Messages in this thread | | | Date | Thu, 1 Sep 2005 08:49:03 +0200 | From | Ingo Molnar <> | Subject | Re: PREEMPT_RT with e1000 |
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* Daniel Walker <dwalker@mvista.com> wrote:
> It looks like Gigabit Ethernet is still having some problems. This is > with the e1000 driver. If I remove all the qdisc_restart changes it > starts to work the warning below goes away, but it has > smp_processor_id warnings.
hmmm. The thing to watch out for there is dev->xmit_lock_owner - it's a "spin lock does not preempt" assumption that is open-coded. What the qdisc_restart changes do is to remove this assumption. Perhaps it would be enough to just keep the trylock logic, and to mute the xmit_lock_owner logic.
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