Re: [Xen-devel] [PATCH] arch/x86/hvm: Bind xen-created event channels to building domain

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 09.01.13 at 09:51, Keir Fraser <keir@xxxxxxx> wrote:
> On 03/01/2013 18:28, "Daniel De Graaf" <dgdegra@xxxxxxxxxxxxx> wrote:
> 
>> Instead of using a hardcoded domain 0 as the endpoint for the event
>> channels created in hvm_vcpu_initialise, use the domain ID of the
>> building domain so that a domain builder in a domain other than dom0 has
>> the expected access to the event channels.
> 
> This should be done by setting HVM_PARAM_DM_DOMAIN appropriately after the
> guest is created. As it is, HVM_PARAM_DM_DOMAIN can be out of sync with the
> event-channel bindings after this patch.
> 
> I see this patch is already applied, and I propose to revert it. Is that
> okay with you, Jan?

Sure. Am I right in understanding that this, apart from a possible
tools side change to set the parameter earlier, then means to use
v->domain->arch.hvm_domain.params[HVM_PARAM_DM_DOMAIN]
instead in the two places that Daniel's patch changed? If so rather
than reverting, we could as well adjust it to that right away...

Looks like I didn't wait long enough for feedback on the
(apparently trivial) patch here...

Jan


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