Re: [Xen-devel] Request for input: Extended event channel support

[Anil Madhavapeddy <anil@xxxxxxxxxx>]

On 28 Mar 2013, at 12:51, Felipe Franciosi <felipe.franciosi@xxxxxxxxxx> wrote:

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxx] On Behalf Of Anil Madhavapeddy
> Sent: 27 March 2013 19:37
> To: George Dunlap
> Cc: xen-users@xxxxxxxxxxxxx; cl-mirage@xxxxxxxxxxxxxxx List; 
> xen-devel@xxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Request for input: Extended event channel support
> 
> 
>> If I'm not mistaken, every guest needs at least 2 event channels (console, 
>> xenstore) and probably has two more for a net and disk device.
> 
> Presumably for vCPUs as well IINM?

Yes, except that in Mirage's case we're single vCPU only, and use multiple VMs 
to act as parallel processes with explicit message passing.

But we would still need an event channel for the vchan shared ring, in this 
case too...

-anil


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