-#ifdef CONFIG_PPC_BOOK3S_64
-static inline void save_early_sprs(struct thread_struct *prev)
-{
- if (cpu_has_feature(CPU_FTR_ARCH_207S))
- prev->tar = mfspr(SPRN_TAR);
- if (cpu_has_feature(CPU_FTR_DSCR))
- prev->dscr = mfspr(SPRN_DSCR);
-}
-#else
-static inline void save_early_sprs(struct thread_struct *prev) {}
-#endif