Re: [Xen-devel] [RFC Patch v2 01/16] xen: introduce new hypercall to reset vcpu

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2013-07-11 at 17:58 +0800, Wen Congyang wrote:

> >> +    BUG_ON(!cpumask_empty(d->domain_dirty_cpumask));
> > 
> > This looks bogus.  What guarantee is there (other than the toolstack
> > issuing appropriate hypercalls in an appropriate order) that this is
> > actually true.
> 
> Hmm, these codes are copied from this function:
> domain_relinquish_resources()

That's called under very different circumstances though. Specifically
during domain teardown when the vcpus are necessarily all quiescent.



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