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xen-devel
Re: [Xen-devel] [PATCHl] localtime basis for paravirtualized guests
On 6/21/06, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
On 21 Jun 2006, at 16:49, Keir Fraser wrote:
>> - this is a different mechanism than the one used to set time
>> offsets for fully virtualized guests. At the lowest levels, this is
>> probably difficult to avoid. Higher up, though, it would be nice if
>> this type of capability didn't look/act and be controlled
>> differently. The differences between fully and para virtualized
>> systems should disappear the higher into the control logic you go.
>> Were you able to give any thought on how to merge the models ?
>
> The 'support' for full-virt guests is *only* a qemu patch right now.
> No tools integration at all. Integration would have to be in xend, as
> it is xend which kicks off the qemu-dm process for HVM guests. Setting
> the 'timeoffset' based on the localtime config option wouldn't be very
> hard, and would unify that new option across PV and HVM guests.
> Patches welcome (and moving the logic to work out what the time offset
> should be from xc.c into xend itself would be nice).
Also, RTC emulation really belongs in Xen anyway, so it'll be possible
to unify at the dom0_op level at that point.
-- Keir
Yes; I agree. That would be reasonable.
-b
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