Re: [Xen-devel] About XSM and svirt.

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

On 07/24/2013 05:35 AM, cooldharma06 wrote:
> Hi all,
>
> xsm policy which is used for controlling the hypercall(communication)
> between vm's.
>
> and i also i find that there is 'svirt' which is used for isolating vm's.
> I want to know that is svirt will work in xen.??  because i find svirt is
> for KVM.
>
> Anybody clear me these things.
>
>
> Regards,
> cooldharma06.
The XSM policy in 4.3 has a type for isolating VMs called isolated_domU_t
which prevents a domain from directly communicating with other domains.
However, indirect communication in Xen can be done using Xenstore, so
a pair of cooperating VMs can still communicate. This may or may not be an
issue for you, depending on what you want from svirt.

--
Daniel De Graaf
National Security Agency

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