Re: [Xen-devel] [ARM] SMC (and HVC) handling in hypervisor

[Tamas K Lengyel <tamas.k.lengyel@xxxxxxxxx>]

On Thu, Mar 2, 2017 at 10:54 AM, Volodymyr Babchuk
<vlad.babchuk@xxxxxxxxx> wrote:
> Hello,
>
> Thank you all for the discussion. I want to summarize it a bit.
>
> Looks like there are no objections about my initial list of
> requirements. There was born another requirement in the discussion.
> Thanks to Stefano for formulation it:
>
> 10. Domains on which the monitor privileged call feature is enabled
>   (which is by default disabled for all domains) should not be able to
>   issue firmware calls via SMCs/HVCs so that such calls reach the
>   firmware directly. Xen should not bounce such calls to the firmware on
>   behalf of the domain. Xen should not alter the state of the domain
>   automatically (ie. incrementing PC). These calls should be exclusively
>   transfered to the monitor subscriber for further processing.
>   Hypercalls, virtual PSCI calls, virtual CPU services calls and virtual
>   ARM architecture service calls remain unaffected.
>
> Tamas, you have agreed with this, right?

Yes, that would work for me.

Tamas

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