> When CPU is waiting on some new data, he cannot preform any other > operation, and freezes data manipultion; that's why I'm looking for a new > way to in/output the soft... You may want to look at select(2) and poll(2). Those allow you to check whether input is available on a given file descriptor without having to block if it isn't.
> I've found out in syscall.master the aio_read/write call. Man page says > operation is asynchronous, so it returns quite immediatly after enqueuing > the io thread. Could that be a solution ? Yes, but it sounds a little like overkill for what you're talking about. > Or back to kernel module (by the way: is it possible to write on in > assembly) ? Yes, absolutely, but it's quite an unusual thing to do. It'd be far more common to write most of the module in C with a few little bits of assembly in really critical parts. Steven.
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