#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)
#define __clear_fpu( tsk ) \
extern unsigned short get_fpu_cwd( struct task_struct *tsk );
extern unsigned short get_fpu_swd( struct task_struct *tsk );
extern unsigned short get_fpu_mxcsr( struct task_struct *tsk );
+extern asmlinkage void math_state_restore(void);
/*
* Signal frame handlers...
extern int restore_i387( struct _fpstate __user *buf );
/*
- * ptrace request handers...
+ * ptrace request handlers...
*/
-extern int get_fpregs( struct user_i387_struct __user *buf,
- struct task_struct *tsk );
-extern int set_fpregs( struct task_struct *tsk,
- struct user_i387_struct __user *buf );
-
-extern int get_fpxregs( struct user_fxsr_struct __user *buf,
- struct task_struct *tsk );
-extern int set_fpxregs( struct task_struct *tsk,
- struct user_fxsr_struct __user *buf );
+extern int get_fpregs(struct user_i387_struct *, struct task_struct *);
+extern int set_fpregs(struct task_struct *, const struct user_i387_struct *);
+extern void updated_fpxregs(struct task_struct *tsk);
+
/*
* FPU state for core dumps...