1 files changed, 4 insertions, 1 deletions

diff --git a/include/asm-x86_64/i387.h b/include/asm-x86_64/i387.h
index cba8a3b0cded..60c0f4853fdb 100644
--- a/include/asm-x86_64/i387.h
+++ b/include/asm-x86_64/i387.h
@@ -24,6 +24,7 @@ extern unsigned int mxcsr_feature_mask;
 extern void mxcsr_feature_mask_init(void);
 extern void init_fpu(struct task_struct *child);
 extern int save_i387(struct _fpstate __user *buf);
+extern asmlinkage void math_state_restore(void);
 
 /*
  * FPU lazy state save handling...
@@ -31,7 +32,9 @@ extern int save_i387(struct _fpstate __user *buf);
 
 #define unlazy_fpu(tsk) do { \
         if (task_thread_info(tsk)->status & TS_USEDFPU) \
-                save_init_fpu(tsk); \
+                save_init_fpu(tsk);                     \
+        else                                            \
+                tsk->fpu_counter = 0;                   \
 } while (0)
 
 /* Ignore delayed exceptions from user space */