On 10/30, Jann Horn wrote: > > This is a new per-threadgroup lock that can often be taken instead of > cred_guard_mutex and has less deadlock potential. I'm doing this because > Oleg Nesterov mentioned the potential for deadlocks, in particular if a > debugged task is stuck in execve, trying to get rid of a ptrace-stopped > thread, and the debugger attempts to inspect procfs files of the debugged > task. Yes, but let me repeat that we need to fix this anyway. So I don't really understand why should we add yet another mutex. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html