FPU_abort
do { if (copy_from_user(to, from, n)) FPU_abort; } while (0)
#define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
#define FPU_put_user(x,y) do { if (put_user((x),(y))) FPU_abort; } while (0)
FPU_abort;
FPU_abort;
FPU_abort;
FPU_abort;
FPU_abort;