Re: [Xen-devel] Xen interrupts when using passthrough

[Eli Cohen <eli@xxxxxxxxxxxxxxxxxx>]

On Wed, Oct 05, 2011 at 08:27:07AM +0100, Jan Beulich wrote:
> 
> Quite possibly a mixup of Xen and Linux IRQ numbers. You may want
> to check Xen's 'i' and 'e' debug key output for whether this might be
> the case.

Can you tell how this is done - sorry, I'm not a xen expert.

> 
> > My geust kernel is 2.6.32 based
> 
> Upstream (pv-ops), forward-port (most likely SUSE-derived), HVM, or
> yet something else?
> 
> > and I can't see any file with the name
> > event_channel.c.
> 
> That's a hypervisor source file, not a Linux one.
> 

So how do you think interrupts should reach the guest. Is it through
event channels (i.e dom0 receives them first) or do they go directly
to the guest with dom0 unaware that there was an interrupt?

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