Re: [PATCH v6 10/10] arm64: Retrieve stolen time as paravirtualized guest

Marc Zyngier
2019-10-21T07:56:05Z

On 2019-10-21 06:01, Jürgen Groß wrote:
> On 19.10.19 22:28, Marc Zyngier wrote:

>> How about something like pv_time_init() instead? In the guest, this
>> is
>> no way KVM specific, and I still hope for this to work on things
>> like
>> Xen/HyperV/VMware (yeah, I'm foolishly optimistic). All the
>> references
>> to KVM should go, and be replaced by something more generic (after
>> all, you're only implementing the spec, so feel free to call it
>> den0057_* if you really want).
>
> Xen guests already have the needed functionality. On ARM this just
> needs
> to be hooked up.

Yes, Xen offers its own PV interface for that. But this code is about
implementing support for a cross hypervisor functionnality (which
AFAICT
is not implemented by Xen).

M.
--
Jazz is not dead. It just smells funny...