.h
+++ b/include/asm-x86/traps.h
@@ -72,9 +72,9 @@ asmlinkage void double_fault(void);
 asmlinkage void do_int3(struct pt_regs *, long);
 asmlinkage void do_stack_segment(struct pt_regs *, long);
 asmlinkage void do_debug(struct pt_regs *, unsigned long);
-asmlinkage void do_coprocessor_error(struct pt_regs *);
-asmlinkage void do_simd_coprocessor_error(struct pt_regs *);
-asmlinkage void do_spurious_interrupt_bug(struct pt_regs *);
+asmlinkage void do_coprocessor_error(struct pt_regs *, long);
+asmlinkage void do_simd_coprocessor_error(struct pt_regs *, long);
+asmlinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
 
 asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code);