Re: [Xen-devel] Inter-domain event channel question

[Ruslan Nikolaev <nruslan_devel@xxxxxxxxx>]

Thanks!

Also, if I pass some parameters in shared buffer (a shared page between 
domains), is it required to use a memory barrier before 
'notify_remote_via_evtchn'?

Ruslan



----- Original Message -----
From: Jan Beulich <JBeulich@xxxxxxxx>
To: Ruslan Nikolaev <nruslan_devel@xxxxxxxxx>
Cc: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
Sent: Friday, May 4, 2012 3:28 AM
Subject: Re: [Xen-devel] Inter-domain event channel question

>>> On 03.05.12 at 20:46, Ruslan Nikolaev <nruslan_devel@xxxxxxxxx> wrote:
> I want to set up an inter-domain event channel, and I want to receive 
> interrupts in both directions (i.e. Dom1 can independently send an interrupt 
> to Dom2 or vice versa).Do I need to have just 2 ports: one is on Dom 1 and 
> the other one on Dom 2, and on each domain I simply bind it to the 
> corresponding interrupt handler? Or do I need to have 4 ports: one pair is 
> used for Dom2-to-Dom1 interrupts and the other pair for Dom1-to-Dom2 
> interrupts?

One port on each end should suffice.

Jan


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