Re: [Xen-devel] [PATCH 0 of 5] PV on HVM Xen

[Sheng Yang <sheng@xxxxxxxxxxxxxxx>]

On Wednesday 17 March 2010 23:17:08 Stefano Stabellini wrote:
> On Wed, 17 Mar 2010, Sheng Yang wrote:
> > Seem not get enough update...
> >
> > OK, a new flag, adjustment in Xen. Right?
> 
> Yes, a new flag to signal the presence of a reliable clocksource on HVM;
> adjustments in Xen to make it work (keep in mind that my patch fix the
> problem only when tsc_mode==2 and we need to support tsc_mode==1 too).
> 
> On the other hand we agreed that we don't need XEN_HVM_PV_EVTCHN_ENABLED
> and CONFIG_XEN_HVM_PV anymore.

No XEN_HVM_PV_EVTCHN_ENABLED? So you have to enable HVM with evtchn support? I 
am not quite understand...

-- 
regards
Yang, Sheng


> We probably don't need XEN_HVM_PV too for the moment, we might introduce
> it in the future when we actually add code that doesn't work on 32 bit.
> 
> Finally I would still like the call to xen_guest_init to be moved
> afterwards: if we move it after kvm_guest_init we can be pretty sure
> that upstream is going to accept it. Besides ACPI is currently working
> with your patch series applied, when and if we break ACPI we'll worry
> about it.
> 
> Jeremy, Ian, does this seem reasonable to you? The last point in
> particular?  If you are sure that upstream will accept a hook in setup.c
> anyway I am ready to drop this.

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