thread32_stack_is_64bit 234 arch/sparc/include/asm/thread_info_64.h ((test_thread_flag(TIF_32BIT) && !thread32_stack_is_64bit(__SP)) ? \ thread32_stack_is_64bit 1830 arch/sparc/kernel/perf_event.c if (thread32_stack_is_64bit(ufp)) {