1 files changed, 18 insertions, 0 deletions

diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h
index af93ff04c53f..1f310783757e 100644
--- a/include/asm-ppc/system.h
+++ b/include/asm-ppc/system.h
@@ -74,6 +74,7 @@ extern void read_rtc_time(void);
 extern void pmac_find_display(void);
 extern void giveup_fpu(struct task_struct *);
 extern void enable_kernel_fp(void);
+extern void flush_fp_to_thread(struct task_struct *);
 extern void enable_kernel_altivec(void);
 extern void giveup_altivec(struct task_struct *);
 extern void load_up_altivec(struct task_struct *);
@@ -83,6 +84,23 @@ extern void load_up_spe(struct task_struct *);
 extern int fix_alignment(struct pt_regs *);
 extern void cvt_fd(float *from, double *to, unsigned long *fpscr);
 extern void cvt_df(double *from, float *to, unsigned long *fpscr);
+
+#ifdef CONFIG_ALTIVEC
+extern void flush_altivec_to_thread(struct task_struct *);
+#else
+static inline void flush_altivec_to_thread(struct task_struct *t)
+{
+}
+#endif
+
+#ifdef CONFIG_SPE
+extern void flush_spe_to_thread(struct task_struct *);
+#else
+static inline void flush_spe_to_thread(struct task_struct *t)
+{
+}
+#endif
+
 extern int call_rtas(const char *, int, int, unsigned long *, ...);
 extern void cacheable_memzero(void *p, unsigned int nb);
 extern void *cacheable_memcpy(void *, const void *, unsigned int);