Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: Device hang when offlining a CPU due to IRQ misrouting | Date | Fri, 01 Jun 2007 18:18:32 -0600 |
| |
> As a side note, on my very old SMP machine, 2.6.20 correctly > load-balance IRQs across CPU but 2.6.21 not. I know that > in-kernel IRQ load balancer is marked as deprecated and > somewhat broken, but with your report it make me think it > could be a bug in the IRQ rerouting part in my case too and > not necessary in the load-balancer (decision) part.
I doubt it. The practical problem is that cpu_down does not and by design can not call the irq balancing part properly and I haven't yet seen anything to suggest that we don't migrate irq properly.
So I'm guessing it was the decision part.
Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |