UC_FP_XSTATE 363 arch/x86/ia32/ia32_signal.c put_user_ex(UC_FP_XSTATE, &frame->uc.uc_flags); UC_FP_XSTATE 395 arch/x86/kernel/signal.c put_user_ex(UC_FP_XSTATE, &frame->uc.uc_flags); UC_FP_XSTATE 446 arch/x86/kernel/signal.c flags = UC_FP_XSTATE | UC_SIGCONTEXT_SS;