> I thought this flag has no effect without TIF_SINGLESTEP, and it is > always updated by enable_single_step(). Right, but to be anal about the semantics you shouldn't clear TF if it's not set, etc. > user_disable_single_step() is very much arch-dependent, I am worried > if it is safe to call it from copy_process(), when the new task_struct, > thread_info, etc are not properly initialized yet... Well, arch people can weigh in about if it is problematical. Skimming over the existing arch definitions, it looks OK to me. Thanks, Roland -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
