On Tue, 14 Sep 2010 20:44:10 +0100 Alan Cox <a...@lxorguk.ukuu.org.uk> wrote:
> > Yes, hvc_push() reschedules. It doesn't sit in a tight loop burning > > electrons! > > > > Can we do something safer&smarter here? > > > Its a printk handler - better to lose the bytes than hang the box. I > think the current code is probably right. Losing the bytes is unacceptable. Even if an hvc backend erroneously returns zero on a permanent error, the timeout should prevent hanging the box for too long. Though I suspect the right answer for us may be "don't use the hvc layer". -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev