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xen-devel
Re: [Xen-devel] scheduler independent forced vcpu selection
* Stephan Diestelhorst <sd386@xxxxxxxxxxxx> [2005-05-18 09:04]:
> Are you calling do_softirq directly? If not then it is quite strange,
No, I just call raise_softirq(SCHEDULE_SOFTIRQ); without a subsequent
do_softirq().
> that this assertion fails.
> The timer assertion might be the old scheduling timer, which gets
> probably reset, but not deleted beforehand... And the on runqueue
> assertion suggests that you are 'stealing' the domain from the
> schedulers queues without giving it a chance to notice.
Could you explain what 'giving it a chance to notice' means?
> I'd guess cloning do_block and appending code from __enter_scheduler
> with some checks (is the 'receiver' domain runnable? if not run proper
> sched.do_schedule) should give you a solid base to start from.
Let me add in a check for domain_runnable and see if that helps.
Thanks for the feedback. Let me know if you want me to post the patch
of where I'm at right now.
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253 T/L: 678-9253
ryanh@xxxxxxxxxx
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