vfp_preserve_user_clear_hwstate 124 arch/arm/include/asm/thread_info.h extern int vfp_preserve_user_clear_hwstate(struct user_vfp *, vfp_preserve_user_clear_hwstate 144 arch/arm/kernel/signal.c err = vfp_preserve_user_clear_hwstate(&kframe.ufp, &kframe.ufp_exc);