restore_fpu_state
err |= restore_fpu_state(sc);
if (restore_fpu_state(&context))
err |= restore_fpu_state(regs, compat_ptr(fpu_save));
err |= restore_fpu_state(regs, compat_ptr(fpu_save));
err |= restore_fpu_state(regs, fpu_save);
err |= restore_fpu_state(regs, fpu_save);
err |= restore_fpu_state(regs, fpu_save);
int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);