Re: [Xen-devel] Interrupt to CPU routing in HVM domains - again

[John Levon <levon@xxxxxxxxxxxxxxxxx>]

On Fri, Sep 05, 2008 at 08:25:15PM +1000, James Harper wrote:

> > > I was just in this code. From what I can tell it's a requirement
> that
> > > all the domU's event channels be bound to VCPU0, since there's no
> code
> > > in Xen itself that will redirect evtchn_pending_sel from another
> VCPU to
> > > CPU0's vcpu_info, and the callback IRQ code assumes VCPU0.
> > 
> > Yes, this is very likely the problem being observed.
> 
> Would I need to do a specific bind_vcpu hypercall to cause an event
> channel to be bound to a vcpu != 0? I'm not doing that.

No, any allocation should default to VCPU0.

regards
john

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