>>>>> "MM" == Matt Mackall <[EMAIL PROTECTED]> writes:
MM> Well there are things we can do, yes, but I'd be worried that MM> they've give up the deterministic behavior we rely on quite MM> heavily for debugging. If event A happens before event B, we must MM> see the message from A before the one from B, even if B happens in MM> irq context. MM> And if event B is a hard lock up, we'd also like to be sure the MM> message for A actually gets out. If B happens in the interrupt MM> that comes in when we re-enable them, that won't happen. I can see the concerns, but right now it all leads to disabling serial console for real-time servers. That is even less helpful for debugging. /Benny - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
