> > tty_insert_flip_string() returns number of bytes it has actually
> > inserted, but I don't believe one can do much if it returns less than
> > has been requested as it means that we are out of kernel memory.
>
> Yes. I've been wondering if we should log the failure case somewhere,
> either as a tty-> object or printk.
printk gets... interesting if you use serial console ;)
both locking and buffer space wise
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